304-20-1 structure, C8H9ClN4

hydralazine hydrochloride

CAS No.

304-20-1

Formula:

C8H9ClN4

Basic Info

Hydralazine is a non-nucleoside analog that inhibits DNA methylation and reactivates the expression of tumor suppressor genes. Non-selective MAO-A/B inhibitor; semicarbazide-sensitive amine oxidase inhibitor. Antihypertensive.

Formula
C8H9ClN4
Molecular Weight
196.637
Exact Mass
196.052
LogP
1.724
PSA
63.1
Synonyms

nor-press25

Hydralazine hydrochloride

phthalazin-1-ylhydrazine hydrochloride

Hyperazin

Hydrapress

Asozart

Pressfall

1-Hydrazinophthalazine Hydrochloride

1-Hydrazinylphthalazine hydrochloride

1-hydrazinyl-Phthalazine hydrochloride

aiselazine

Apulon

hydralazine HCl

Lopres

apresine

Dralzine

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Properties

Appearance & Physical State
White Crystalline Solid
Boiling Point
491.9ºC at 760 mmHg
Melting Point
273ºC
Flash Point
251.3ºC
Stability
Stable. Incompatible with strong oxidizing agents.

Safety Info

RTECS
TH9000000
Safety Statements
S26-S36/37/39-S45
WGK Germany
3
Risk Statements
R22; R36/37/38
HS Code
2942000000
RIDADR
UN 2811 6.1/PG 3
Hazard Class
6.1
Packing Group
III
Caution Statement
P261; P301 + P310; P305 + P351 + P338
Hazard Codes
Hazard Declaration

MSDS

SDS 1.0
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SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name hydralazine hydrochloride

1.2 Other means of identification

Product number -
Other names hydralazine HCl

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

Company MOLBASE (Shanghai) Biotechnology Co., Ltd.
Address Floor 4 & 5, Building 12, No. 1001 North Qinzhou Road,
Xuhui District, Shanghai, China
Telephone +86(21)64956998
Fax +86(21)54365166

1.5 Emergency phone number

Emergency phone number +86-400-6021-666
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

2.Hazard identification

2.1 Classification of the substance or mixture

Acute toxicity - Oral, Category 3

Skin irritation, Category 2

Eye irritation, Category 2

Specific target organ toxicity – single exposure, Category 3

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Danger

Hazard statement(s)

H301 Toxic if swallowed

H315 Causes skin irritation

H319 Causes serious eye irritation

H335 May cause respiratory irritation

Precautionary statement(s)
Prevention

P264 Wash ... thoroughly after handling.

P270 Do not eat, drink or smoke when using this product.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P271 Use only outdoors or in a well-ventilated area.

Response

P301+P310 IF SWALLOWED: Immediately call a POISON CENTER/doctor/…

P321 Specific treatment (see ... on this label).

P330 Rinse mouth.

P302+P352 IF ON SKIN: Wash with plenty of water/...

P332+P313 If skin irritation occurs: Get medical advice/attention.

P362+P364 Take off contaminated clothing and wash it before reuse.

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P337+P313 If eye irritation persists: Get medical advice/attention.

P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

P312 Call a POISON CENTER/doctor/…if you feel unwell.

Storage

P405 Store locked up.

P403+P233 Store in a well-ventilated place. Keep container tightly closed.

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

3.Composition/information on ingredients

3.1 Substances

Chemical name Common names and synonyms CAS number EC number Concentration
hydralazine hydrochloride hydralazine hydrochloride 304-20-1 none 100%

4.First-aid measures

4.1 Description of necessary first-aid measures

General advice

Consult a physician. Show this safety data sheet to the doctor in attendance.

If inhaled

If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.

In case of skin contact

Wash off with soap and plenty of water. Consult a physician.

In case of eye contact

Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

If swallowed

Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

4.2 Most important symptoms/effects, acute and delayed

no data available

4.3 Indication of immediate medical attention and special treatment needed, if necessary

Decontamination: Prehospital: Administer activated charcoal if available. Do not induce vomiting, because of the risk of hypotension and syncope. Hospital: Administer activated charcoal. Gastric emptying is not necessary if activated charcoal can be given promptly. /Vasodilators/

5.Fire-fighting measures

5.1 Extinguishing media

Suitable extinguishing media

Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.

5.2 Specific hazards arising from the chemical

no data available

5.3 Special protective actions for fire-fighters

Wear self-contained breathing apparatus for firefighting if necessary.

6.Accidental release measures

6.1 Personal precautions, protective equipment and emergency procedures

Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8.

6.2 Environmental precautions

Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.

6.3 Methods and materials for containment and cleaning up

Pick up and arrange disposal. Sweep up and shovel. Keep in suitable, closed containers for disposal.

7.Handling and storage

7.1 Precautions for safe handling

Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2.

7.2 Conditions for safe storage, including any incompatibilities

Commercially available preparation of hydralazine hydrochloride should be stored at a temperature less than 40°C, preferably at 15 to 30°C; freezing of the injection should be avoided. Hydralazine hydrochloride tablets should be stored in tight, light-resistant containers.

8.Exposure controls/personal protection

8.1 Control parameters

Occupational Exposure limit values

no data available

Biological limit values

no data available

8.2 Appropriate engineering controls

Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.

8.3 Individual protection measures, such as personal protective equipment (PPE)

Eye/face protection

Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).

Skin protection

Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.

Respiratory protection

Wear dust mask when handling large quantities.

Thermal hazards

no data available

9.Physical and chemical properties

Physical state White Crystalline Solid
Colour Yellow crystals
Odour Odorless
Melting point/ freezing point 273°C(dec.)(lit.)
Boiling point or initial boiling point and boiling range 150°C(lit.)
Flammability no data available
Lower and upper explosion limit / flammability limit no data available
Flash point 46°C(lit.)
Auto-ignition temperature no data available
Decomposition temperature no data available
pH pH= 3.5 to 4.5 (2% solution)
Kinematic viscosity no data available
Solubility Very slightly soluble in ether and alcohol
Partition coefficient n-octanol/water (log value) no data available
Vapour pressure no data available
Density and/or relative density no data available
Relative vapour density no data available
Particle characteristics no data available

10.Stability and reactivity

10.1 Reactivity

no data available

10.2 Chemical stability

Stable under recommended storage conditions.

10.3 Possibility of hazardous reactions

no data available

10.4 Conditions to avoid

no data available

10.5 Incompatible materials

no data available

10.6 Hazardous decomposition products

no data available

11.Toxicological information

Acute toxicity

  • Oral: LD50 Rat oral 187 mg/kg (male)
  • Inhalation: no data available
  • Dermal: no data available

Skin corrosion/irritation

no data available

Serious eye damage/irritation

no data available

Respiratory or skin sensitization

no data available

Germ cell mutagenicity

no data available

Carcinogenicity

Inadequate evidence of carcinogenicity in humans. Limited evidence of carcinogenicity in animals. OVERALL EVALUATION: Group 3: The agent is not classifiable as to its carcinogenicity to humans.

Reproductive toxicity

no data available

STOT-single exposure

no data available

STOT-repeated exposure

no data available

Aspiration hazard

no data available

12.Ecological information

12.1 Toxicity

  • Toxicity to fish: no data available
  • Toxicity to daphnia and other aquatic invertebrates: no data available
  • Toxicity to algae: no data available
  • Toxicity to microorganisms: no data available

12.2 Persistence and degradability

no data available

12.3 Bioaccumulative potential

no data available

12.4 Mobility in soil

no data available

12.5 Other adverse effects

no data available

13.Disposal considerations

13.1 Disposal methods

Product

The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.

Contaminated packaging

Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.

14.Transport information

14.1 UN Number

ADR/RID: UN2811 IMDG: UN2811 IATA: UN2811

14.2 UN Proper Shipping Name

ADR/RID: TOXIC SOLID, ORGANIC, N.O.S.
IMDG: TOXIC SOLID, ORGANIC, N.O.S.
IATA: TOXIC SOLID, ORGANIC, N.O.S.

14.3 Transport hazard class(es)

ADR/RID: 6.1 IMDG: 6.1 IATA: 6.1

14.4 Packing group, if applicable

ADR/RID: III IMDG: III IATA: III

14.5 Environmental hazards

ADR/RID: no IMDG: no IATA: no

14.6 Special precautions for user

no data available

14.7 Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code

no data available

15.Regulatory information

15.1 Safety, health and environmental regulations specific for the product in question

Chemical name Common names and synonyms CAS number EC number
hydralazine hydrochloride hydralazine hydrochloride 304-20-1 none
European Inventory of Existing Commercial Chemical Substances (EINECS) Listed.
EC Inventory Listed.
United States Toxic Substances Control Act (TSCA) Inventory Listed.
China Catalog of Hazardous chemicals 2015 Not Listed.
New Zealand Inventory of Chemicals (NZIoC) Not Listed.
Philippines Inventory of Chemicals and Chemical Substances (PICCS) Not Listed.
Vietnam National Chemical Inventory Not Listed.
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) Not Listed.

16.Other information

Information on revision

Creation Date Aug 11, 2017
Revision Date Aug 11, 2017

Abbreviations and acronyms

  • CAS: Chemical Abstracts Service
  • ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
  • RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
  • IMDG: International Maritime Dangerous Goods
  • IATA: International Air Transportation Association
  • TWA: Time Weighted Average
  • STEL: Short term exposure limit
  • LC50: Lethal Concentration 50%
  • LD50: Lethal Dose 50%
  • EC50: Effective Concentration 50%

References

  • IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
  • HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
  • IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
  • eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
  • CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
  • ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
  • ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
  • Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
  • ECHA - European Chemicals Agency, website: https://echa.europa.eu/

Disclaimer: The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. We as supplier shall not be held liable for any damage resulting from handling or from contact with the above product.
MSDS
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Section 1. Chemical Product and Company Identification
    Hydralazine HCl
    Common Name/
    Trade Name
    Hydralazine HCl

Section 4. First Aid Measures
    Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least
    Eye Contact
    15 minutes. Get medical attention if irritation occurs.
    Wash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation develops.
    Skin Contact
    Serious Skin Contact        Not available.    
    Inhalation        If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get    
    medical attention.
    Evacuate the victim to a safe area as soon as possible. Loosen tight clothing such as a collar, tie, belt or waistband.
    Serious Inhalation
    If breathing is difficult, administer oxygen. If the victim is not breathing, perform mouth-to-mouth resuscitation. Seek
    medical attention.
    Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an
    Ingestion
    unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight
    clothing such as a collar, tie, belt or waistband.
    Not available.
    Serious Ingestion

Section 5. Fire and Explosion Data
    Flammability of the Product May be combustible at high temperature.
    Auto-Ignition Temperature Not available.
    Not available.
    Flash Points
    Not available.
    Flammable Limits
    These products are carbon oxides (CO, CO2), nitrogen oxides (NO, NO2...).
    Products of Combustion
    Fire Hazards in Presence of Not available.
    Various Substances
    Risks of explosion of the product in presence of mechanical impact: Not available.
    Explosion Hazards in
    Risks of explosion of the product in presence of static discharge: Not available.
    Presence of Various
    Substances
    Explosive.
    Fire Fighting Media
    Do not fight fire. Evacuate surrounding areas.
    and Instructions
    Material in powder form, capable of creating a dust explosion. As with most organic solids, fire is possible at elevated
    Special Remarks on
    temperatures
    Fire Hazards
    Fine dust dispersed in air in sufficient concentrations, and in the presence of an ignition source is a potential dust
    Special Remarks on
    explosion hazard.
    Explosion Hazards

Section 6. Accidental Release Measures
    Use appropriate tools to put the spilled solid in a convenient waste disposal container.
    Small Spill
    Explosive. Explosive, class 1.4.
    Large Spill
    Stop leak if without risk. Do not touch damaged container or spilled material. Do not clean-up or dispose except
    under supervision of a specialist. Do not operate radio transmitters within 100 m of an electric detonator. Eliminate
    all ignition sources.
    Hydralazine HCl

Section 7. Handling and Storage
    Keep away from heat. Keep away from sources of ignition. Ground all equipment containing material. Do not
    Precautions
    ingest. Do not breathe dust. Wear suitable protective clothing. If ingested, seek medical advice immediately and
    show the container or the label.
    Store in a segregated, approved and labeled area. Keep container in a cool, well-ventilated area. Keep container
    Storage
    tightly closed and sealed until ready for use. Avoid all possible sources of ignition (spark or flame).

Section 8. Exposure Controls/Personal Protection
    Use explosion-proof electrical (ventilating, lighting and material handling) equipment. Use process enclosures, local
    Engineering Controls
    exhaust ventilation, or other engineering controls to keep airborne levels below recommended exposure limits. If user
    operations generate dust, fume or mist, use ventilation to keep exposure to airborne contaminants below the exposure
    limit.
    Safety glasses. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Gloves.
    Personal Protection
    Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this product.
    Personal Protection in Case Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be used to
    of a Large Spill        avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist BEFORE    
    handling this product.
    Not available.
    Exposure Limits

Section 9. Physical and Chemical Properties
    Solid. (Powdered solid. Crystalline powder.)        Odorless.    
    Physical state and        O dor    
    appearance
    Not available.
    Taste
    196.64 g/mole
    Molecular Weight
    White. White to yellowish.
    Color
    Not available.
    pH (1% soln/water)
    Not available.
    Boiling Point
    Decomposition temperature: 273°C (523.4°F)
    Melting Point
    Not available.
    Critical Temperature
    Not available.
    Specific Gravity
    Not applicable.
    Vapor Pressure
    Not available.
    Vapor Density
    Not available.
    Volatility
    Not available.
    Odor Threshold
    Not available.
    Water/Oil Dist. Coeff.
    Not available.
    Ionicity (in Water)
    Not available.
    Dispersion Properties
    Soluble in cold water.
    Solubility
    Very slightly soluble in diethyl ether.
    Very slightly soluble in alcohol.
    Solubility in Water: 44.2 g/L @ 25 deg. C.; 30.1 g/L at 15 deg. C.
    Hydralazine HCl

Section 10. Stability and Reactivity Data
    The product is stable.
    Stability
    Not available.
    Instability Temperature
    Conditions of Instability Not available.
    Incompatibility with various Not available.
    substances
    Non-corrosive in presence of glass.
    Corrosivity
    Not available.
    Special Remarks on
    Reactivity
    Not available.
    Special Remarks on
    Corrosivity
    Will not occur.
    Polymerization

Section 11. Toxicological Information
    Inhalation. Ingestion.
    Routes of Entry
    Acute oral toxicity (LD50): 188 mg/kg [Mouse].
    Toxicity to Animals
    Chronic Effects on Humans CARCINOGENIC EFFECTS: 3 (Not classifiable for human.) by IARC.
    MUTAGENIC EFFECTS: Mutagenic for bacteria and/or yeast.
    May cause damage to the following organs: cardiovascular system.
    Other Toxic Effects on        Hazardous in case of ingestion.    
    Slightly hazardous in case of skin contact (irritant), of inhalation.
    Humans
    Not available.
    Special Remarks on
    Toxicity to Animals
    May cause adverse reproductive effects and birth defects (teratogenic) based on animal test data.
    Special Remarks on
    Chronic Effects on Humans May cause cancer based on animal test data.
    May affect genetic material (mutagenic)
    Acute Potential Health Effects:
    Special Remarks on other
    Skin: May cause skin irritation.
    Toxic Effects on Humans
    Eyes: May cause eye irritation.
    Inhalation: May cause respiratory tract irritation.
    Ingestion: Harmful if swallowed. Causes skin flushing. Affects the cardiovascular system (hypotension, vasodilation,
    tachycardia). Can cause headache and may affect behavior (convulsions, excitement), respiration (respiratory
    stimulation).
    Chronic Potential Health Effects:
    Ingestion: Prolonged or repeated ingestion may affect the endrocine system (hyperglycemia), blood (changes in
    serum composition), metabolism as well the cardiovascular system.

Section 12. Ecological Information
    Not available.
    Ecotoxicity
    Not available.
    BOD5 and COD
    Products of Biodegradation Possibly hazardous short term degradation products are not likely. However, long term degradation products may
    arise.
    The products of degradation are less toxic than the product itself.
    Toxicity of the Products
    of Biodegradation
    Not available.
    Special Remarks on the
    Products of Biodegradation
    Hydralazine HCl

Section 13. Disposal Considerations
    Waste must be disposed of in accordance with federal, state and local environmental control
    Waste Disposal
    regulations.

Section 14. Transport Information
    CLASS 6.1: Poisonous material.
    DO T Cl assi fi cati on
    UNNA: 2811 : Toxic solid, organic, n.o.s.(Hydralazine Hydrochloride) PG: III
    Identification
    Not available.
    Special Provisions for
    Transport
    DO T (Pi ctograms)

Section 15. Other Regulatory Information and Pictograms
    TSCA 8(b) inventory: Hydralazine HCl
    Federal and State
    Regulations
    California prop. 65: This product contains the following ingredients for which the State of California has found to
    California
    cause cancer which would require a warning under the statute: No products were found.
    Proposition 65
    Warnings
    California prop. 65: This product contains the following ingredients for which the State of California has found to
    cause birth defects which would require a warning under the statute: No products were found.
    Other Regulations        OSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200).    
    EINECS: This product is on the European Inventory of Existing Commercial Chemical Substances (EINECS No.
    206-151-0).
    Canada: Listed on Canadian Non-Domestic Substance List (NDSL).
    China: Not listed on National Inventory.
    Japan: Not listed on National Inventory (ENCS).
    Korea: Not listed on National Inventory (KECI).
    Philippines: Not listed on National Inventory (PICCS).
    Australia: Listed on AICS.
    WHMIS (Canada) CLASS D-1B: Material causing immediate and serious toxic effects (TOXIC).
    Other Classifications
    DSCL (EEC)        R22- Harmful if swallowed.        S46- If swallowed, seek medical advice    
    immediately and show this container or label.
    Health Hazard
    HMIS (U.S.A.)        2 National Fire Protection    
    1 Flammability
    1 Association (U.S.A.)
    Fire Hazard
    2 0 Reactivity
    Health
    Reactivity
    0
    Specific hazard
    Personal Protection
    x
    WHMIS (Canada)
    (Pictograms)
    DSCL (Europe)
    (Pictograms)
    Hydralazine HCl
    TDG(Canada)
    (Pictograms)
    ADR (Europe)
    (Pictograms)
    Protective Equipment
    Gloves.
    Lab coat.
    Dust respirator. Be sure to use an
    approved/certified respirator or equivalent.
    Wear appropriate respirator when ventilation
    is inadequate.


SECTION 16 - ADDITIONAL INFORMATION
N/A

Spectrum

NMR Spectrum 1H NMR : Predict
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Synthesis Route

1.Synthesis Route

Precursor

Related Compound Information