495-07-8 structure, C7H5ClF2

2,5-Difluorobenzyl Chloride

CAS No.

495-07-8

Formula:

C7H5ClF2

Basic Info

Formula
C7H5ClF2
Molecular Weight
162.564
Exact Mass
162.005
LogP
2.7036
PSA
0
Synonyms

2-(chloromethyl)-1,4-difluorobenzene

2,5-Difluorobenzyl chloride

α-Chloro-2,5-difluorotoluene

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Properties

Appearance & Physical State
Clear colorless liquid
Density
1.294g/cm3
Boiling Point
173.5ºC at 760mmHg
Flash Point
61.3ºC
Refractive Index
1.485
Vapor Pressure
1.69mmHg at 25°C

Safety Info

Safety Statements
45-36/37/39-26
Risk Statements
R34
HS Code
2903999090
RIDADR
UN1760
Hazard Class
8
Packing Group
III
Hazard Codes

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 2,5-Difluorobenzyl Chloride

1.2 Other means of identification

Product number -
Other names 2-(Chloromethyl)-1,4-difluorobenzene

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

Corrosive to metals, Category 1

Skin corrosion, Category 1B

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Danger

Hazard statement(s)

H290 May be corrosive to metals

H314 Causes severe skin burns and eye damage

Precautionary statement(s)
Prevention

P234 Keep only in original packaging.

P260 Do not breathe dust/fume/gas/mist/vapours/spray.

P264 Wash ... thoroughly after handling.

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

Response

P390 Absorb spillage to prevent material damage.

P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water [or shower].

P363 Wash contaminated clothing before reuse.

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

P310 Immediately call a POISON CENTER/doctor/…

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

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

Storage

P406 Store in a corrosion resistant/...container with a resistant inner liner.

P405 Store locked up.

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
2,5-Difluorobenzyl Chloride 2,5-Difluorobenzyl Chloride 495-07-8 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

no data available

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

Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

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 Clear colorless liquid
Colour no data available
Odour no data available
Melting point/ freezing point 4°C(lit.)
Boiling point or initial boiling point and boiling range 74°C/20mmHg(lit.)
Flammability no data available
Lower and upper explosion limit / flammability limit no data available
Flash point 24°C(lit.)
Auto-ignition temperature no data available
Decomposition temperature no data available
pH no data available
Kinematic viscosity no data available
Solubility no data available
Partition coefficient n-octanol/water (log value) no data available
Vapour pressure 1.69mmHg at 25°C
Density and/or relative density 1.294g/cm3
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: no data available
  • 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

no data available

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: UN3265 IMDG: UN3265 IATA: UN3265

14.2 UN Proper Shipping Name

ADR/RID: CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.
IMDG: CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.
IATA: CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.

14.3 Transport hazard class(es)

ADR/RID: 8 IMDG: 8 IATA: 8

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
2,5-Difluorobenzyl Chloride 2,5-Difluorobenzyl Chloride 495-07-8 none
European Inventory of Existing Commercial Chemical Substances (EINECS) Not Listed.
EC Inventory Not Listed.
United States Toxic Substances Control Act (TSCA) Inventory Not 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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  2,5-Difluorobenzyl Chloride
  SAFETY DATA SHEET

Section 1. IDENTIFICATION
    2,5-Difluorobenzyl Chloride
  Product name:

Section 2. HAZARDS IDENTIFICATION
  GHS classification
  PHYSICAL HAZARDS
    Category 4
  Flammable liquids
    Category 1
  Corrosive to metals
  HEALTH HAZARDS
    Category 1C
  Skin corrosion/irritation
    Category 1
  Serious eye damage/eye irritation
    Not classified
  ENVIRONMENTAL HAZARDS
  GHS label elements, including precautionary statements
  Pictograms or hazard symbols
    Danger
  Signal word
    Combustible liquid
  Hazard statements
    May be corrosive to metals
    Causes severe skin burns and eye damage
  Precautionary statements:
    Keep away from flames and hot surfaces.
  [Prevention]
    Keep only in original container.
    Do not breathe dust/fume/gas/mist/vapours/spray.
    Wash hands thoroughly after handling.
    Wear protective gloves and eye/face protection.
    IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for
  [Response]
    breathing.
    IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
    IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses,
    if present and easy to do. Continue rinsing.
    IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse
    skin with water/shower.
    Wash contaminated clothing before reuse.
    Immediately call a POISON CENTER or doctor/physician.
    Absorb spillage to prevent material damage.
    Store in a well-ventilated place. Keep cool.
  [Storage]
    Store locked up.
  2,5-Difluorobenzyl Chloride

Section 2. HAZARDS IDENTIFICATION
    Dispose of contents/container through a waste management company authorized by
  [Disposal]
    the local government.

Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
    Substance
  Substance/mixture:
    2,5-Difluorobenzyl Chloride
  Components:
    >98.0%(GC)
  Percent:
    495-07-8
  CAS Number:
    α-Chloro-2,5-difluorotoluene
  Synonyms:
    C7H5ClF2
  Chemical Formula:

Section 4. FIRST AID MEASURES
    Remove victim to fresh air and keep at rest in a position comfortable for breathing.
  Inhalation:
    Immediately call a POISON CENTER or doctor/physician.
    Remove/Take off immediately all contaminated clothing. Gently wash with plenty of
  Skin contact:
    soap and water. Immediately call a POISON CENTER or doctor/physician.
    Rinse cautiously with water for several minutes. Remove contact lenses, if present
  Eye contact:
    and easy to do. Continue rinsing.Immediately call a POISON CENTER or
    doctor/physician.
    Immediately call a POISON CENTER or doctor/physician. Rinse mouth. Do NOT
  Ingestion:
    induce vomiting.
    A rescuer should wear personal protective equipment, such as rubber gloves and air-
  Protection of first-aiders:
    tight goggles.

Section 5. FIRE-FIGHTING MEASURES
    Dry chemical, foam, water spray, carbon dioxide.
  Suitable extinguishing
  media:
  Unsuitable extinguishing Solid streams of water
  media:
  Specific hazards arising Take care as it may decompose upon combustion or in high temperatures to
    generate poisonous fume.
  from the chemical:
  Precautions for firefighters: Fire-extinguishing work is done from the windward and the suitable fire-extinguishing
    method according to the surrounding situation is used. Uninvolved persons should
    evacuate to a safe place. In case of fire in the surroundings: Remove movable
    containers if safe to do so.
    When extinguishing fire, be sure to wear personal protective equipment.
  Special protective
  equipment for firefighters:

Section 6. ACCIDENTAL RELEASE MEASURES
    Use extra personal protective equipment (self-contained breathing apparatus). Keep
  Personal precautions,
  protective equipment and people away from and upwind of spill/leak. Ensure adequate ventilation. Entry to non-
  emergency procedures: involved personnel should be controlled around the leakage area by roping off, etc.
  Environmental precautions: Prevent product from entering drains.
  Methods and materials for Absorb spilled material in a suitable absorbent (e.g. rag, dry sand, earth, saw-dust).
  containment and cleaning In case of large amount of spillage, contain a spill by bunding. Adhered or collected
  up: material should be promptly disposed of, in accordance with appropriate laws and
    regulations.
  Prevention of secondary Remove all sources of ignition. Fire-extinguishing devices should be prepared in
    case of a fire. Use spark-proof tools and explosion-proof equipment.
  hazards:

Section 7. HANDLING AND STORAGE
  Precautions for safe handling
    Handling is performed in a well ventilated place. Wear suitable protective equipment.
  Technical measures:
    Prevent generation of vapour or mist. Keep away from flames and hot surfaces. Take
    measures to prevent the build up of electrostatic charge. Use explosion-proof
    equipment. Wash hands and face thoroughly after handling.
  2,5-Difluorobenzyl Chloride

Section 7. HANDLING AND STORAGE
    Use a closed system, ventilation.
  Advice on safe handling: Avoid contact with skin, eyes and clothing.
    Use corrosive resistant equipment.
  Conditions for safe storage, including any
  incompatibilities
    Keep container tightly closed. Store in a cool, dark and well-ventilated place.
  Storage conditions:
    Store under inert gas.
    Protect from moisture.
    Store locked up.
    Store away from incompatible materials such as oxidizing agents.
    Moisture-sensitive
    Comply with laws. Keep only in original container.
  Packaging material:

Section 8. EXPOSURE CONTROLS / PERSONAL PROTECTION
    Install a closed system or local exhaust. Also install safety shower and eye bath.
  Engineering controls:
  Personal protective equipment
  Respiratory protection: Half or full facepiece respirator, self-contained breathing apparatus(SCBA), supplied
    air respirator, etc. Use respirators approved under appropriate government standards
    and follow local and national regulations.
    Impervious gloves.
  Hand protection:
    Safety goggles. A face-shield, if the situation requires.
  Eye protection:
  Skin and body protection: Impervious protective clothing. Protective boots, if the situation requires.

Section 9. PHYSICAL AND CHEMICAL PROPERTIES
    Liquid
  Physical state (20°C):
    Clear
  Form:
    Colorless - Pale yellow
  Colour:
    No data available
  Odour:
  pH: No data available
  Melting point/freezing point:No data available
    74°C/2.7kPa
  Boiling point/range:
    No data available
  Flash point:
  Flammability or explosive
  limits:
    No data available
  Lower:
    No data available
  Upper:
    1.33
  Relative density:
  Solubility(ies):
    No data available
  [Water]
    No data available
  [Other solvents]

Section 10. STABILITY AND REACTIVITY
    Stable under proper conditions.
  Chemical stability:
  Possibility of hazardous No special reactivity has been reported.
  reactions:
    Open flame
  Conditions to avoid:
  Incompatible materials: Oxidizing agents, Bases
  Hazardous decomposition Carbon monoxide, Carbon dioxide, Hydrogen fluoride, Hydrogen chloride
  products:

Section 11. TOXICOLOGICAL INFORMATION
    No data available
  Acute Toxicity:
  Skin corrosion/irritation: No data available
    No data available
  Serious eye
  damage/irritation:
  Germ cell mutagenicity: No data available
  2,5-Difluorobenzyl Chloride

Section 11. TOXICOLOGICAL INFORMATION
  Carcinogenicity:
    No data available
  IARC =
    No data available
  NTP =
    No data available
  Reproductive toxicity:

Section 12. ECOLOGICAL INFORMATION
  Ecotoxicity:
    No data available
  Fish:
    No data available
  Crustacea:
    No data available
  Algae:
  Persistence / degradability: No data available
    No data available
  Bioaccumulative
  potential(BCF):
  Mobility in soil
    No data available
  Log Pow:
    No data available
  Soil adsorption (Koc):
    No data available
  Henry's Law
  constant(PaM3/mol):

Section 13. DISPOSAL CONSIDERATIONS
    Recycle to process, if possible. Consult your local regional authorities. You may be able to burn in a chemical
    incinerator equipped with an afterburner and scrubber system. Observe all federal, state and local regulations when
    disposing of the substance.

Section 14. TRANSPORT INFORMATION
    8: Corrosive.
  Hazards Class:
    3265
  UN-No:
    Corrosive liquid, acidic, organic, n.o.s.
  Proper shipping name:
    III
  Packing group:

Section 15. REGULATORY INFORMATION
  Safe management ordinance of dangerous chemical product (State Council announces on January 26, 2002
  and revised on February 16,2011): Safe use and production, the storage of a dangerous chemical, transport,
    loading and unloading were prescribed.


SECTION 16 - ADDITIONAL INFORMATION
N/A

Spectrum

NMR Spectrum 1H NMR : Predict
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Synthesis Route

1.Synthesis Route
2.Synthesis Route
3.Synthesis Route

Downstream Product

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