1325-37-7 structure, C16H10N2Na2O7S2

disodium,6-oxo-5-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2-sulfonate

CAS No.

1325-37-7

Formula:

C16H10N2Na2O7S2

Basic Info

Formula
C16H10N2Na2O7S2
Molecular Weight
452.369
Exact Mass
451.972
LogP
3.1415
PSA
172.62
Synonyms

Cilefa Orange S

Orange PAL

Yellow Orange S

Yellow sun

Para Orange

SUN Yellow

Sunset yellow

Yellow S

Acid Yellow TRA

Twilight Yellow

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Properties

Appearance & Physical State
reddish-brown powder
Stability
Stable. May be flammable.

Safety Info

Safety Statements
S26-S36
Risk Statements
R36/37/38
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 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name disodium,6-oxo-5-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2-sulfonate

1.2 Other means of identification

Product number -
Other names SUN Yellow

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Colorants
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

Not classified.

2.2 GHS label elements, including precautionary statements

Pictogram(s) No symbol.
Signal word

No signal word.

Hazard statement(s)

none

Precautionary statement(s)
Prevention

none

Response

none

Storage

none

Disposal

none

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
disodium,6-oxo-5-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2-sulfonate disodium,6-oxo-5-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2-sulfonate 1325-37-7 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

SYMPTOMS: It can cause enlargement of the caecum and weight loss.

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

/SRP:/ Immediate first aid: Ensure that adequate decontamination has been carried out. If patient is not breathing, start artificial respiration, preferably with a demand valve resuscitator, bag-valve-mask device, or pocket mask, as trained. Perform CPR if necessary. Immediately flush contaminated eyes with gently flowing water. Do not induce vomiting. If vomiting occurs, lean patient forward or place on the left side (head-down position, if possible) to maintain an open airway and prevent aspiration. Keep patient quiet and maintain normal body temperature. Obtain medical attention. /Poisons A and B/

5.Fire-fighting measures

5.1 Extinguishing media

Suitable extinguishing media

Fires involving this compound can be controlled with a dry chemical, carbon dioxide or Halon extinguisher.

5.2 Specific hazards arising from the chemical

Flash point data for this chemical are not available; however, it is probably combustible.

Flash point data for this chemical are not available; however, it is probably combustible.

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 reddish-brown powder
Colour Orange-red crystals
Odour no data available
Melting point/ freezing point Decomposes without melting at 390°C
Boiling point or initial boiling point and boiling range no data available
Flammability no data available
Lower and upper explosion limit / flammability limit no data available
Flash point no data available
Auto-ignition temperature no data available
Decomposition temperature no data available
pH no data available
Kinematic viscosity no data available
Solubility 10 to 50 mg/mL at 22.78°C
Partition coefficient n-octanol/water (log value) log Kow = -1.18 (estimated)
Vapour pressure 1.43X10-22 mm Hg at 25°C (estimated)
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

DIRECT YELLOW 11 is an azo compound. Azo, diazo, azido compounds can detonate. This applies in particular to organic azides that have been sensitized by the addition of metal salts or strong acids. Toxic gases are formed by mixing materials of this class with acids, aldehydes, amides, carbamates, cyanides, inorganic fluorides, halogenated organics, isocyanates, ketones, metals, nitrides, peroxides, phenols, epoxides, acyl halides, and strong oxidizing or reducing agents. Flammable gases are formed by mixing materials in this group with alkali metals. Explosive combination can occur with strong oxidizing agents, metal salts, peroxides, and sulfides.

10.4 Conditions to avoid

no data available

10.5 Incompatible materials

no data available

10.6 Hazardous decomposition products

When heated to decomposition it emits toxic fumes of /nitrogen and sulfur oxides/.

11.Toxicological information

Acute toxicity

  • Oral: LD50 Mice oral > 6000 mg/kg bw
  • 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 are available in humans. Inadequate 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

AEROBIC: C.I. Food Yellow 3 was not biodegraded in a standard 5-day BOD test using a sewage inoculum(1).[(1) Brown JP; Appl Environ Microbiol 41: 1283-86 (1981)] Full text: PMC243905

12.3 Bioaccumulative potential

The ionic character of C.I. Food Yellow 3 suggests the potential for bioconcentration in aquatic organisms is expected to be low. (SRC)

12.4 Mobility in soil

The pKa1 of C.I. Food Yellow 3 is 0.82(1), indicating that this compound will almost entirely exist in anion form in the environment and anions generally do not adsorb more strongly to soils containing organic carbon and clay than their neutral counterparts(2).

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: no data available IMDG: no data available IATA: no data available

14.2 UN Proper Shipping Name

ADR/RID: no data available
IMDG: no data available
IATA: no data available

14.3 Transport hazard class(es)

ADR/RID: no data available IMDG: no data available IATA: no data available

14.4 Packing group, if applicable

ADR/RID: no data available IMDG: no data available IATA: no data available

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
disodium,6-oxo-5-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2-sulfonate disodium,6-oxo-5-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2-sulfonate 1325-37-7 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) Listed.
Philippines Inventory of Chemicals and Chemical Substances (PICCS) Listed.
Vietnam National Chemical Inventory Listed.
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) Listed.

16.Other information

Information on revision

Creation Date Aug 15, 2017
Revision Date Aug 15, 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
    Stilbene yellow
    Common Name/
    Trade Name
    Stilbene yellow

Section 3. Hazards Identification
    Potential Acute Health Effects Slightly hazardous in case of skin contact (irritant), of eye contact (irritant), of ingestion, of inhalation.
    Potential Chronic Health        CARCINOGENIC EFFECTS: Not available.    
    Effects        MUTAGENIC EFFECTS: Not available.    
    TERATOGENIC EFFECTS: Not available.
    DEVELOPMENTAL TOXICITY: Not available.
    Repeated or prolonged exposure is not known to aggravate medical condition.

Section 4. First Aid Measures
    Eye Contact        Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at    
    least 15 minutes. Get medical attention if irritation occurs.
    Skin Contact        Wash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation develops.    
    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.
    Serious Inhalation        Not available.    
    Ingestion        Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an    
    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.
    Serious Ingestion        Not available.    

Section 5. Fire and Explosion Data
    Flammability of the Product May be combustible at high temperature.
    Auto-Ignition Temperature Not available.
    Flash Points        Not available.    
    Flammable Limits        Not available.    
    Not available.
    Products of Combustion
    Fire Hazards in Presence of Slightly flammable to flammable in presence of heat.
    Non-flammable in presence of open flames and sparks, of shocks.
    Various Substances
    Explosion Hazards in Presence Risks of explosion of the product in presence of mechanical impact: Not available.
    of Various Substances        Risks of explosion of the product in presence of static discharge: Not available.    
    Fire Fighting Media        SMALL FIRE: Use DRY chemical powder.    
    and Instructions        LARGE FIRE: Use water spray, fog or foam. Do not use water jet.    
    Special Remarks on        Not available.    
    Fire Hazards
    Special Remarks on Explosion Not available.
    Hazards
    Stilbene yellow

Section 6. Accidental Release Measures
    Small Spill        Use appropriate tools to put the spilled solid in a convenient waste disposal container. Finish cleaning by    
    spreading water on the contaminated surface and dispose of according to local and regional authority
    requirements.
    Large Spill        Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water    
    on the contaminated surface and allow to evacuate through the sanitary system.

Section 7. Handling and Storage
    Precautions        Keep away from heat. Keep away from sources of ignition. Ground all equipment containing material. Do not    
    breathe dust. Keep away from incompatibles such as oxidizing agents, reducing agents.
    Storage        Keep container tightly closed. Keep container in a cool, well-ventilated area.    

Section 8. Exposure Controls/Personal Protection
    Engineering Controls        Use process enclosures, local 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.
    Personal Protection        Safety glasses. Lab coat. Dust respirator. Use a dust respirator if ventilation is inadequate and visible dust    
    clouds are generated during handling of this product. Be sure to use an approved/certified respirator or
    equivalent. Gloves.
    Personal Protection in Case of Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be used
    a Large Spill        to avoid inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist    
    BEFORE handling this product.
    Exposure Limits
    Not available.

Section 9. Physical and Chemical Properties
    Physical state and appearance Solid.        Odor        Not available.    
    Taste        Not available.    
    Not available.
    Molecular Weight
    Color        Reddish-brown.    
    pH (1% soln/water)        Not available.    
    Not available.
    Boiling Point
    Melting Point        Not available.    
    Not available.
    Critical Temperature
    Specific Gravity        Not available.    
    Vapor Pressure        Not applicable.    
    Vapor Density        Not available.    
    Volatility        Not available.    
    Odor Threshold        Not available.    
    Water/Oil Dist. Coeff.        Not available.    
    Not available.
    Ionicity (in Water)
    Dispersion Properties        Not available.    
    Not available.
    Solubility
    Stilbene yellow

Section 10. Stability and Reactivity Data
    The product is stable.
    Stability
    Instability Temperature        Not available.    
    Excess heat, incompatible materials
    Conditions of Instability
    Reactive with oxidizing agents, reducing agents.
    Incompatibility with various
    substances
    Corrosivity        Non-corrosive in presence of glass.    
    Special Remarks on        Not available.    
    Reactivity
    Special Remarks on        Not available.    
    Corrosivity
    Polymerization        Will not occur.    

Section 11. Toxicological Information
    Routes of Entry        Inhalation. Ingestion.    
    Toxicity to Animals        LD50: Not available.    
    LC50: Not available.
    Chronic Effects on Humans Not available.
    Other Toxic Effects on        Slightly hazardous in case of skin contact (irritant), of ingestion, of inhalation.    
    Humans
    Special Remarks on        Not available.    
    Toxicity to Animals
    Special Remarks on        Not available.    
    Chronic Effects on Humans
    Special Remarks on other        Acute PotentialHealth Effects:    
    Toxic Effects on Humans        Skin: May cause skin irritation.    
    Eyes: May cause eye irritation.
    Inhalation: Dust may cause respiratory tract irritation.
    Ingestion: Expected to be a low hazard for ususal industrial handling.

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

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

Section 14. Transport Information
    DOT Classification        Not a DOT controlled material (United States).    
    Not applicable.
    Identification
    Not applicable.
    Special Provisions for
    Transport
    DOT (Pictograms)

Section 15. Other Regulatory Information and Pictograms
    TSCA 8(b) inventory: Stilbene yellow
    Federal and State
    Regulations
    California        California prop. 65: This product contains the following ingredients for which the State of California has found    
    to 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        EINECS: This product is on the European Inventory of Existing Commercial Chemical Substances. (EINECS No.    
    215-393-6).
    Canada: Listed on Canadian Domestic Substance List (DSL).
    China: Listed on National Inventory.
    Japan: Listed on National Inventory (ENCS).
    Korea: Listed on Natioinal Inventory (KECI).
    Philippines: Listed on National Inventory (PICCS).
    Australia: Listed on AIC
    WHMIS (Canada) Not controlled under WHMIS (Canada).
    Other Classifications
    DSCL (EEC)        This product is not classified according Not applicable.    
    to the EU regulations.
    Health Hazard
    HMIS (U.S.A.)        1 National Fire Protection    
    1 Flammability
    1 Association (U.S.A.)
    Fire Hazard
    1 0 Reactivity
    Health
    Reactivity
    0
    Specific hazard
    Personal Protection
    E
    WHMIS (Canada)
    (Pictograms)
    DSCL (Europe)
    (Pictograms)
    Stilbene yellow
    TDG (Canada)
    (Pictograms)
    ADR (Europe)
    (Pictograms)
    Protective Equipment
    Gloves.
    Lab coat.
    Dust respirator. Be sure to use an
    approved/certified respirator or
    equivalent.


SECTION 16 - ADDITIONAL INFORMATION
N/A

Spectrum

NMR Spectrum 1H NMR : Predict
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