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1325-37-7

1325-37-7 structure
1325-37-7 structure
  • Name: FD & C Yellow No.6
  • Chemical Name: disodium,6-oxo-5-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2-sulfonate
  • CAS Number: 1325-37-7
  • Molecular Formula: C16H10N2Na2O7S2
  • Molecular Weight: 452.369
  • Catalog: Dyes and pigments dye Direct dye
  • Create Date: 2018-07-17 15:17:48
  • Modify Date: 2024-01-20 18:31:14

Name disodium,6-oxo-5-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2-sulfonate
Synonyms 2-Naphthalenesulfonic acid, 6-hydroxy-5-[(4-sulfophenyl)azo]-, disodium salt
1-p-Sulfophenylazo-2-naphthol-6-sulfonic Acid Disodium Salt
Disodium 6-hydroxy-5-[(E)-(4-sulfonatophenyl)diazenyl]-2-naphthalenesulfonate
SUN Yellow
Disodium 6-hydroxy-5-((4-sulphonatophenyl)azo)naphthalene-2-sulphonate
EINECS 215-393-6
Yellow S
2-Naphthalenesulfonic acid, 6-hydroxy-5-((p-sulfophenyl)azo)-, disodium salt
Disodium 6-hydroxy-5-[(E)-(4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate
2-Naphthalenesulfonic acid, 6-hydroxy-5-((4-sulfophenyl)azo)-, disodium salt
Para Orange
FD & C Yellow No.6
Twilight Yellow
Sunset yellow
Cilefa Orange S
Orange PAL
Yellow Orange S
Yellow sun
MFCD00070854
disodium 6-hydroxy-5-[(Z)-(4-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate
2-Naphthalenesulfonic acid, 6-hydroxy-5-[(E)-2-(4-sulfophenyl)diazenyl]-, sodium salt (1:2)
2-naphthalenesulfonic acid, 6-hydroxy-5-[(E)-(4-sulfophenyl)azo]-, disodium salt
Acid Yellow TRA
6-Hydroxy-5-[(4-sulfophenyl)azo]-2-naphthalenesulfonic Acid Disodium Salt
FD & C Yellow No. 6
Molecular Formula C16H10N2Na2O7S2
Molecular Weight 452.369
Exact Mass 451.972473
PSA 172.62000
LogP 3.14150
Stability Stable. May be flammable.

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 HealthCARCINOGENIC EFFECTS: Not available.
EffectsMUTAGENIC 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 ContactCheck 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 ContactWash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation develops.
Serious Skin ContactNot available.
InhalationIf inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get
medical attention.
Serious InhalationNot available.
IngestionDo 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 IngestionNot available.

Section 5. Fire and Explosion Data
Flammability of the Product May be combustible at high temperature.
Auto-Ignition Temperature Not available.
Flash PointsNot available.
Flammable LimitsNot 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 SubstancesRisks of explosion of the product in presence of static discharge: Not available.
Fire Fighting MediaSMALL FIRE: Use DRY chemical powder.
and InstructionsLARGE FIRE: Use water spray, fog or foam. Do not use water jet.
Special Remarks onNot available.
Fire Hazards
Special Remarks on Explosion Not available.
Hazards
Stilbene yellow

Section 6. Accidental Release Measures
Small SpillUse 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 SpillUse 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
PrecautionsKeep 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.
StorageKeep container tightly closed. Keep container in a cool, well-ventilated area.

Section 8. Exposure Controls/Personal Protection
Engineering ControlsUse 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 ProtectionSafety 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 Spillto 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.OdorNot available.
TasteNot available.
Not available.
Molecular Weight
ColorReddish-brown.
pH (1% soln/water)Not available.
Not available.
Boiling Point
Melting PointNot available.
Not available.
Critical Temperature
Specific GravityNot available.
Vapor PressureNot applicable.
Vapor DensityNot available.
VolatilityNot available.
Odor ThresholdNot available.
Water/Oil Dist. Coeff.Not available.
Not available.
Ionicity (in Water)
Dispersion PropertiesNot available.
Not available.
Solubility
Stilbene yellow

Section 10. Stability and Reactivity Data
The product is stable.
Stability
Instability TemperatureNot available.
Excess heat, incompatible materials
Conditions of Instability
Reactive with oxidizing agents, reducing agents.
Incompatibility with various
substances
CorrosivityNon-corrosive in presence of glass.
Special Remarks onNot available.
Reactivity
Special Remarks onNot available.
Corrosivity
PolymerizationWill not occur.

Section 11. Toxicological Information
Routes of EntryInhalation. Ingestion.
Toxicity to AnimalsLD50: Not available.
LC50: Not available.
Chronic Effects on Humans Not available.
Other Toxic Effects onSlightly hazardous in case of skin contact (irritant), of ingestion, of inhalation.
Humans
Special Remarks onNot available.
Toxicity to Animals
Special Remarks onNot available.
Chronic Effects on Humans
Special Remarks on otherAcute PotentialHealth Effects:
Toxic Effects on HumansSkin: 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
EcotoxicityNot available.
BOD5 and CODNot available.
Products of BiodegradationPossibly 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 theNot available.
Products of Biodegradation
Stilbene yellow

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

Section 14. Transport Information
DOT ClassificationNot 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
CaliforniaCalifornia 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 RegulationsEINECS: 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
Hazard Codes Xi:Irritant
Risk Phrases R36/37/38
Safety Phrases S26-S36