ChemicalBook >>Tartrazine>>Food Yellow 4(1934-21-0)

Food Yellow 4(1934-21-0)

Food Yellow 4(1934-21-0)
Product IdentificationBack to Contents
【Product Name】

Food Yellow 4
【Synonyms】

Acid Yellow 23
C.I. 19140
【CAS】

1934-21-0
【Formula】

C16H12N4O9S2
【Molecular Weight】

537.39
【EINECS】

217-699-5
【RTECS】

UQ6400000
【RTECS Class】

Mutagen; Reproductive Effector; Human Data
【Merck】

12,9239
【Beilstein/Gmelin】

69850
【Beilstein Reference】

5-25-08-00222
Physical and Chemical PropertiesBack to Contents
【Appearance】

Orange to red powder.
【Solubility in water】

Soluble
【Melting Point】

>300
【Density】

1.93 g/cm3 (20 C)
【Heat Of Vaporization】

【Usage】

Used as a a dye for wool and silks.
First Aid MeasuresBack to Contents
【Ingestion】

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
【Eyes】

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Handling and StorageBack to Contents
【Storage】

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Hazards IdentificationBack to Contents
【Ingestion】

The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed.
【Inhalation】

The toxicological properties of this substance have not been fully investigated. Inhalation of dust may cause respiratory tract irritation.
【Skin】

No information regarding skin irritation and other potential effects was found.
【Eyes】

This product contains an anionic dye. Similar dyes have not caused injury to the cornea or conjunctiva in documented exposure cases with human or rabbit eyes.
【Hazards】

Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers.
【UN (DOT)】

1108
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Dusts at sufficient concentrations can form explosive mixtures with air. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
【Fire Potential】

HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions. Provide ventilation.
Stability and ReactivityBack to Contents
【Stability】

Stable; however, material can decompose above 251C (484F).
【Incompatibilities】

Strong oxidizing agents
【Decomposition】

Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide, sodium oxide.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

1108
【Hazard Class】

3
【Packing Group】

I
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