Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
Home > FD&C Red No. 2 > FD&C Red No. 2(915-67-3)

FD&C Red No. 2(915-67-3)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity

Product Identification

Product Name
FD&C Red No. 2
Synonyms
Acid amaranth
Acid amaranth i
Acid amaranth n
Acid leather red 12bw
Acid leather rubine s
Sodium (Z)-3-hydroxy-4-((4-sulfonatonaphthalen-1-yl)diazenyl)naphthalene-2,7-disulfonate
CAS
915-67-3
Formula
C20H11N2Na3O10S3
Molecular Weight
604.48
EINECS
213-022-2
RTECS
QJ6550000
RTECS Class
Tumorigen; Drug; Mutagen; Reproductive Effector
Merck
12,391
Beilstein/Gmelin
4122311

Physical and Chemical Properties

Appearance
Dark red to dark purple powder. Almost no odor. Tastes salty.
Solubility in water
1 g in 15 ml
Melting Point
218 - 220
Density
1.50 g/cm3 (20 C)
Usage
Industrial applications include dyeing leather, staining wood, coloring paper coatings and coloring photographs. Amaranth finds limited use as a biological stain. It can be used as a reagent for the detection of nitrites and nitrates.

First Aid Measures

Ingestion
Wash mouth out with water. Get medical aid if irritation or symptoms occur.
Inhalation
Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.
Skin
Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.
Eyes
Get medical aid. Gently lift eyelids and flush continuously with water.

Handling and Storage

Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Avoid contact with skin and eyes. Avoid ingestion and inhalation. Use only in a chemical fume hood.

Hazards Identification

Ingestion
Ingestion of large amounts may cause gastrointestinal irritation. Expected to be a low ingestion hazard.
Inhalation
May cause respiratory tract irritation. Low hazard for usual industrial handling.
Skin
Non-irritating to the skin.
Eyes
Non-irritating to the eyes.

Exposure Controls/Personal Protection

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.
Poison Class
5

Fire Fighting Measures

Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Use water spray, dry chemical, or foam. Do NOT use carbon dioxide.
Fire Potential
This material is probably combustible.

Accidental Release Measures

Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity

Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide.
Contact More