FD & C red no. 2
- Acetacid red 2br
- Acid amaranth
- Acid amaranth i
- Acid amaranth n
- Acid leather red 12bw
- Acid leather rubine s
Dark red to dark purple powder. Almost no odor. Tastes salty.
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.
Registry Numbers and Inventories.
Tumorigen; Drug; Mutagen; Reproductive Effector
Swiss Giftliste 1
Japan ENCS (MITI)
Melting point, °C
218 - 220
1.50 g/cm3 (20 C)
Solubility in water
1 g in 15 ml
Hazards and Protection.
Store in a cool, dry place. Store in a tightly closed container.
Avoid contact with skin and eyes. Avoid ingestion and inhalation. Use only in a chemical fume hood.
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.
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.
Vacuum or sweep up material and place into a suitable disposal container.
Stable under normal temperatures and pressures.
Strong oxidizing agents.
Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide.
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.
This material is probably combustible.
Ingestion of large amounts may cause gastrointestinal irritation. Expected to be a low ingestion hazard.
May cause respiratory tract irritation. Low hazard for usual industrial handling.
Non-irritating to the skin.
Non-irritating to the eyes.
Wash mouth out with water. Get medical aid if irritation or symptoms occur.
Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.
Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.
Get medical aid. Gently lift eyelids and flush continuously with water.