Acid Red 27
[CAS# 915-67-3]

Identification

• Classification: Dyes and pigments >> Dyes >> Acid dyestuff
• Name: Acid Red 27
• Synonyms: C.I. 16185; FD&C Red No. 2; Amaranth; Trisodium 3-hydroxy-4-(4-sulfonato-1-naphthylazo)-2,7-naphthalenedisulfonate
• Molecular Formula: C₂₀H₁₁N₂Na₃O₁₀S₃
• Molecular Weight: 604.47
• CAS Registry Number: 915-67-3
• EC Number: 213-022-2

Properties

• Density: 1.5
• Melting point: >300 ºC
• Water solubility: 50 g/L (20 ºC)

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S36/37/39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412