Amaranth , Analysis standard , 915-67-3

Synonym(s):
3-Hydroxy-4-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonate trisodium salt;Acid Red 27;Azorubin S;FD & C Red Dye No. 2

CAS NO.：915-67-3

Empirical Formula: C20H11N2Na3O10S3

Molecular Weight: 604.47

MDL number: MFCD00004076

EINECS: 213-022-2

PRODUCT Properties

• Melting point: >300°C
• Density: 1.5
• Flash point: 214°
• storage temp.: Sealed in dry,Room Temperature
• solubility: H2O: soluble10mg/mL
• form: Crystalline Powder
• Colour Index: 16185
• color: Dark reddish-brown to dark brown
• PH: 9.65 (28°C, - OECD Test Guideline 122 - alkaline)
• Water Solubility: 50 g/L (20 ºC)
• λmax: 520 nm
• Merck: 14,375
• BRN: 4122311
• Stability: Stable. Incompatible with strong oxidizing agents.
• Biological Applications: Detecting membrane-potential change; treating acquired resistance to GABAergic (ARG) agents
• InChIKey: WLDHEUZGFKACJH-ZRUFZDNISA-K
• LogP: -5.13
• CAS DataBase Reference: 915-67-3
• IARC: 3 (Vol. 8, Sup 7) 1987
• EPA Substance Registry System: C.I. Acid Red 27, trisodium salt (915-67-3)

Description and Uses

Amaranth (FD & C Red No. 2) consists essentially of a trisodium 2-hydroxy-l-(4-sulfonato-1-naphthy lazo)naphthalene 3,6-disulfonate and subsidiary coloring matters together with sodium chloride and/or sodium sulfate as the principal uncolored components. Amaranth may be converted to the corresponding aluminum lake.

Dyeing wool and silk bright bluish-red from an acid bath. Food colorant. As indicator. In color photography.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H319
• Precautionary statements: P264-P280-P305+P351+P338-P337+P313
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 36/37/39-26
• WGK Germany: 3
• RTECS: QJ6550000
• HS Code: 32129000
• Hazardous Substances Data: 915-67-3(Hazardous Substances Data)
• Toxicity: LD50 intraperitoneal in mouse: 1gm/kg