Sudan Ⅲ , AR , 85-86-9

Synonym(s):
Solvent Red 23;Sudan G;Sudan Red BK;Tony Red;1-[4-(Phenylazo)phenylazo]-2-naphthol

CAS NO.：85-86-9

Empirical Formula: C22H16N4O

Molecular Weight: 352.39

MDL number: MFCD00003905

EINECS: 201-638-4

PRODUCT Properties

• Melting point: 199 °C (dec.)(lit.)
• Boiling point: 486.01°C (rough estimate)
• Density: 1.2266 (rough estimate)
• refractive index: 1.6620 (estimate)
• storage temp.: Store at +5°C to +30°C.
• solubility: Insoluble in water; soluble in benzene, chloroform; moderately soluble in acetone, ether, petroleum ether; slightly soluble in ethanol, xylene
• form: Powder
• Colour Index: 26100
• pka: 13.45±0.50(Predicted)
• color: Red-brown
• λmax: 507 nm, 354 nm
• Merck: 14,8884
• BRN: 2016384
• Stability: Stable. Incompatible with strong oxidizing agents.
• Biological Applications: Antiseptic; preventing prostate cancer; medical devices; dental impression materials
• InChIKey: FHNINJWBTRXEBC-HXEHWPEMSA-N
• LogP: 5.740 (est)

Description and Uses

Solvent Red 23 is an oil-soluble red azo dye used in cosmetic products in Japan. Cases were reported in hairdressers, who also reacted to PPD and to paminoazobenzene. One case of contact dermatitis was reported in the metal industry.

Weakly acidic azo dye. Biological stain. Dyes and metabolites, Environmental Testing.

Safety

• Symbol(GHS): GHS07,GHS08
• Signal word: Warning
• Hazard statements: H317-H315-H319-H335-H341
• Precautionary statements: P201-P305+P351+P338-P405-P501a-P261-P272-P280-P302+P352+P333+P313+P363-P501
• Hazard Codes: Xi
• Risk Statements: 10-20-36/38-36/37/38
• Safety Statements: 22-24/25-36-26
• WGK Germany: 3
• RTECS: QK4250000
• TSCA: Yes
• HS Code: 32129000
• Toxicity: cyt-ham:ovr 20 mmol/L/5H-C ENMUDM 1,27,79