Thorin , 90% , 3688-92-4

Synonym(s):
1-(2-Arsonophenylazo)-2-hydroxy-3,6-naphthalene-disulfonic acid sodium salt, 2-(2-Hydroxy-3,6-disulfo-1-naphthylazo)-benzene-arsonic acid sodium salt;Thorin

CAS NO.：3688-92-4

Empirical Formula: C16H11AsN2Na2O10S2

Molecular Weight: 576.3

MDL number: MFCD00003888

EINECS: 222-993-1

PRODUCT Properties

• Melting point: >300°C
• storage temp.: Store at +5°C to +30°C.
• form: powder to crystal
• pka: pK1:3.7;pK2:8.3;pK3:11.8 (25°C)
• color: Orange to Brown to Dark red
• PH: 6.1 (10g/l, H2O, 20℃)
• Water Solubility: Soluble in water.
• InChIKey: DCSRPHQBFSYJNN-BUFQOAPZSA-L

Safety

• Symbol(GHS): GHS06,GHS09
• Signal word: Danger
• Hazard statements: H301+H331-H410
• Precautionary statements: P261-P264-P270-P273-P301+P310-P304+P340+P311
• Hazard Codes: T,N
• Risk Statements: 23/25-50/53
• Safety Statements: 20/21-28-45-60-61
• RIDADR: UN 3465 6.1/PG 3
• WGK Germany: 3
• TSCA: Yes
• HazardClass: 6.1(a)
• PackingGroup: II
• HS Code: 29270000