Arsenazo I Trisodium Salt CAS #: 66019-20-3

Synonyms Arsenazo I, 2-Arsonophenylazochromotropic Acid Trisodium Salt, 2-(1,8-Dihydroxy-3,6-disulfo-2-naphthylazo)benzenearsonic acid trisodium salt, 3-(2-Arsonophenyl)azo-4,5-dihydroxy-2,7-naphthalenedisulfonic acid trisodium salt, Sodium (E)-3-((2-(hydrogenarsonato)phenyl)diazenyl)-4,5-dihydroxynaphthalene-2,7-disulfonate, Trisodium 3-[(o-arsonatophenyl)azo]-4,5-dihydroxynaphthalene-2,7-disulphonate, (HO)2C10H3(SO3R)2N=NC6H4As(O)(OR)2

Compound Formula: C16H10AsN2Na3O11S2 Molecular Weight: 614.3 Appearance: Dark red to brown powder or crystals Melting Point: >320 °C Boiling Point: N/A Density: N/A Solubility in H2O: Soluble Exact Mass: 613.863504 g/mol Monoisotopic Mass: 613.863504 g/mol Storage Temperature: Ambient temperatures Absorption: λmax499 nm

Health & Safety Information Signal Word: Danger Hazard Statements: H301+H331-H410 Hazard Codes: T, N Precautionary Statements: P261-P273-P301+P310-P311-P501 Risk Codes: N/A Safety Statements: N/A Harmonized Tariff Code: 2931.90 Transport Information: UN 3465 6.1/PG III WGK Germany: 3 GHS Pictogram: Image,Image

Chemical Identifiers Linear Formula: C16H10AsN2Na3O11S2 Pubchem CID: 2723811 MDL Number: MFCD00003937 EC No.: 266-069-6 IUPAC Name: trisodium; 4,5-dihydroxy-3-[[2-[hydroxy(oxido)arsoryl]phenyl]diazenyl]naphthalene-2,7-disulfonate SMILES: C1=CC=C(C(=C1)N=NC2=C(C3=C(C=C(C=C3C=C2S(=O)(=O)[O-])S(=O)(=O)[O-])O)O)[As](=O)(O)[O-].[Na+].[Na+].[Na+] InchI Identifier: InChI=1S/C16H13AsN2O11S2.3Na/c20-12-7-9(31(25,26)27)5-8-6-13(32(28,29)30)15(16(21)14(8)12)19-18-11-4-2-1-3-10(11)17(22,23)24;;;/h1-7,20-21H,(H2,22,23,24)(H,25,26,27)(H,28,29,30);;;/q;3*+1/p-3 InchI Key: NBVFGAJJMPGDDH-UHFFFAOYSA-K