104566

Thorin

indicator grade

• Synonym(s): 1-(2-Arsonophenylazo)-2-naphthol-3,6-disulfonic acid disodium salt, 2-(2-Hydroxy-3,6-disulfo-1-naphthylazo)phenylarsonic acid disodium salt, 2-(3,6-Disulfo-2-hydroxy-1-naphthylazo)benzenearsonic acid disodium salt, APANS, Thoron(ol)
• Empirical Formula (Hill Notation): C₁₆H₁₁AsN₂Na₂O₁₀S₂
• CAS Number: 3688-92-4
• Molecular Weight: 576.30
• Beilstein/REAXYS Number: 2957648
• EC Number: 222-993-1
• MDL number: MFCD00003888
• UNSPSC Code: 12161500
• PubChem Substance ID: 24846650

Properties

• grade: indicator grade
• technique(s): titration: suitable
• λmax: 483 nm
• SMILES string: [Na+].[Na+].Oc1c(\N=N\c2ccccc2[As](O)(O)=O)c3ccc(cc3cc1S([O-])(=O)=O)S([O-])(=O)=O
• InChI: 1S/C16H13AsN2O10S2.2Na/c20-16-14(31(27,28)29)8-9-7-10(30(24,25)26)5-6-11(9)15(16)19-18-13-4-2-1-3-12(13)17(21,22)23;;/h1-8,20H,(H2,21,22,23)(H,24,25,26)(H,27,28,29);;/q;2*+1/p-2/b19-18+;;
• InChI key: DCSRPHQBFSYJNN-BUFQOAPZSA-L

Safety Information

• pictograms: GHS06,GHS09
• signalword: Danger
• hcodes: H301 + H331,H410
• pcodes: P261 - P264 - P271 - P273 - P301 + P310 - P304 + P340 + P311
• Hazard Classifications: Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1
• Storage Class: 6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable
• ppe: Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges