Sulfanilic acid azochromotrop

Purity: reagent grade

Synonym(s): Sulfanilic acid azochromotrope; 2-(4-Sulfophenylazo)chromotropic acid trisodium salt; 1, 8-Dihydroxy-2-(4-sulfophenylazo)naphthalene-3, 6-disulfonic acid trisodium salt; 2-(4-Sulfophenylazo)-1, 8-dihydroxy-3, 6-naphthalene disulfonic acid trisodium salt; Trisodium 2-(4-Sulfophenylazo)-1, 8-dihydroxynaphthalene-3, 6-disulfonate Hydrate

Formula: C16H9N2Na3O11S3 Molecular Weight: 570.41

CAS Number: 23647-14-5 EC Number: 245-803-9 MDL Number: MFCD00003952 PubChem CID: 90221

Properties

Shelf life: 1460 days

Solubility: Soluble in water (10 mg/ml), and ethanol (1 mg/ml). very slightly soluble or insoluble in alcohol and organic solvents

Sensitivity:

Boiling point:

Melting point: >300°C

InChl: InChI=1S/C16H12N2O11S3.3Na/c19-12-7-11(31(24, 25)26)5-8-6-13(32(27, 28)29)15(16(20)14(8)12)18-17-9-1-3-10(4-2-9)30(21, 22)23; ; ; /h1-7, 19-20H, (H, 21, 22, 23)(H, 24, 25, 26)(H, 27, 28, 29); ; ; /q; 3*+1/p-3

Safety Information

Pictograms: GHS07

Signal Word: Warning

Hazard Statements: H315; H319; H335

Precautionary Statements: P261; P305+P351+P338; P280; P302+P352; P321; P405; P501; P264; P271; P304+P340; P403+P233; P362+P364; P264+P265; P337+P317; P332+P317; P319

WGK: 3

Storage:

Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves