3547-38-4

Basic information

• Product Name: NEOTHORIN
• Synonyms: ARSENAZO I DISODIUM SALT;Disodium 3-[(o-arsonophenyl)azo]-4,5-dihydroxynaphthalene-2,7-disulphonate;arsenazo190+%;Arsenazo I 2,7-Naphthalenesulfonic acid, 3-[(2-arsonophenyl)azo]-4,5-dihydroxy-, disodium salt;Arsenazo I Hydrate;2-(2-Arsonophenylazo)chromotropic acid disodium salt, Arsenazo, Neothoron;2-[1,8-Dihydroxy-3,6-di(sodiosulfo)-2-naphtylazo]phenylarsonic acid;3-[(2-Arsonophenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt
• CAS NO: 3547-38-4
• Molecular Formula: C₁₆H₁₀AsN₂O₁₁S₂*3Na
• Molecular Weight: 592.29648
• EINECS: 222-600-3
• Product Categories: Analytical Chemistry;As (Arsenic) Compounds;Azo Compounds;Chelating Reagents;Classes of Metal Compounds;Naphthylazo Compounds;Semimetal Compounds
• Mol File: 3547-38-4.mol
• Article Data: 0

Chemical Properties

• Melting Point: ≥300 °C(lit.)
• Appearance: /
• Solubility: methanol: 1 mg/mL, clear, red
• CAS DataBase Reference: NEOTHORIN(CAS DataBase Reference)
• NIST Chemistry Reference: NEOTHORIN(3547-38-4)
• EPA Substance Registry System: NEOTHORIN(3547-38-4)

Safety Data

• Hazard Codes: T,N
• Statements: 23/25-50/53
• Safety Statements: 20/21-28-45-60-61
• RIDADR: UN 3465 6.1/PG 3
• WGK Germany: 3
• HazardClass: 6.1(b)
• PackingGroup: III
• Hazardous Substances Data: 3547-38-4(Hazardous Substances Data)

Usage

Uses

Arsenazo-I is a reagent for the spectrophotometric determination of Al, Be, Ca, Th, U, V(IV); F- and SO42+; for Pd and Ru; for Ga and In; Arsenazo-I is a optical calcium indicator.

InChI:InChI=1/C16H13AsN2O11S2.2Na/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;2*+1/p-2