Thorin, GR

: 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)

: T 1677

: 3688-92-4

: AR / GR

: C₁₆H₁₁AsN₂Na₂O₁₀S₂

: 576.30

: Thorin (also called Thoron or Thoronol) is an indicator used in the determination of barium, beryllium, lithium, uranium and thorium compounds. Being a compound of arsenic, it is highly toxic.

: T 1677 (OTTO) Thorin, GR Cas no 3688-92-4 - used as a reagent for the determination of thorium. T 1677 (OTTO) Thorin, GR Cas no 3688-92-4 - used as an indicator in the titrimetric determination of organic sulfur compounds and sulfate with Ba(ClO4)2.