Thorin Indicator AR
Reagent for thorium,beryllium and certain other metals.
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)
Product Code. |
02691 |
Grade |
|
Purity |
CAS No. |
3688-92-4 | |
Molecular Formula |
C16H11AsN2Na2O10S2 |
Molecular Weight |
576.30 |
H.S.Code |
2931.90900 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Brownish red powder |
Odour |
Odorless |
| Solubility in water [% weight] |
Appreciable (> 10%) |
Packaging
Specification
| Appearance | Brownish red powder / Orange red powder |
| Absorption maxima in H2O | 480 - 490 nm |
| Specific absorptivity 1%/1cm (at lmax) | Min 200% |
| Water (by KF) | 19 - 25% |
Safety Information and Hazard Symbols
Symbol: GHS06, GHS09
Signal Word: Danger
UN No.: 3465
IMCO Class No.: 6.1
Packing Group: II
Hazardous Statement: H301-H331-H410
Precaution Statement: P261-P273-P301 + P310-P311-P501