Description
(Reagent for the determination of boron)
4-Hydroxy-5-(2-hydroxybenzylideneamino)-naphthalene-2,7-disulfonic acid monosodium salt hydrate; 4-Hydroxy-5-(salicylideneamino)-2,7-naphthalenedisulfonic acid monosodium salt
| CAS | 206752-32-1 |
| Molecular Formula | C17H12NNaO8S2· xH2O |
| Molecular Weight | 445.40 |
| Shelf Life | 60 Months |
| Specifications | |||
| Appearance | Yellow to orange powder | Identity (Ir) | Passes test |
| Assay (Hplc, Area%) | Min 95.0% | Water (By Kf) | Max 8.0% |
| Specific Absorptivity A 1%/1Cm (236 Nm; 0.0005%; 1 Cm; Water) | Min 1200 | Suitability (For Photometric Determination of Boron) | Conforms |
| Dangerous Goods Information | |||
| UN Number | – | DG Class | – |
| Safety Information & Hazard Symbols | |
| Symbol | GHS07 |
| Signal Word | Warning |
| Hazard Statement | H315-H319-H335 |
| Precaution Statement | P261-P305 + P351 + P338 |















