Description
| CAS | 54-21-7 |
| Molecular Formula | C7H5NaO3 |
| Molecular Weight | 160.10 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | White crystalline |
| Odour | Characteristic odour | pH Value | 5 – 6 |
| Melting Point/ Freezing Point [°C] | > 300 °C | Density [g/cm3] | 0.35 |
| Solubility in Water [% weight] | Appreciable (> 10%) | ||
| Specifications | |||
| Appearance | White, crystalline powder or colorless, small crystals or shiny flakes | Assay (By Hclo4 Titration; On Dried Basis) | 99.5 -100.5% |
| Identification | To comply as per pharma specificaiton | Solubility | Passes test |
| Appearance of Solution | Passes test | Acidity | Passes test |
| Sulphite And Thiosulphate | Passes test as per USP | Chloride (Cl) | Max 0.02% |
| Sulphate (So4) | Max 0.06% | Heavy Metal (As Pb) | Max 0.002% |
| Arsenic (As) | Max 0.0002% | Loss On Drying (At 105°C) | Max 0.5% |
| Dangerous Goods Information | |||
| UN Number | – | DG Class | – |
| Safety Information & Hazard Symbols | |
| Symbol | GHS07 |
| Signal Word | Warning |
| Hazard Statement | H302-H315-H319-H335 |
| Precaution Statement | P261-P305 + P351 + P338 |















