Description
| CAS | 51-42-3 |
| Molecular Formula | C13H19NO9 |
| Molecular Weight | 333.30 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | White powder |
| pH Value | 4 at 20 g/l | Melting Point/ Freezing Point [°C] | 147°C |
| Solubility in Water [% weight] | Soluble in cold water | ||
| Specifications | |||
| Appearance | A white or greyish-white, crystalline powder; odourless. It darkens on exposure to air and light, decomposition being faster in the presence of moistu | Assay (On Anhydrous Basis) | 98.0-101.0% |
| Solubility | Freely soluble in water, slightly soluble in ethanol(95%), practically insoluble in chloroform and in | Appearance of Solution | To comply IP test |
| Identification A (Ir Spectrum) | To confirm the structure | Identification ‘B’ | Absorption maxima at 279 nm, about 0.4 absorbance |
| Identification 'C' | It gives reaction of tartrate | Impurity A | Max 0.3% |
| Impurity B, C | Max 0.2?ch | Total Unspecified Impurities | Max 0.1?ch |
| Total Impurities | Max 0.6% | Phenones (By Uv) | Max 0.1 absorbance at 310 nm |
| Loss On Drying | Max 0.5% | Sulphated Ash | Max 0.1% |
| pH (1% W/V Solution) | 2.8 – 4.0 | Specific Optical Rotation ( [?]20/d) | -50.0° to -54.0° |
| Dangerous Goods Information | |||
| UN Number | 2811 | DG Class | 6.1 |
| Safety Information & Hazard Symbols | |
| Symbol | GHS06 |
| Signal Word | Danger |
| Hazard Statement | H300-H315-H319-H335 |
| Precaution Statement | P261-P264-P301 + P310-P305 + P351 + P338 |















