Description
| CAS | 554-84-7 |
| Molecular Formula | C6H5NO3 |
| Molecular Weight | 139.11 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | Yellow |
| Melting Point/ Freezing Point [°C] | 97°C | Density [g/cm3] | 1.48 |
| Solubility in Water [% weight] | Slight (0.1-1%) | ||
| Specifications | |||
| Appearance | Brownish yellow coloured powder | Purity (By Gc) | Min 99% |
| Melting Point | 95 – 99°C | pH 6.6 – 8.6 | Colourless to yellow-orange |
| Absorption Maxima (Buffer pH 6.6) | 329 – 333 nm | Absorption Maxima (Buffer pH 11.0) | 389 – 393 nm |
| Specific Absorptivity A1%/1Cm (Lmax; 0.05 G/L; Buffer pH 6.6) | 130 – 150 | Specific Absorptivity A1%/1Cm (Lmax; 0.05 G/L; Buffer pH 11.0) | 100 – 120 |
| Dangerous Goods Information | |||
| UN Number | 1663 | DG Class | 6.1 |
| Safety Information & Hazard Symbols | |
| Symbol | GHS05, GHS07 |
| Signal Word | Danger |
| Hazard Statement | H302-H315-H318 |
| Precaution Statement | P280-P305 + P351 + P338 |















