Description
| CAS | 69-72-7 |
| Molecular Formula | C7H6O3 |
| Molecular Weight | 138.12 |
| Shelf Life | 60 Months |
| Physical Properties | |||
| Physical State at 20 °C | Solid | Colour | White powder |
| Odour | Odorless | pH Value | 2.4 at 20 °C |
| Melting Point/ Freezing Point [°C] | 158 – 161 °C | Decomposition Point [°C] | 211°C |
| Auto-Ignition Temperature [°C] | 545°C | Flash Point [°C] | 157 °C |
| Boiling Point [°C] | 211 °C | Vapour Pressure Mm/Hg | 1 mm Hg at 114 °C |
| Vapour Density | 4.8 | Density [g/cm3] | 1.44 |
| Solubility in Water [% weight] | Partially soluble in water | Partition Coefficient Log POW Octanol / Water at 20°C | 2.21 |
| Explosion Limits -Lower [%] | 1.10% | ||
| Specifications | |||
| Appearance | White or almost white powder, crystalline powder or crystal | Assay | 99.0 – 100.5% |
| Identification As Per Pharma | Passes test | Appearance of Solution | Dissolve 1 g in 10 ml of ethanol (96%). Solution is clear & colourless |
| Melting Range | 158 – 161° C | Related Substances | Passes test |
| Sulphated Ash | Max 0.1% | Heavy Metal (As Pb) | Max 0.002% |
| Iron (Fe) | Max 0.0002% | Chloride (Cl) | Max 0.01% |
| Sulphate (So4) | Max 0.02% | Loss On Drying (Over P2O5, in Desiccator) | Max 0.5% |
| Dangerous Goods Information | |||
| UN Number | – | DG Class | – |
| Safety Information & Hazard Symbols | |
| Symbol | GHS05, GHS07 |
| Signal Word | Danger |
| Hazard Statement | H302-H318 |
| Precaution Statement | P280-P305 + P351 + P338 |















