Description
CAS No. 121-79-9
Packing : 1 Kg
HSN Code : 29182930
IMDG Identification : Not Regulated for Transport (Non-Haz)
Molecular Formula : C10H12O5
Molecular Weight : 212.20
Storage : Room Temperature
Specifications
| Appearance | A white or almost white , crystalline powder |
| Solubility | Very slightly soluble in water, freely soluble in (96%) ethanol and dissolves in dilute solutions of alkali hydroxides. |
| Identification | A) Melting point : 148°C to 151°C B) Infrared absorption C) By TLC (In Gallic acid test) D) By Chemical test |
| Appearance of solution | Clear and not more intensity coloured then reference solution BY5 |
| Gallic acid | By TLC |
| Total chlorine | Max 200 ppm |
| Chlorides | Max 100 ppm |
| Zn | NMT 25 ppm |
| Loss on drying (At 105°C) : | NMT 0.5% |
| Sulfated ash : | NMT 0.1% |
| Assay (on dried substance): | 97.0 – 103% |
| Reference | BP 2018 |
