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PROPYL-4-HYDROXYBENZOATE Extra Pure
Confirms to IP, BP, USP
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC2462 | Extra Pure | 98% | 94-13-3 | C10H12O3 | 180.21 | 2918.2990 | 60 Months |
Packings
| 500 g,5000 g,25 Kg,50 Kg |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | White crystalline |
| Odour | Odorless |
| pH value | 6.7 |
| Melting point/ Freezing point [°C] | 95 - 98 °C |
| Auto-ignition temperature [°C] | 600°C |
| Flash point [°C] | 180 °C |
| Vapour pressure mm/Hg | 0.67 hPa @ 122°C |
| Solubility in water [% weight] | Negligible |
Specifications
| Appearance | White crystalline powder |
| Assay (by HPLC; on dried basis) | 98.0-102.0% |
| Solubility | Very slightly soluble in water, freely soluble in alcohol and methanol |
| Identification | - |
| By Infrared Absorption | Passes test |
| Melting range | 96 -99°C |
| Identification (by TLC) | Passes test |
| Absorbance at 258 nm | 0.44 to 0.47 |
| Identification ‘B’ | Passes IP test |
| Appearance of solution | Passes test |
| Colour of solution | Passes test |
| Acidity | Passes test |
| Sulphated ash | Max 0.1% |
| Related substance (by HPLC) | - |
| Impurity A | Max 0.5% |
| Unspecified impurities | Max 0.5% |
| Total impurities | Max 1.0% |
| Chlorides | Max 0.05% |
| Sulphates | Passes test |
| Loss on drying (5 hrs.over silica gel) | Max 0.5% |
Safety Information and Hazard Symbols
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