Physical Properties
Physical state at 20 °C | Solid | Odour | Faint pleasant odor |
Melting point/ Freezing point [°C] | 121 – 125 °C | Solubility in water [% weight] | 2.9 g/l at 25 °C |
Colour | White crystalline | Density [g/cm3] | 1.32 |
pH value | 2.5 – 3.5 | Vapour density | 9.06 |
Boiling point [°C] | 249° C | Flash point [°C] | 121 °C |
Safety Information and Hazard Symbols
Symbol: GHS05, GHS08
Signal Word: Danger
Hazardous Statement: H315-H318-H372
Precaution Statement: P260-P280-P305 + P351 + P338 + P310
Signal Word: Danger
Hazardous Statement: H315-H318-H372
Precaution Statement: P260-P280-P305 + P351 + P338 + P310
Specifications
Appearance | A white, crystalline powder or colourless crystals |
Assay (alkalimetric; on dried basis) | Min 99.5% |
Infrared spectrum | Conforms to Structure |
Melting point | 122 – 123°C |
Substance insoluble in methanol | Max 0.005% |
Sulphated ash | Max 0.005% |
Chloride (Cl) | Max 0.005% |
Sulphate (SO4) | Max 0.002% |
Iron (Fe) | Max 0.0002% |
Heavy metal (as Pb) | Max 0.0005% |
Substance reducing KMnO4 (as O) | Passes ACS test |
Halogenated compounds (as Cl) | Max 0.005% |
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