Physical Properties
Physical state at 20 °C | Solid | Odour | Odorless |
Melting point/ Freezing point [°C] | 170 – 172 °C | Solubility in water [% weight] | 150 g/l at 20 °C – completely soluble |
Colour | White crystalline | pH value | 1 – 2 at 150 g/l at 25 °C |
Density [g/cm3] | 1.76 | Vapour density | 5.18 |
Vapour density | 5.18 | Auto-ignition temperature [°C] | 425°C |
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Specifications
Appearance | White crystalline powder |
Assay | Min 99.5% |
Specific optical rotation ([α]20/D) | +12.0° to +12.8° |
Chloride (Cl) | Max 0.002% |
Sulphate (SO4) | Max 0.015% |
Oxalate (as C2H2O4) | Max 0.05% |
Heavy metal (as Pb) | Max 0.001% |
Copper (Cu) | Max 0.001% |
Zinc (Zn) | Max 0.001% |
Arsenic (As) | Max 0.0001% |
Loss on drying (at 105°C) | Max 0.5% |
Sulphated ash | Max 0.05% |
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