POTASSIUM CHROMATE 99.5% AR
Product Code | B-02090 | BRAND | Bio-Chem |
---|---|---|---|
Grade | AR | CAS No | 7789-00-6 |
Molecular Formula | K2CrO4 | Molecular Weight | 194.19 |
H.S.Code | 2841.50900 | Shelf Life | 60 Months |
Purity | 99.5 % |
Physical Properties
Physical state at 20 °C | Solid | Colour | Yellow |
---|---|---|---|
Solubility in water [% weight] | 69.9g/100 g water @ 200C | Odour | Odorless |
Density [g/cm3] | 2.73 | Melting point/ Freezing point [°C] | 971 °C |
pH Value | 8.5 - 10 at 50 g/l at 20 °C | Vapour density | 6.7 |
Boiling point [°C] | 1000°C |
Packaging
Specification
Appearance | Lemon yellow crystalline powder |
Assay (iodometric) | Min 99.5% |
Insoluble matter in water | Max 0.005% |
pH (5% solution in water) | 9.0 – 9.8 |
Chloride (Cl) | Max 0.001% |
Sulphate (SO4) | Max 0.01% |
Lead (Pb) | Max 0.005% |
Calcium (Ca) | Max 0.005% |
Sodium (Na) | Max 0.05% |
Safety Information and Hazard Symbols
Symbol: GHS07, GHS08, GHS09
Signal Word: Danger
UN No.: 3288
IMCO Class No.: 6.1
Packing Group: III
Hazardous Statement: H315-H317-H319-H335-H340-H350i-H410
Precaution Statement: P201-P261-P273-P280-P305 + P351 + P338-P308 + P313