POTASSIUM CHROMATE 99 % EXTRAPURE
| Product Code | B-02089 | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | EXTRAPURE | CAS No | 7789-00-6 |
| Molecular Formula | K2CrO4 | Molecular Weight | 194.19 |
| H.S.Code | 2841.50900 | Shelf Life | 60 Months |
| Purity | 99 % |
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 (oxidimetric) | Min 99% |
| Chloride (Cl) | Max 0.005% |
| Sulphate (SO4) | Max 0.05% |
| Sodium (Na) | Max 0.5% |
| Calcium (Ca) | Max 0.05% |
| Loss on drying (at 105°C) | Max 0.5% |
| pH (5% solution in water) | 8.6 – 9.8 |
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