Chromium Trioxide 99% AR
Chromium(VI) oxide; Chromic anhydride ;Chromic Acid
Product Code. |
00808 |
Grade |
|
Purity |
99% |
CAS No. |
1333-82-0 |
Molecular Formula |
CrO3 |
Molecular Weight |
99.99 |
H.S.Code |
2819.10000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Reddish brown |
Odour |
Odorless |
| Melting point/ Freezing point [°C] |
196 °C |
Density [g/cm3] |
2.7 |
Solubility in water [% weight] |
63g/100g water @ 200C |
| Oxidising properties |
The substance or mixture is classified as oxidizing with the subcategory 1 |
Packaging
Specification
| Appearance | Reddish brown flakes |
| Assay (iodometric) | Min 99% |
| Insoluble matter in water | Max 0.01% |
| Chloride (Cl) | Max 0.005% |
| Sulphate (SO4) | Max 0.02% |
| Total nitrogen (N) | Max 0.005% |
| Lead (Pb) | Max 0.004% |
| Iron (Fe) | Max 0.01% |
| Copper (Cu) | Max 0.0005% |
| Sodium (Na) | Max 0.01% |
| Potassium (K) | Max 0.005% |
| Substance precipitated by NH3 | Max 0.02% |
Safety Information and Hazard Symbols
Symbol: GHS03, GHS05, GHS06, GHS08, GHS09
Signal Word: Danger
UN No.: 1463
IMCO Class No.: 5.1,6.1,8
Packing Group: II
Hazardous Statement: H271-H301-H311-H314-H317-H330-H334-H340-H350-H361f-H372-H410
Precaution Statement: P201-P220-P260-P273-P280-P284