Shaanxi Shangnan County Dongzheng Chemical Co., Ltd. 
1. Appearance
Dark red flaky solid
2. Physical and Chemical Properties
Melting point: 197°C (decomposition), specific gravity: 2.70, strong oxidizing properties, highly hygroscopic, significantly soluble in water, may cause combustion when in contact or friction with organic substances.
3. Application
Primary applications include chrome plating, wood preservatives, pharmaceuticals, catalysts, pigments, oxidizing agents, glass coloring, oxidation catalyst production, and textile dyeing mordants.
4. Product Information
English Name: Industrial Chromic Anhydride
CAS Number: 1333-82-0
Molecular Formula: CrO₃
Molecular Weight: 99.99
5. Product Categories and Quality Standards
Standard:GB1610-2009
Quality Index | Specification | ||
| Premium Grade | First Grade | Qualified Grade | |
| Chromic anhydride (as CrO₃), w/% ≥ | 99.80 | 99.60 | 99.20 |
| Sulfates (as SO₄²⁻), w/% ≤ | 0.05 | 0.10 | 0.20 |
| Sodium (as Na), w/% ≤ | 0.04 | —— | —— |
| Turbidity (NTU), ≤ | 5.00 | 15.00 | —— |
| Water-insoluble matter, w/% ≤ | 0.01 | 0.03 | 0.05 |
6. Packaging
Industrial chromic anhydride is packed in sealed iron drums, with a net weight of 50 kg per drum.
7. Storage
Keep away from flammable materials (such as oils, lubricants, alcohol, alkalis, etc.); during storage and transportation, keep dry, protect from heat, avoid impact and keep away from fire and flammable materials.
