TIANJIN DONGLI DISTRICT MINGYANG CHEMICAL INDUSTRY CO.,LTD.
Add: Xu Zhuang Zi Industry Zone in DaBiZhuang Town,in DongLi District, Tianjin
Tel: +86(022)26219955 Fax: +86(022)26229955 http://www.tjmingyang.com
Chromium Trioxide
Molecular Formula: CrO3
Molecular weight: 99.99
Character: It is flake in red-brown, having specific gralling 2.67~2.82, and melting, point 197℃. It is easy to dissolve into water , ether, Having deliquescence and liberating oxygen at temperature 250℃, having high corrosicity and strong oxidizer. Connecting with organic substance and causing inflammation. Having toxicity.
Usage: Chromium Troxide is mainly used for plating, electrolysis for abstracting high pure chromium, also used for organic dye, synthetize cobber, grease refining, Catalytic agent industry etc.
Standard: GB/T1610-1999
| Items Index | High-class | First-fate | Qualified |
|
Chromic anhydride（CrO3）% ≥ |
99.7 |
99.5 |
99.0 |
|
Water insoluble matter % ≤ |
0.02 |
0.05 |
0.10 |
|
Sulphate Vitriol（in SO4） % ≤ |
0.06 |
0.15 |
0.30 |
|
Sodium （Na） % ≤ |
0.05 |
—— |
—— |
Packing & Caution: Lead drum hermatically-sealad package. Net weight 50KG package. Note dampness, heat prevention, separating from inflammables.