| Vitamin K3 | Leather auxiliaries | Chromium salts | Cement additives |
As a main form of Vitamin K, it can effectively change into K2 in the animal body, and plays a role | We now produce three series of leather chemicals: tanning agent series, fatliquor series and auxi | Chromium salts mainly includes sodium dichromate, potassium dichromate, chromic anhydride and Chrom | HP-300 Concrete pumping agent is a Naphthalene-grouping & high efficient water reducing agent, |
Yunnan Luliang Chemical Industry Co.,Ltd
Molecular formula:Na2Cr2O7•2H2O
Molecular weight:298.00
1. Properties:bright orange red needle-like crystal. Dehydration at 84.6°C and become a copper brown anhydrous matter, decompound at 400°C.
2. Index of uniformity
| Index Item | Index (HG/T2324-2005) | ||
| Top grade | First grade | Qualified product | |
| Na2Cr2O7•2H2O,% ≥ | 99.5 | 98.3 | 98.0 |
| Sulfate (SO4),% ≤ | 0.20 | 0.30 | 0.40 |
| Chloride (as CL),% ≤ | 0.07 | 0.10 | 0.20 |
3. Uses:Mainly used in the manufacturing of chromic anhydride and other chromate, chrome yellow pigment, also can be used in tanning, metal etching and purification, corrosion inhibitor of cooling circulating water, also used in fabric mordant, wood preservation, oil bleaching. It also can be used in synthetic perfume, medicine and dye and other organic synthetic fields as oxidant.
4. Packing:High strength composite bag, 50KG.