Shaanxi Shangnan County Dongzheng Chemical Co., Ltd. 
I. Appearance:
Lemon yellow crystals.
II. Physical and Chemical Properties:
Strong oxidizer, alkaline in aqueous solution, insoluble in alcohol.
III. Applications:
It is used in the manufacture of chromates for metal rust inhibitors, as an oxidizing agent and a mordant in dyeing and printing, widely applied in inks, pigments, enamels, metal corrosion protection, and other fields.
IV. Product Information
English Name: Potassium Chromate
Molecular Formula: K₂CrO₄
Molecular Weight: 194.20
V. Product Category and Quality Standards
Standard: HG/T 4313-2012
Quality Index | Specification | |
First Grade | Qualified Grade | |
| Potassium Chromate (as K₂CrO₄), w/% ≥ | 99.50 | 98.50 |
Chlorides (as Cl), w/% ≤ | 0.10 | 0.20 |
| Sulfates (as SO₄), w/% ≤ | 0.20 | 0.30 |
Water Insolubles, w/% ≤ | 0.02 | 0.03 |
VI. Packaging:
25kg reinforced woven poly bags with polyethylene liner.
VII. Storage:
Store in a cool, well-ventilated warehouse, away from ignition source and heat. Avoid direct sunlight. Maintain water-resistant sealing in original packaging. Segregated from reducing agents, flammables, and food chemicals. Empty containers may retain hazardous residues and shall undergo cleaning/decontamination prior to disposal.
