Industrial & Laboratory Chemical
Sodium Chromate is a specialty inorganic chemical supplied by ARASCO Conster Action Limited to customers in petroleum, metal treatment, pigment manufacturing, and chemical processing industries.
Sodium Chromate (chemical formula Na₂CrO₄, CAS No. 7775-11-3) is a bright yellow, crystalline inorganic salt with a molecular weight of 161.97 g/mol, freely soluble in water. It is a strong oxidizing agent and serves as a key intermediate in the production of other chromium compounds, including sodium dichromate.
| Property | Technical Grade | Pure / ACS Reagent Grade |
|---|---|---|
| Assay (Na₂CrO₄) | ~98% min | 99% min |
| Appearance | Yellow crystalline powder | Bright yellow crystalline powder |
| Solubility | Freely soluble in water | Freely soluble in water; insoluble in alcohol |
| pH (1% solution) | 8.0 – 9.5 | 8.0 – 9.5 |
| Acidity (as HCl) | — | 0.2% max |
| Insoluble Matter | — | 0.005% max |
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