Product name: Sodium chromate
ID:B13
CAS No.:7775-11-3
Molecular formula: Na2CrO4 ?4H2O
Purity: 99%min
Property: Yellow crystal, relative density is 1.483, soluble in water, slightly soluble in alcohol, melting point is 19.9℃.
Molecular weight: 253.33
Use: Production of chemical reagent, pigment, corrosion inhibitor.
Technical index |
Item | Standard value |
Content | ≥99% |
Water insoluble matter | ≤0.01% |
Chloride (Cl) | ≤0.004% |
Sulfate (SO4) | ≤0.01% |
Potassium (K) | ≤0.02% |
Aluminium (Al) | ≤0.01% |
Calcium (Ca) | ≤0.01% |