AR grade Sodium chromate Na2CrO4
Name: Sodium chromate
Molecular formula: Na2CrO4.4H2O
Molecular weight: 161.97324
CAS No.: 7775-11-3
Packaging: Cardboard drum: 25KG/drum, 500g/bottle, 1000g/bottle
HazardClass: 6.1
PackingGroup: II
HS Code: 28415000
UN: 3290
Descriptions
Properties: Yellow crystal, relative density 1.483, soluble in water, easily deliquescent, slightly soluble in alcohol, melting point: 19.9°C.
Precautions: Toxic.
Uses: It is used as a general analytical reagent, oxidant, rust inhibitor, tanning agent, and mordant. It is also used for organic synthesis purposes, primarily in ink, printing, and dyeing, paint pigments, tanning, metal corrosion inhibitors, manufacturing other chromium salts, organic synthesis oxidants, and chemical reagents.
Sodium chromate Specification
Item Standard Value
Content 99.0%
Water Insoluble Matter 0.005%
Chloride (Cl) 0.004%
Sulfate (SO4) 0.1%
Potassium (K) 0.02%
Aluminum (Al) 0.005%
Calcium (Ca) 0.005%
