Ammonium chromate 

(NH₄)₂CrO₄

CAS-No. 7788-98-9 EC-No. 232-138-4 HS-No. 2841500000

M = 152.07 g/mol Spec. density 1.8 g/cm³

   R 49-43-50/53 S 53-45-60-61 UN 1479

Ammonium chromate  AR

Specification  Q/GDGH 356-2005

Assay

>=99.5%

Clarity of solution

Pass

Insoluble matter in water

<=0.003%

Chloride(Cl)

<=0.001%

Sulfate(SO₄)

<=0.015%

Calcium(Ca)

<=0.004%

Alkali metals