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Product:
Chromium (III) nitrate nonahydrate
Formula:
Cr(NO3)3.9H2O
CAS No.:
7789-02-8
Product No.:
SP1234
Package:
25Kg/Drum or in terms of customer's requirements.

Physicochemical Properties

It is violet to blak crystals,soluble in water, acid, alkali, ethanol and acetone.

 

Specification

ITEM

CATALYST GRADE

INDUSTRIAL GRADE

Appearance

Purplish red to black crystals

Purplish red to black crystals

Cr(NO3)3.9H2O %

≥98.0

≥98.0

CI %

≤0.01

0.05

Water insoluble substance

≤0.02

0.1

SO4 %

≤0.02

0.05

AI %

0.05

--

Ca %

0.01

--

Fe %

0.01

--

K %

0.1

--

Na %

0.1

--

 

Applications and Usages

It is commonly used in the preparation of chromium containing catalyst, as coal dye in printing and dyeing industry, as glaze and corrosion inhibitor for glass and ceramics.