Chromium phosphate [CAS 13475-98-4]

There are several chromium phosphate products with different CAS numbers, so please be careful to ensure that you are ordering the correct product.

CAS 7789-04-0 (anhydrous): Chromium(III) phosphate, CrPO₄
The most common form is an anhydride. It is primarily used as a catalyst or pigment. The tetrahydrate and hexahydrate forms are not listed on the list of existing chemical substances, but are listed as an anhydride.

CAS 10101-59-4 (tetrahydrate): Chromium phosphate tetrahydrate, CrPO₄.4H₂O
A compound containing four water molecules, with different molecular weights and physical properties compared to the anhydride. It is primarily used as a pigment, catalyst, and coating material.

CAS 13475-98-4 (hexahydrate): Chromium phosphate hexahydrate, CrPO₄.6H₂O
- Contains six water molecules, making it a more stable hydrate, with differences in physical state and use. This is a product we sell.

In addition, existing chemical substances or chromium phosphate products with different CAS numbers
CAS 59178-46-0: Dichromium tris(hydrogen phosphate), Cr₂(HPO₄)₃ (2M grade)
CAS 27096-04-4: Chromium tris(dihydrogen phosphate), Cr(H₂PO₄)₃ Liquid (3M grade)
It can be imported and supplied.