What is Cr(NO3)3?

Cr(NO3)3 is the chemical formula for chromium (III) nitrate. This inorganic compound is generally found as chromium (III) nitrate nonahydrate. There are 9 water molecules that accompany this compound. The full chemical formula for this is Cr(NO3)3•9H2O.

This compound has industrial applications, generally related to dyeing uses. The hydrated compound Cr(NO3)3 is dark violet in color, while the anhydrous variety is green. The compound is often used in academic settings.

There are two noted hazards to working with chromium (III) nitrate. It is an oxidation danger; Cr(NO3)3 can feed an open flame. It is also a serious eye and skin irritant.