6631. 3-Nitrosalicylic Acid

Nomenclature

CAS number: 85-38-1
2-Hydroxy-3-nitrobenzoic acid.
C7H5NO5; mol wt 183.12.
C 45.91%, H 2.75%, N 7.65%, O 43.69%.

Description and references

The 3- and 5-nitrosalicylic acids are formed by the nitration of salicylic acid with H2SO4 and HNO3.

Chemical structure

Derivative

Monohydrate.

Properties

Yellowish crystals. mp 123°; mp 148° when anhydr. Slightly sol in water; freely sol in alcohol, benzene, chloroform, ether.

Use

In dye chemistry.