3281. 2,5-Dinitrophenol

Nomenclature

CAS number: 329-71-5

Description and references

Review of toxicology and human exposure: Toxicological Profile for Dinitrophenols (PB95-264339, 1995) 262 pp.

Properties

Yellow crystals. mp 108°; also stated as 104°. Slightly sol in water or cold alcohol; sol in hot alcohol, ether, fixed alkali hydroxides.

Use

Manuf dyes and organic chemicals, as indicator. pH range: 4.0 colorless, 5.4 yellow.