9184. 3,4,5,6-Tetrabromo-o-cresol

Nomenclature

CAS number: 576-55-6
C7H4Br4O; mol wt 423.72.
C 19.84%, H 0.95%, Br 75.43%, O 3.78%.

Description and references

Prepd by bromination of o-cresol or its methyl or ethyl ether: Zincke, Hedenstr"om, Ann. 350, 269 (1906); Bonneaud, Bull. Soc. Chim. Fr. 7, 776 (1910); Treacy, US 2319960 (1943 to Merck & Co.).

Chemical structure

Properties

White to buff, cryst powder, mp 205-208° with dec. Practically insol in water. Sol in alcohol, ether, alkali hydroxides.

Derivative

Acetate.
C9H6Br4O2; mol wt 465.76.
C 23.21%, H 1.30%, Br 68.62%, O 6.87%.

Properties

Needles from dil alcohol, mp 154°. Slightly sol in alcohol and glacial acetic acid.

Caution

Irritating to skin, mucous membranes.

Use

Fungicide.