13-03047. Dibromogallic Acid [Archived]

Nomenclature

CAS number: 602-92-6
2,6-Dibromo-3,4,5-trihydroxybenzoic acid; 2,6-dibromogallic acid; gallobromol.
C7H4Br2O5; mol wt 327.91.
C 25.64%, H 1.23%, Br 48.74%, O 24.40%.

Description and references

Prepd by bromination of gallic acid: Etti, Ber. 11, 1879 (1878).

Chemical structure

Properties

Light-brown powder or crystals; crystallizes from water with one H2O which it loses at 120°. mp 150°, also stated as ≈140° with decompn. Soluble in 8 parts cold water, 0.5 part boiling water; freely sol in alcohol, ether; practically insol in chloroform.

Status

This monograph has been retired and is no longer subject to revision or update.