USPUSP-NF
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Brown HT
Chocolate Brown HT
CI Food Brown 3
CI No. 20285
Class: Bis-azo
Disodium 4,4'-(2,4-dihydroxy-5-hydroxymethyl-1,3-phenylene-bisazo) di-1-naphthalene-sulfonate C27H18N4Na2O9S2 Formula wt 652.57
155 [4553-89-3]

DESCRIPTION

Brown HT occurs as a brown powder or granules. It is principally the disodium salt of 4,4'-(2,4-dihydroxy-5-hydroxymethyl-1,3-phenylene-bisazo) di-1-naphthalene-sulfonate and subsidiary coloring matters with sodium chloride and/or sodium sulfate as the principal uncolored components. It is soluble in water and insoluble in ethanol.

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