Brown HT is a synthetic food colorant, also known as Chocolate Brown HT or CI Food Brown 3. It is a disodium salt compound containing naphthalene sulfonate and hydrazone functional groups, commonly used to impart a brown hue in food products.
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CAS 4553-89-3
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disodium;4-[2-[3-(hydroxymethyl)-4,6-dioxo-5-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]cyclohex-2-en-1-ylidene]hydrazinyl]naphthalene-1-sulfonate
TUQJHVRCALPCHU-UHFFFAOYSA-L
C1=CC=C2C(=C1)C(=CC=C2S(=O)(=O)[O-])NN=C3C=C(C(=O)C(=NNC4=CC=C(C5=CC=CC=C54)S(=O)(=O)[O-])C3=O)CO.[Na+].[Na+]