Food green 4:1
Name:C.I.Food green 4:1,C.I.44090:1
Molecular Structure:
Molecular Formula:C27H26N2O7S2
Molecular Weight: 554.63
CAS Registry Number:
Manufacturing Methods :(a) 4-(Dichloro(4-(dimethylamino)phenyl)methyl)-N,N-dimethylbenzenamine and Naphthalen-2-ol condensation, with hair smoke sulphonated sulfuric acid, and translated into aluminum salt;
(b) Bis (4 – (dimethylamino) phenyl) methanoland mie 3-Hydroxynaphthalene-2,7-disulfonic acid (or 7-Hydroxynaphthalene-1,3-disulfonic acid) condensation, product oxidation, and translated into aluminum salt.
Properties and Applications: blue light green.
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