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Red No.202
| Legal color: | Red No.202 | | General name: | Lithol Rubine BCA | | Class: | Pigment | | FDA : | D & C Red No.7 | | CI #: | C.I. 15850 | | Color #: | Pig. Red 57 | | CAS #: | 5281-04-9 | | CAS : | 2-Naphthalenecarboxylic acid,3-hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-,disodium salt | | IUPAC: | →1;Calcium bis[2-(3-carboxy-2-hydroxynephthylazo)-5-methylbenzenesulfonate]
→2;2-(3-Carboxy-2-hydroxynephthylazo)-5-methylbenzenesulfonic acid calcium salt (2:1) |
| Chemical structure : |  
Lithol Rubine BCA |
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