|
|
Red No.221
| Legal color: | Red No.221 |
| General Name: | Toluidine Red |
| Class: | Pigment |
| FDA: | (D & C Red No.35) |
| CI #: | C.I. 12120 |
| Color #: | Pig. Red 3 |
| CAS #: | 2425-85-6 |
| CAS: | 2-Naphthalenol,1-[(4-methyl-2-nitrophenyl)azo]- |
| IUPAC: | →1;1-(4-Methyl-2-nitrophenylazo)-2-naphthol |
| Chemical structure： |  
Toluidine Red |
|
