Chemical Product Library / Reference
FD&C Red No. 2
Chemical identity, technical indicators, performance and application reference. Confirm specifications and regulatory suitability against supplier documentation.
Chemical identity
| English name | FD&C Red No. 2 |
|---|---|
| English synonyms | amaranth acid;Amaranth (free acid);Amaranth S;Bordeaux S;3-hydroxy-4-[(4-sulfonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonic acid;C.I. Food Red 9;FD and C Red No. 2;3-hydroxy-4-[(4-sulphonaphthyl)azo]naphthalene-2,7-disulphonic acid;Amaranthe;Bordeaux;Aizen Amaranth;Amacid Amaranth |
| Chinese name | 苋菜红 |
| Chinese synonyms | Not provided |
| Chemical category | Dyes |
| CAS No. | 642-59-1 |
| EINECS No. | Not provided |
| Molecular formula | C20H14N2O10S3 |
| Molecular weight | 538.5 |
PubChem structure images are reference depictions, not proof of composition, purity, grade, or regulatory status. Mixtures and polymers may not have a single representative structure.
Technical indicators
Not provided
Performance characteristics
XLogP3 2.6; hydrogen-bond donors 4; hydrogen-bond acceptors 12; TPSA 233 A^2; rotatable bonds 5
Application scenarios
Not provided