Name | [7-hydroxy-8-[(4-sulpho-1-naphthyl)azo]naphthalene-1,3-disulphonato(3-)]aluminium |
Synonyms | Ponceau 4R Lake Einecs 240-008-3 Cochineal carmine 2-Hydroxy-[1,1'-azobisnaphthalene]-4',6,8-trisulfonic acid aluminum salt [7-hydroxy-8-[(4-sulpho-1-naphthyl)azo]naphthalene-1,3-disulphonato(3-)]aluminium Aluminum, 7-hydroxy-8-(4-sulfo-1-naphthalenyl)azo-1,3-naphthalenedisulfonato(3-)- [7-Hydroxy-8-[(4-sulfo-1-naphthalenyl)azo]-1,3-naphthalenedisulfonic acid]aluminum salt |
CAS | 15876-47-8 |
EINECS | 240-008-3 |
Molecular Formula | C20H14AlN2O10S3 |
Molar Mass | 565.509098 |
Density | 1.81[at 20℃] |
Boling Point | 808.06℃[at 101 325 Pa] |
Water Solubility | 307.7μg/L at 25℃ |
Vapor Presure | 0Pa at 25℃ |
LogP | 2.31 at 25℃ |
Overview | compared with natural pigment, Carmine as a kind of artificial synthetic pigment, has bright color, good stability, strong coloring, suitable for color, easy to dissolve, uniform quality, odorless and tasteless advantages. |