| Identification | |
| Name: | FEMA No. 2242 |
| Synonyms: | Carmine;Cochineal;Natural red 4;CARMINIC ACID;Cochineal (dye);Cochineal tincture;1390-65-4;C.I. Natural red 4;C.I. 75470;NSC326224;B Rose liquid;CARMINE para;E 120;CARMINATE BORAX;Cochineal extract lake;AC1L24UU;Carmine (Coccus cacti L.);Cochineal (Coccus cacti L.);FEMA No. 2242;FEMA No. 2330;CCRIS 1204;CHEMBL307221;1343-78-8;EINECS 215-724-4;NSC-326224;LS-52544;2-Anthracenecarboxylic acid,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-;1,5-anhydro-1-(7-carboxy-1,3,4,6-tetrahydroxy-8-methyl-9,10-dioxo-9,10-dihydroanthracen-2-yl)hexitol;1-Anthroic acid,10-dihydro-2,5,7,8-tetrahydroxy-4-methyl-9,10-dioxo-6-(2,3,4,5-tetrahydroxyhexanoyl)-;3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid |
| CAS: | 8022-93-3 |
| Molecular Formula: | C22H20O13 |
| Molecular Weight: | 492.3864 |
| InChI: | InChI=1S/C22H20O13/c1-4-8-5(2-6(24)9(4)22(33)34)13(25)10-11(15(8)27)16(28)12(18(30)17(10)29)21-20(32)19(31)14(26)7(3-23)35-21/h2,7,14,19-21,23-24,26,28-32H,3H2,1H3,(H,33,34) |
| Molecular Structure: |  |
| Properties | |
| Melting Point: | 136 deg C dec |
| Solubility: | SOL IN WATER, ALCOHOL, CONCENTRATED SULFURIC ACID; SLIGHTLY SOL IN ETHER; PRACTICALLY INSOL IN PETROLEUM ETHER, BENZENE, CHLOROFORM |
| Color: | RED MONOCLINIC PRISMS FROM AQ METHANOL DARK, PURPLISH-BROWN MASS OR BRIGHT-RED POWDER DEEP RED COLOR IN WATER; YELLOW TO VIOLET IN ACID SOLN |
| Safety Data | |
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