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2-Anthracenecarboxylicacid, 7-b-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo- (476-39-1)

Identification
Name:2-Anthracenecarboxylicacid, 7-b-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-
Synonyms:2-Anthroicacid, 7-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-(7CI); Carminic acid (6CI,8CI); C.I. 75470; C.I. Natural Red 4; Carmine 5297;Cochineal Red PWD; E 120; E 120 (dye); NSC 326224; Natural Red 4; San Red 1;San-Ei Gen San Red 1; Sun Red 1; Sun Red No. 1
CAS:476-39-1
Molecular Formula: C22H20O13
Molecular Weight: 0
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)/t7-,14-,19+,20-,21-/m1/s1
Molecular Structure: (C22H20O13) 2-Anthroicacid, 7-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-(7CI); Carm...
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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