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Cochineal (dye) (1343-78-8)

Identification
Name:Cochineal (dye)
Synonyms:Cochineal(6CI);Cochineal solution;Cochineal tincture;Enji;Starred KL;
CAS:1343-78-8
EINECS: 215-680-6
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: (C22H20O13) Cochineal(6CI);Cochineal solution;Cochineal tincture;Enji;Starred KL;
Properties
Melting Point: 136 deg C dec
Water Solubility:Freely soluble in water
Solubility:Freely soluble in water
Appearance:Dark red liquid
Specification:

  The chemical synonyms of 3,5,6,8-Tetrahydroxy-1-methyl-9,10-dioxo-7-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid (1343-78-8) are C. I. 75470 ; CCRIS 4511 ; Cochenille dye ; Cochineal ; Cochineal (dye) ; Cochineal concentrate -7-fold ; Cochineal concentrate type M ; Cochineal concentrate type P ; Cochineal solution ; Cochineal tincture ; EINECS 215-680-6 ; ENJI ; UNII-TZ8Z31B35M .It may cause eye irritation.May cause skin irritation.No hazard expected in normal industrial use. The toxicological properties of this substance have not been fully investigated.May cause respiratory tract irritation.It shoud avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.Store in a cool, dry place. Store in a tightly closed container.
 

Report:

Reported in EPA TSCA Inventory.

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