Carminic Acid CAS 1260-17-9 - Deshang Chemical

CAS number：1260-17-9
molecular formula：C22H20O13
molecular weight：492.39
EINECS number：215-023-3

English synonyms:

Carminic Acid ;3,5,6,8-Tetrahydroxy-1-methyl-9,10-dioxo-7-((2S,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)-9,10-dihydroanthracene-2-carboxylic acid;Carminic acid (C.I. 75470) GR for analysis and for microscopy;ALUMINUM LAKE OF CARMINIC ACID;2-anthracenecarboxylicacid,7-beta-d-glucopyranosyl-9,10-dihydro-3,5,6,8-tetra;7-.beta.-D-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-2-Anthracenecarboxylicacid;7-alpha-d-glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo;C.I.Naturalred4

Related categories

Food Colors; Food Colors; Plant Extracts; Colorants; Analytical Reagents - Indicators; General Biochemical Reagents - Carbohydrates; Anthraquinones; Biochemistry; Glucose; Glycosides; Di-Terpenoids; Hydroxyanthraquinones; Chemicals;Pharmaceuticals

Introduction

food coloring. Mainly used for: carbonated drinks, sausages, western-style ham, pudding snacks, yogurt, candy, sauce, ice cream, ice cream, popsicles, flavored milk powder, fried potato chips seasoning, fried potato chips, puffed ready-to-eat breakfast cereals, Flavored condensed milk, fruit juice, pulp drink, frozen drink, bread powder, bread crumbs. It was used to dye wool in ancient times, and it is also a good daily chemical dye.

Chemical properties

Melting point	136 °C
Boiling point	506.2°C (rough estimate)
Specific optical rotation	15654 +51.6° (water)
Density	1.4504 (rough estimate)
Refractive index	1.6000 (estimate)
Flash point	12℃
Storage conditions	room temp
Solubility	30g/l
Shape	Crystalline Powder
Color index	75470
Acidity coefficient(pKa)	1.62±0.20(Predicted)
Color	Red to dark red
Odor	Odorless
Acid-base indicator discoloration pH value range	4.8 - 6.2
pH value	1.6 (10g/l, H2O, 20℃)
Hptical activity	[α]20/D +3.1°, c = 1 in H2O
Water solubility	1.298g/L(room temperature)
Merck	14,1843
BRN	71651
CAS database	1260-17-9

Use

● food coloring. Mainly used for: carbonated drinks, sausages, western-style ham, pudding snacks, yogurt, candy, sauce, ice cream, ice cream, popsicles, flavored milk powder, fried potato chips seasoning, fried potato chips, puffed ready-to-eat breakfast cereals, Flavored condensed milk, fruit juice, pulp drink, frozen drink, bread powder, bread crumbs. It was used to dye wool in ancient times, and it is also a good daily chemical dye.