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Carminic acid, 5 g

Product Description

Carminic acid is aglucosidal coloring matter. The essential constituent of carmine. A pH indicator.

Application Notes

Typical Uses:
1. Free acid in color photography
2. Pigment for artists' paints
3. As bacteriology stain
4. Rarely now as acid-base indicator or as oxidimetric indicator
5. As a reagent for aluminum
6. As a complexing agent for cations.

Usage Statement

Unless specified otherwise, MP Biomedical's products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department.

Key Applications

Bacteriology stain | Reagent for aluminum

Specifications

SKU	0215494205
Alternate Names	C.I. 75470; Natural Red 4; 7-α-D-Glucopyranosyl-9,10-dihydro-3,5,6,8-tetrahydroxy-1-methyl- 9,10-dioxo-2- anthracenecarboxylic acid
Application Notes	Typical Uses: 1. Free acid in color photography 2. Pigment for artists' paints 3. As bacteriology stain 4. Rarely now as acid-base indicator or as oxidimetric indicator 5. As a reagent for aluminum 6. As a complexing agent for cations.
Base Catalog Number	15494205
Beilstein Registry Number	71651
CAS #	1260-17-9
EC Number	215-023-3
Molecular Formula	C₂₂H₂₀O₁₃
Molecular Weight	492.4
Optical Rotation	[α]20/D +3.1°, c = 1 in H<sub>2</sub>O (Lit.)
Pack Size	5 g
Personal Protective Equipment	Eyeshields, Gloves, respirator filter
pH	Visual Transition Inverval: 4.8 (yellow to violet) to 6.2 (deep red)
Solubility	Soluble in water (4 mg/mL), ethanol (2 mg/mL), methanol or in 1N NaOH (1:1).
Usage Statement	Unless specified otherwise, MP Biomedical's products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department.
UV Visible Absorbance	λ max (water) 490 - 491 nm

Documents

Datasheet

DS [02154942]