Description

Laccaic Acid C CAS NO 23241-56-7 is a high-purity, naturally derived anthraquinone pigment and a key component of lac dye. This compound matters for its vibrant red colorant properties and its role as a reference standard in analytical chemistry for quality control of natural dyes. Industries requiring natural pigments or precise analytical standards, such as food & beverage, cosmetics, pharmaceuticals, and histology, rely on this specific grade for consistent performance and reliable results.

Application

• Primary use as a high-purity analytical reference standard for the identification and quantification of lac dye components.
• Natural colorant for food and beverage applications (subject to regional regulatory approval).
• Pigment in high-quality cosmetics and personal care products, including lipsticks and blushes.
• Staining agent in microscopy and histology for biological tissues.
• Research and development of novel dyes and pigments in academic and industrial laboratories.
• Coloring agent for pharmaceutical coatings and formulations.

Basic Information

Product Name	Laccaic Acid C
CAS No.	23241-56-7
Molecular Formula	C₂₀H₁₄O₁₁
Molecular Weight	430.32 g/mol
Synonyms	Laccaic Acid C; Lac Dye Component C; Natural Red 25; CI 75450; Lac Color C; 2-Amino-3-hydroxy-1,4-anthraquinonyl-6-β-D-glucopyranoside; 1,4-Dihydroxy-2-[(2-hydroxy-4-methyl-5-oxo-2,5-dihydrofuran-3-yl)methyl]-9,10-anthraquinone-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our Laccaic Acid C is produced and tested under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles, typically determined by HPLC and spectroscopic methods. We support compliance with relevant standards for analytical reagents and can provide material suitable for use as a pharmacopeial reference standard.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Red to dark red powder
Identification (HPLC)	Conforms to reference standard
Identification (UV-Vis)	Conforms
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.