Description

Alkannin is a natural naphthoquinone pigment derived from the roots of plants in the *Alkanna* and *Lithospermum* genera. This compound serves as a vital colorant and bioactive ingredient with significant commercial and research value. It is primarily sought by manufacturers in the cosmetics, nutraceutical, pharmaceutical, and textile industries for its unique properties.

Application

• Natural Colorant for Cosmetics: Used in lipsticks, blushes, and other makeup products to provide red to purple hues.
• Pharmaceutical Intermediate: Serves as a key starting material or active component in the synthesis of certain therapeutic agents.
• Textile Dyeing: Employed as a natural dye for fabrics, offering an alternative to synthetic colorants.
• Nutraceutical Formulations: Incorporated into dietary supplements for its potential antioxidant properties.
• Research & Development: Used in biochemical and pharmacological studies to investigate its biological activities.
• Food-Grade Coloring (where approved): Potential application in coloring food products, subject to regional regulatory compliance.

Basic Information

Product Name	Alkannin
CAS No.	517-88-4
Molecular Formula	C₁₆H₁₆O₅
Molecular Weight	288.29 g/mol
Synonyms	Alkannin; Anchusa acid; (R)-5,8-Dihydroxy-2-(1-hydroxy-4-methylpent-3-en-1-yl)-1,4-naphthoquinone; Shikonin enantiomer; D-Alkannin; Anchusin; Alkanna red; C.I. 75530; Natural Red 20
EINECS	208-234-8

Quality Control

Our Alkannin is produced and tested under strict quality management systems. We ensure batch-to-batch consistency through comprehensive analytical protocols including HPLC for purity and identity confirmation. A Certificate of Analysis (COA) detailing purity, heavy metals, residual solvents, and microbiological data is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Reddish-brown to dark purple powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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