Description

2,3'-Dihydroxy-β,β-Carotene-4,4'-Dione is a specialized carotenoid derivative, a key intermediate in the synthesis of valuable pigments and bioactive compounds. Its significance lies in its role as a precursor for high-value colorants and antioxidants used in premium applications. This product is essential for manufacturers in the nutraceutical, cosmetic, and food ingredient sectors seeking to develop stable, natural color and functional additive solutions.

Application

• Nutraceutical Ingredient Synthesis: A critical intermediate in the production of specialized carotenoid-based dietary supplements and antioxidant formulations.
• Natural Food Colorant Production: Used in the manufacture of stable, natural red and orange colorants for beverages, confectionery, and dairy products.
• Cosmetic & Personal Care Actives: Serves as a precursor for pigments and anti-aging compounds in premium skincare and makeup products.
• Animal Feed Additives: Employed in the synthesis of pigments for poultry feed to enhance egg yolk and skin coloration.
• Pharmaceutical Research: Utilized as a reference standard and building block in the research of retinoid-like compounds and photoprotective agents.
• Functional Beverage Development: A key component in creating fortified drinks with enhanced visual appeal and antioxidant properties.

Basic Information

Product Name	2,3'-Dihydroxy-β,β-Carotene-4,4'-Dione
CAS No.	70858-54-7
Molecular Formula	C₄₀H₅₂O₄
Molecular Weight	596.85 g/mol
Synonyms	2,3'-Dihydroxy-beta,β-carotene-4,4'-dione; 3-Hydroxycanthaxanthin; 2,3'-Dihydroxyechinenone; 4,4'-Diketo-3-hydroxy-β-carotene; 3-Hydroxy-4,4'-diketo-β-carotene; Adonirubin; Phoenicoxanthin
EINECS	Contact for details

Quality Control

Our 2,3'-Dihydroxy-β,β-Carotene-4,4'-Dione is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments. Our quality commitment aligns with standards relevant to food, cosmetic, and nutraceutical ingredient markets.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at controlled room temperature (15-25°C) in a cool, dry, and well-ventilated area. Keep away from oxidizing agents and strong acids. Due to its light-sensitive and easily oxidized nature, minimize exposure to air and light during handling.

Specification

Item	Specification
Appearance	Red to orange-red crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 5.0%

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