Description

3,3',4,4'-Tetradehydro-1,1',2,2'-tetrahydro-1,1'-dimethoxy-2,2'-dioxo-ψ,ψ-carotene is a specialized carotenoid derivative of significant interest in advanced organic synthesis and materials science. This compound serves as a crucial synthetic intermediate for the development of novel pigments, dyes, and functional organic materials. It is primarily sought by research institutions and industrial R&D departments focused on fine chemical synthesis, photonics, and the development of high-performance colorants. Its unique conjugated structure offers valuable properties for applications requiring specific light-absorption characteristics.

Application

• Advanced Organic Synthesis: A key intermediate for constructing complex carotenoid analogs and polyene chains.
• Specialty Pigments & Dyes: Serves as a precursor for developing novel, high-stability colorants for niche industrial applications.
• Materials Science Research: Used in the study of conjugated systems for organic semiconductors and photonic materials.
• Photochemical Studies: Employed as a model compound to investigate light-induced reactions and degradation pathways of carotenoids.
• Reference Standard: Utilized in analytical laboratories as a high-purity standard for method development and quality control of related compounds.

Basic Information

Product Name	3,3',4,4'-Tetradehydro-1,1',2,2'-tetrahydro-1,1'-dimethoxy-2,2'-dioxo-ψ,ψ-carotene
CAS No.	1185-31-5
Molecular Formula	C₄₂H₅₄O₄
Molecular Weight	622.88 g/mol
Synonyms	ψ,ψ-Carotene, 3,3',4,4'-tetradehydro-1,1',2,2'-tetrahydro-1,1'-dimethoxy-2,2'-dioxo-; Dimethoxy-dioxo-tetrahydro-tetradehydro-ψ,ψ-carotene; Canthaxanthin dimethyl acetal (related derivative); 3,3',4,4'-Tetradehydro-β,β-carotene-1,1'-dimethoxy-2,2'-dione; All-trans-3,3',4,4'-tetradehydro-1,1',2,2'-tetrahydro-1,1'-dimethoxy-2,2'-dioxo-ψ,ψ-carotene
EINECS	Contact for details

Quality Control

Our production of 3,3',4,4'-Tetradehydro-1,1',2,2'-tetrahydro-1,1'-dimethoxy-2,2'-dioxo-ψ,ψ-carotene adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment, supporting research reproducibility and regulatory compliance.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C) to minimize oxidation and degradation. The container should be kept in a cool, dry, and well-ventilated area away from incompatible materials.

Specification

Item	Specification
Appearance	Orange to red crystalline powder or solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0% (Area %)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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