1,4,7,8-Tetrachlorodibenzo-p-dioxin CAS 40581-94-0

Purity 97%+In StockPharmaceutical Standards
CAS No.40581-94-0
Molecular FormulaC12H4Cl4O2
Molecular Weight321.97 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

1,4,7,8-Tetrachlorodibenzo-p-dioxin CAS 40581-94-0 chemical structure

Description

1,4,7,8-Tetrachlorodibenzo-p-dioxin (CAS 40581-94-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H4Cl4O2. Molecular weight: 321.97 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC12H4Cl4O2
Molecular Weight321.97 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1968
Halogen ContentCl-containing

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