2,3,6,7-Tetrachloronaphthalene CAS 34588-40-4

Purity 97%+In StockPharmaceutical Standards
CAS No.34588-40-4
Molecular FormulaC10H4Cl4
Molecular Weight265.95 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,3,6,7-Tetrachloronaphthalene CAS 34588-40-4 chemical structure

Description

2,3,6,7-Tetrachloronaphthalene (CAS 34588-40-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H4Cl4. Molecular weight: 265.95 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC10H4Cl4
Molecular Weight265.95 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, protect from light, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1966
Halogen ContentCl-containing

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