Tetrachlorophthalic acid, bis-methyl ester CAS 20098-41-3

Purity >95%In StockPharmaceutical Standards
CAS No.20098-41-3
Molecular FormulaC10H6Cl4O4
Molecular Weight331.96 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

Tetrachlorophthalic acid, bis-methyl ester CAS 20098-41-3 chemical structure

Description

Tetrachlorophthalic acid, bis-methyl ester (CAS 20098-41-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H6Cl4O4. Molecular weight: 331.96 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC10H6Cl4O4
Molecular Weight331.96 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity>95%
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Halogen ContentCl-containing

Related Tetrachlorophthalic Standards

Recommended Standards

Why CATO?