2,4-Difluoro-5-hydroxybenzoic acid CAS 91659-22-2

Purity 97%+In StockPharmaceutical Standards
CAS No.91659-22-2
Molecular FormulaC7H4F2O3
Molecular Weight174.10 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

2,4-Difluoro-5-hydroxybenzoic acid CAS 91659-22-2 chemical structure

Description

2,4-Difluoro-5-hydroxybenzoic acid (CAS 91659-22-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H4F2O3. Molecular weight: 174.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC7H4F2O3
Molecular Weight174.10 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1983
Halogen ContentF-containing

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