4-hydroxy-2-methylbenzenesulfonic acid sodium salt CAS 132281-59-5

Purity 97%+In StockPharmaceutical Standards
CAS No.132281-59-5
Molecular FormulaC7H7NaO4S
Molecular Weight210.18 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-hydroxy-2-methylbenzenesulfonic acid sodium salt CAS 132281-59-5 chemical structure

Description

4-hydroxy-2-methylbenzenesulfonic acid sodium salt (CAS 132281-59-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H7NaO4S. Molecular weight: 210.18 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC7H7NaO4S
Molecular Weight210.18 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1994
Sulfur Atoms1

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