3-Methylsulfonyl benzoic acid

3-Methylsulfonyl benzoic acid

CAS No.: 18596-43-5
Molecular Formula: C₈H₈O₄S
Molecular Weight: 200.21 g/mol
Appearance: White to off-white crystalline powder
Purity: ≥98% (HPLC)
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Product Description

3-(Methylsulfonyl)benzoic acid is an important organic intermediate with a melting point of 180-183°C (lit.). It is soluble in polar solvents such as DMSO, methanol, and ethanol, but poorly soluble in water. This compound is widely used in:
Pharmaceutical synthesis (e.g., as a precursor for COX-2 inhibitors and other bioactive molecules).
Material science (e.g., polymer modification and functional materials).
Organic transformations (e.g., carboxylation and sulfonylation reactions).
Storage conditions: Sealed in a dry, cool place (2-8°C recommended).
Safety notes: May cause skin/eye irritation (Xi hazard symbol). Avoid inhalation and direct contact.

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