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Sigma-Aldrich

Methyl benzenesulfinate

98%

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About This Item

Linear Formula:
C6H5S(O)OCH3
CAS Number:
Molecular Weight:
156.20
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:

assay

98%

refractive index

n20/D 1.546 (lit.)

bp

79-83 °C/0.3 mmHg (lit.)

density

1.194 g/mL at 25 °C (lit.)

λmax

224 nm

SMILES string

COS(=O)c1ccccc1

InChI

1S/C7H8O2S/c1-9-10(8)7-5-3-2-4-6-7/h2-6H,1H3

InChI key

PSNSVDSRLUYDKF-UHFFFAOYSA-N

General description

Methyl benzenesulfinate is an ester of aromatic sulfinic acid. It reacts smoothly with thionyl chloride at room temperature to afford sulfinyl chloride and methyl chlorosulfonate.

Application

Methyl benzenesulfinate may be employed for the synthesis of symmetrical disulfides.

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

197.6 °F - closed cup

flash_point_c

92 °C - closed cup


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Metathetical Reactions of Silver Salts in Solution. II. The Synthesis of Alkyl Sulfonates1.
Emmons WD and Ferris AF.
Journal of the American Chemical Society, 75(5), 2257-2257 (1953)
Derivatives of Aromatic Sulfinic Acids. II. The Reaction of Thionyl Chloride with Sulfinic Esters1, 2.
Herbrandson HF, et al.
Journal of the American Chemical Society, 78(11), 2576-2578 (1956)
Reductive formation of disulfides from sulfenyl, sulfinyl, and sulfonyl derivatives using tri-n-propylamine and trichlorosilane.
Chan T-H, et al.
Journal of the American Chemical Society, 92(24), 7224-7225 (1970)

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