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460893

Sigma-Aldrich

Methyl benzenesulfinate

98%

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About This Item

Linear Formula:
C6H5S(O)OCH3
CAS Number:
670-98-4
Molecular Weight:
156.20
MDL number:
MFCD00674051
UNSPSC Code:
12352100
PubChem Substance ID:
24869765

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.[1]

Application

Methyl benzenesulfinate may be employed for the synthesis of symmetrical disulfides.[2]

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

197.6 °F - closed cup

Flash Point(C)

92 °C - closed cup

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

FSL

Group 4: Flammable liquids
Type 3 petroleums
Hazardous rank III
Water insoluble liquid

JAN Code

460893-BULK:
460893-5ML:
460893-25ML:
460893-VAR:

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Certificates of Analysis (COA)

Lot/Batch Number
SHBG2606V
26796CM
20396CM
MKBC8743
07718JE

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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)
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)

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