METHYL BENZENESULFINATE

CAS No.：670-98-4

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
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METHYL BENZENESULFINATE Basic information

Product Name:	METHYL BENZENESULFINATE
Synonyms:	MeOS(O)Ph;Methylebenzenesulfinate;METHYL BENZENESULFINATE;Methyl benzenesulphinate;Benzenesulfinicacidmethylester;Methyl phenylsulfinate;Methyl benzenesulfinate 98%
CAS:	670-98-4
MF:	C7H8O2S
MW:	156.2
EINECS:
Product Categories:	Organic Building Blocks;Sulfonates/Sulfinates;Sulfur Compounds
Mol File:	670-98-4.mol

METHYL BENZENESULFINATE Chemical Properties

Boiling point	79-83 °C/0.3 mmHg (lit.)
density	1.194 g/mL at 25 °C (lit.)
refractive index	1.546
Fp	91°C
storage temp.	Inert atmosphere,Room Temperature
solubility	Chloroform (Slightly), Methanol (Slightly)
form	Liquid
color	Colorless to pale yellow
λmax	242nm(CCl4)(lit.)

Safety Information

WGK Germany	3
HS Code	2930909899

MSDS Information

METHYL BENZENESULFINATE Usage And Synthesis

Uses	Methyl Benzenesulfinate is a reagent used in the synthesis of sulfinyl compounds.
Uses	Methyl benzenesulfinate may be employed for the synthesis of symmetrical disulfides.
Synthesis Reference(s)	Organic Syntheses, Coll. Vol. 5, p. 723, 1973Tetrahedron Letters, 13, p. 5313, 1972 DOI: 10.1016/S0040-4039(01)85238-2
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.

METHYL BENZENESULFINATE Preparation Products And Raw materials

Raw materials	Carbamothioic acid, dimethyl-, S-phenyl ester-->BENZENESULFINYL CHLORIDE-->METHOXYMETHYL PHENYL SULFIDE-->BENZENESULFINIC ACID-->METHYL PHENYL SULFOXIDE-->Chlorosulfurous acid, methyl ester-->Methanol
Preparation Products	N-n-Butyl benzene sulfonamide-->BENZENETHIOSULFONIC ACID S-PHENYL ESTER

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