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1,3-Oxathiolan-2-one, 5-methyl-, also known as 5-methyl-1,3-oxathiolan-2-one, is a heterocyclic organic compound with the chemical formula C4H7NO2S. It features a five-membered ring structure consisting of two oxygen atoms, one sulfur atom, and two carbon atoms, with a methyl group (CH3) attached to the fifth carbon atom. 1,3-Oxathiolan-2-one,5-methyl- is a derivative of 1,3-oxathiolan-2-one, which is a cyclic sulfone containing an oxygen atom and a sulfur atom in the ring. 5-methyl-1,3-oxathiolan-2-one is a colorless liquid with a molecular weight of 127.16 g/mol and a melting point of 34-36°C. It is used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly in the production of herbicides and insecticides. Due to its reactivity and potential applications, it is essential to handle 1,3-Oxathiolan-2-one,5-methyl- with care, following proper safety guidelines and regulations.

2953-56-2

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2953-56-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2953-56-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,5 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2953-56:
(6*2)+(5*9)+(4*5)+(3*3)+(2*5)+(1*6)=102
102 % 10 = 2
So 2953-56-2 is a valid CAS Registry Number.

2953-56-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-methyl-1,3-oxathiolan-2-one

1.2 Other means of identification

Product number -
Other names Propylen-monothiocarbonat

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:2953-56-2 SDS

2953-56-2Downstream Products

2953-56-2Relevant academic research and scientific papers

Regioselective and alternating copolymerization of carbonyl sulfide with racemic propylene oxide

Luo, Ming,Zhang, Xing-Hong,Du, Bin-Yang,Wang, Qi,Fan, Zhi-Qiang

, p. 5899 - 5904 (2013/09/02)

We report the first example of a regioregular and fully alternating poly (propylene monothiocarbonate) (PPMTC) from the well-controlled copolymerization of two asymmetric monomers, carbonyl sulfide and racemic propylene oxide, using (Salen)CrCl in conjunction with bis(triphenylphosphoranylidene)ammonium chloride. The maximum turnover of frequency of this catalyst system was 332 h-1 at 25 C. The contents of monothiocarbonate and tail-to-head linkages of PPMTC were up to 100% (based on 1H NMR spectra) and 99.0% (based on 13C NMR spectra), respectively. PPMTC samples have number-average molecular weight (Mn) up to 25.3 kg/mol with polydispersity index of 1.41. The very low decomposition temperature of 137 C and high refractive index of 1.63 of PPMTC make it a potential scarifying optical adhesive.

Cooperative catalysis with binary Lewis acid-Lewis base system for the coupling of carbon disulfide and epoxides

Wang, Yi-Ming,Li, Bo,Wang, Hui,Zhang, Zhi-Chao,Lu, Xiao-Bing

, p. 614 - 618 (2013/01/15)

The cycloaddition of epoxides with carbon disulfide proceeds effectively by using a binary catalyst system of tetradentate Schiff-base aluminum complexes (designated as salenAlX) as Lewis acid in connection with a nucleophilic co-catalyst, such as quatern

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