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Dimethyl(thioxo)phosphonium, also known as dimethylthiophosphoryl chloride or (dimethylamino)(thioxo)phosphanium, is a chemical compound with the molecular formula (CH3)2P(S)Cl. It is a colorless to pale yellow liquid that is soluble in organic solvents. dimethyl(thioxo)phosphonium is primarily used as a reagent in the synthesis of various organophosphorus compounds, particularly in the preparation of pesticides and other agrochemicals. It is also employed in the production of flame retardants and as a catalyst in certain chemical reactions. Due to its reactivity, dimethyl(thioxo)phosphonium is considered hazardous and requires careful handling and storage to prevent exposure and environmental contamination.

6591-05-5

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6591-05-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6591-05-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,9 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6591-05:
(6*6)+(5*5)+(4*9)+(3*1)+(2*0)+(1*5)=105
105 % 10 = 5
So 6591-05-5 is a valid CAS Registry Number.

6591-05-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name dimethyl-Phosphine sulfide

1.2 Other means of identification

Product number -
Other names -

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

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

More Details:6591-05-5 SDS

6591-05-5Relevant academic research and scientific papers

Metal-catalyzed phosphinyl ester forming reaction of alcohols and phenols with diphosphine disulfides and a dioxide

Arisawa, Mieko,Yamaguchi, Masahiko

experimental part, p. 4840 - 4842 (2010/10/02)

Transition metal complexes catalyzed the dialkylphosphinothioation reaction of alcohols and phenols with tetraalkyldiphosphine disulfides in high yields. Phenols were reacted in the presence of RhH(PPh3)4 and 1,2-bis(dimethylphosphino)ethane under THF reflux, and alcohols with Pd(OAc)2 and 1,2-bis(diphenylphosphino)benzene under chlorobenzene reflux. Primary alcohols reacted faster than secondary alcohols under these conditions, and protected tyrosine and serine were phosphinothioated with minimal racemization. Tetraphenyldiphosphine dioxide also underwent the P-O bond formation reaction.

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