1,3,2-Dioxaphospholane,2-mercapto-4,5-dimethyl-, 2-sulfide

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Names

[ CAS No. ]:
695-68-1

[ Name ]:
1,3,2-Dioxaphospholane,2-mercapto-4,5-dimethyl-, 2-sulfide

[Synonym ]:
2,3-butylene dithiophosphoric acid
(+/-)-O,O-1,2-dimethylethylene hydrogen phosphorodithioate
4,5-Dimethyl-2-mercapto-2-thioxo<1,3,2>dioxaphospholan
4,5-dimethyl-2-thiono-2-mercapto-1,3,2-dioxaphosphorinane
4,5-Dimethyl-2-mercapto-2-thiono-1,3,2-dioxaphospholan
4,5-dimethyl-2-sulfanyl-2-sulfanylidene-1,3,2
2-mercapto-2-thiono-4,5-dimethyl-1,2,3-dioxaphospholane

Chemical & Physical Properties

[ Density]:
1.32g/cm3

[ Boiling Point ]:
235.3ºC at 760mmHg

[ Molecular Formula ]:
C4H9O2PS2

[ Molecular Weight ]:
184.21700

[ Flash Point ]:
96.1ºC

[ Exact Mass ]:
183.97800

[ PSA ]:
99.16000

[ LogP ]:
2.61510

[ Index of Refraction ]:
1.54

Synthetic Route

Precursor & DownStream

Precursor

  • (2R,3R)-(-)-2,3-Butanediol

DownStream

  • mixed thioanhydride of O,O-1,2-dimethylethylene hydrogen phosphorodithioate and ethylphenylphosphinothious acid
  • Ethanethiol