Chinese Name: phosphite Diisopropyl
Synonyms: phosphorous acid isopropyl; bromopropionate ester ethyl acetate; diisopropyl phosphine; diisopropyl phosphite; phosphite two isopropyl (colorless, transparent liquid; Diisopropyl phosphite more than 95%, 98%; phosphite Diisopropyl
English Name: Diisopropyl phosphite
English synonyms: Diisopropyl of hydrogen phosphonate; Diisopropylphosphine oxide,; Isopropyl phosphonate; the Isopropyl phosphonate ((C3H7O) 2HPO); isopropylphosphonate; O, O-Diisopropyl phosphonate; o, o-diisopropylphosphite; o, o-diisopropylphosphonate
CAS No.: 1809-20-7
Molecular formula: C6H15O3P
Molecular Weight: 166.16
Boiling point: 71 ° C (8 mmHg)
Density: 0.997
Refractive Index: 1.4065-1.4085
Flash point: 69 ° C
Water solubility: soluble
Use
Phosphite Diisopropyl is a dedicated pesticide intermediates, synthetic O, O-diisopropyl sulfide (alcohol) on behalf of ammonium phosphate, and thus preparation of the organic phosphorus fungicides kitazin the; used as a pesticide intermediates
Production methods
Its preparation by the isopropyl alcohol reaction with phosphorus trichloride, namely, phosphite Diisopropyl.
3 (CH3) 2CHOH + PCl3 → [(CH3) 2CHO] 2POH +2 HCl ↑ + (CH3) 2CHCl
Isopropyl alcohol to 215 kg / h, phosphorus trichloride to 150 kg / h speed ratio of 3:1 (mol)] continuous feed, a mixture of violent reaction to produce hydrogen chloride gas through a vacuum mercury from mixed material pot quickly ruled out, the resulting crude ester into the falling film thrown disk deacidification is heated further deacidification, deacidification temperature of 120 to 130 ° C to leave the device, will be cooled to below 40 ℃, ie content of 92% ~ 95% product yield of 95% to 98%.
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