Phosphorodithioic acid

Aliphatic Phosphorothioate Esters. Many of the eady developments of OP insecticides were simple esters of phosphorothioic acid, (H0)2P(0)SH, and phosphorodithioic acid, (HO)2P(S)SH. [Pg.279]

The phosphorodithioic acid esters related to demetoa are much more persisteat and less water-soluble systemic iasecticides. They are widely used as granular products for soil treatments and as dustiess seed treatments. [Pg.280]

Sulfur monochloride can act as a chlorinating agent in some reactions. For example, 0,0-diaLkyl phosphorodithioic acids [756-80-9] are converted to 0,0-diaLkylphosphorochloridothioate ... [Pg.138]

The feed materials for malathion manufacture are 0,0-dimethyl phosphorodithioic acid and diethyl maleate or fumarate which react according to the equation ... [Pg.894]

At 87 °C and pH 2.5, malathion degraded in water to malathion a-monoacid and malathion P-monoacid. From the extrapolated acid degradation constant at 27 °C, the half-life was calculated to be >4 yr (Wolfe et al., 1977a). Under alkaline conditions (pH 8 and 27 °C), malathion degraded in water to malathion monoacid, diethyl fumarate, ethyl hydrogen fumarate, and QO-dimethyl phosphorodithioic acid. At pH 8, the reported half-lives at 0, 27, and 40 °C are 40 d, 36 h, and 1 h, respectively. However, under acidic conditions, it was reported that malathion degraded into diethyl thiomalate and 0,0-dimethyl phosphorothionic acid (Wolfe et al, 1977a). [Pg.703]

Diethylnitrosamine, see Dimethylamine, Triethylamine 0,0-Diethyl-5-pentenyl phosphorodithioic acid, see Phorate... [Pg.1526]

Dimethyl phosphorodithioate, see Malathion 0,0-Dimethyl phosphorodithioate, see Dimethoate Dimethyl phosphorodithioic acid, see Dimethoate. Malathion... [Pg.1528]

Dimethyl phosphorodithioic acid, see Malathion 0,0-Dimethyl phosphorophosphate, see Methoate Dimethyl phosphorothioate, see Malathion, Parathion 0,0-Dimethyl phosphorothioate, see Malathion 0,5-Dimethyl phosphorothioate, see Acephate Dimethyl phosphorothioic acid, see Dimethoate Dimethyl phosphorothionic acid, see Malathion 0,0-Dimethyl phosphorothionic acid, see Malathion Dimethyl sulfide, see Methyl mercaptan Dimethyl thiophosphate, see Malathion Dimethyl thiophosphoric acid, see Malathion Dimethyl triclopyr-aspartate, see Triclonvr Dimethyl triclopyr-glutamate, see Triclopvr... [Pg.1528]

Tirey et al. (1993) evaluated the degradation of phorate at three different temperatures. When oxidized at temperatures of 200, 250, and 275 °C, the following reaction products were identified by GC/MS ethanol, ethanethiol, methyl mercaptan, 1,2,4-trithiolane, 1,1-thiobisethane, 1,1 -(methylenebis(thio))bisethane, 1,3,5-trithiane, 0,0-diethyl-5-pentenyl phosphorodithioic acid, ethylthioacetic acid, diethyl disulfide, 2,2 -dithiobisethanol, ethyl-(1-methylpropyl) disulfide, sulfur dioxide, carbon monoxide, carbon dioxide, sulfuric acid, and phosphine. [Pg.1605]

American Cyanamid in the early 1950s was therefore welcome. Malathion is widely used today. It is synthesized by condensing diethyl maleate with the 0,0-dimethyl phosphorodithioic acid obtained as previously discussed. [Pg.373]

PHOSPHORODITHIOIC ACID. S-((6-CHL0R0-2-0X0-3(2H)-BENZOXAZOLYL)METHYL)0,0-DIETHYL ESTER... [Pg.234]

In the 1970s, organophosphorus compounds became the leading type of insecticide. Over 40 such compounds have been registered in the United States as insecticides. The first organophosphorus insecticide was synthesized in 1938 and is known as tetraethyl pyrophosphate (TEPP). Another phosphate insecticide, Malathion is synthesized by condensing diethyl maleate with the o,o-dimethyl phosphorodithioic acid. [Pg.272]

Synonym Di-Syston, Dimaz, Disipton, Disystox, Dithiosystox, Frumin AL, Glebofos, Solvirex Chemical Name 0,0-diethyl S -[2-(ethylthio) ethyl] phosphorodithioate phosphorodithioic acid, 0,0-diethyl. S - 2-(cthylthio)cthyl ester... [Pg.644]

Chemical Name G,G-dicthykS -(cthylthio)rnethyl phosphorodithioate O.O-diethyl-.S -clhylmercaptomelhyl dithiophos-phate phosphorodithioic acid 0,0-diethyl S-((ethylthio)methyl) ester Uses insecticide to control mites, chewing and sucking insects in fruits and vegetables, cotton, and some ornamentals ... [Pg.771]

Chemical Name S -(ferf-butylthio)methyl O, O-diethyl phosphorodithioate />-[[( 1,1-dimethylethyl)Lhio] methyl 0,0-diethyl phosphorodithioate phosphorodithioic acid S-((/er/-butylthio)methyl) 0,0-diethyl ester Uses insecticide in soil to control insects and also used as nematocide to control nematodes in beet, maize, cotton, sorghum, onions, cabbage, and bananas. [Pg.783]

Nitrobenzoic acid (all isomers) Phenylcarbamic acid Phosphinic acid Phosphonic acid Phosphoric acid Phosphorodithioic acid Phosphorothioic acid Phosphorous acid Propanoic acid Sulfuric acid Sulfurous add... [Pg.69]

SYNS S-(6-CHLORO-3,4-DIHYDRO-2H-l-BENZO-THIOPYRAN-4-YL) o,o-DIMETHYL PHOSPHORO-DITHIOATE PHOSPHORODITHIOIC ACID, S-(6-CHLORO-3,4-DIHYDRO-2H-l-BENZOTHIOPYRAN-4-YL) 0,0-DIMETHYL ESTER... [Pg.352]

PHOSPHORODITHIOIC ACID-S-(2-CHLORO-l-(l,3-DIHYDR0-l,3-DI0X0-2H-IS0IND0L-2-YL))ETHYL-0,0-DIETHYL ESTER PHOSPHORODITHIOIC ACID-S-((2-CHLORO-1-PHTHALLMIDOETHYL)-0,)-DIETHYL ESTER... [Pg.429]

SYNS PHOSPHORODITHIOIC ACID, o,o-DIETHYL S-(2-(ETHYLTHIO)-6-METHYL-4-PYRIMIDINYL) ESTER HERCULES 6937... [Pg.491]

SYNS S-(2-(ACETYLAMIN0)ETHYL)-0,0-DIMETHYL PHOSPHORODITHIOATE AiWHOS CP 49674 DAEP 0,0-DlMETHYL-S-(2-ACET AMID0ETH X) ESTER PHOSPHORODITHIOIC ACID 0,0-DIMETH-YL-S-(2-ACETYLAMINOETHYL) PHOSPHORODITHIOATE N-((0,0-DIMETHYLPH0SPH0R0DITHI0YL)-ETHYL)ACETAMIDE ENT 27,346 MONSANTO CP-49674 NSC-190945 PHOSPHORODITHIOIC ACID, 0,0-DIMETHYL ESTER, S-ESTER with N-(2-MERCAPTOETHYL)ACETAhnDE... [Pg.519]

SYNS S-sec-BUTYLS-tert-BUTYL o-ETHYL PHOSPHORODITHIOATE PHOSPHORODITHIOIC ACID, S-(Ll-DIMETHYLETHYL) o-ETHYL S-(l-METHYLPROPYL) ESTER... [Pg.639]

SYNS lO-PHENARSAZINETHIOL, S-ESTER with 0,0-DIISOOCTYLPHOSPHORODITHIOATE O PHOSPHORODITHIOIC ACID, 0,0-DIIS00CTYL S-(10-PHENARSAZINYL) ESTER... [Pg.1089]

PHI500 CAS 640-15-3 HR 3 PHOSPHORODITHIOIC ACID, 0,0-DI-METHYL-S-(2-ETHYLTHIO)ETHYL ESTER... [Pg.1117]

SYNS BAY-NTN-9306 BOLSTAR 0-ETHYL-0-(4-(METHYLMERCAPTO)PHENYL)-S-N-PROPYL-PHOSPHOROTHIONOTHIOLATE 0-ETHYL-0-(4-(METHYLTHIO)PHENYL)PHOSPHORODITHIOIC ACID-... [Pg.1296]

ETHYLDIOL ACRILATE (RUSSIAN) see EIPOOO ETHYLDIPHENYLTIN ACETATE see EIMIOO 0-ETHYL-S,S-DIPROPYL ESTER, PHOSPHORODITHIOIC ACID see EINOOO 0-ETHYL-S,S-DIPROPYLPHOSPHORODITHIOATE see EINOOO... [Pg.1679]

METHANE DICHLORIDE see MJP450 METHANEDITHIOL-S,S-DIESTER with 0,0-DIETHYL ESTER PHOSPHORODITHIOIC ACID see EEH600 METHANE, PHENYL- see TGK750 METHANEPHOSPHONIC ACID, DIPHENYL ESTER see MDQ825... [Pg.1762]

PHOSPHORODITHIOIC ACID, 0,0-DIMETHYL-S-(2-ETHYLTHIO)ETHYL ESTER see PHI500 PHOSPHORODITHIOIC ACID-0,0-DIMETHYL-S-(2-(METHYLAMINO)-2-OXOETHYL) ESTER see DSP400 PHOSPHORODITHIOIC ACID-S,S -l,4-DIOXANE-2,3-DIYL-0,0,0. 0 -TETRAETHYL ESTER see DVQ709 PHOSPHORODITHIONIC ACID, S-2-(ETHYLTHIO)ETHYL-0,0-DIETHYL ESTER see DXH325... [Pg.1841]

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