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HCID 12959Erstellt: 26. Oktober 2026

O,O-Dimethylhydrogendithiophosphat

O,O-Dimethyl S-hydrogen phosphorodithioate · DMPTA · THIOACID · dimethyldithiophosphate · MP-1 · MAPBP · MAP2K1IP1 · U.N. 1760

https://huagongshe.com/de/chemical/12959

Molekülstruktur von O,O-Dimethylhydrogendithiophosphat

Identifikatoren & physikalische Daten

CAS No.756-80-9
SummenformelC2H7O2PS2
Durchschnittliche Molmasse158,18 g/mol
Monoisotopische Masse157,96250809 g/mol
SMILESCOP(=S)(S)OC
InChIKeyCZGGKXNYNPJFAX-UHFFFAOYSA-N
PubChem CID12959
ChEBICHEBI:166461
EC No.212-053-9
DTXSIDDTXSID5027306
Lokaler NameO,O-Dimethylhydrogendithiophosphat

Chemische & physikalische Eigenschaften

XLogP1,7
Polarare Oberfläche (TPSA)51,6
H-Brücken-Donoren1
H-Brücken-Akzeptoren4
Frei drehbare Bindungen2
Schwere Atome7
Formalladung0
Komplexität85,7
StoffklassenOther Classes -> Organophosphates, Other
PestizideEnvironmental transformation -> Pesticide transformation products (metabolite, successor)
Siedepunkt65℃
Dichte1.29
Dampfdruck1.33hPa at 48.5℃
Brechungsindex1.535
Lagerbedingungen-20°C
LöslichkeitChloroform (Slightly), Methanol (Slightly)226g/L at 20℃
Aggregatzustandclear liquid
pKa (Säurekonstante)-0.10±0.30(Predicted)
FarbeColorless to Light yellow to Red
LogP (Verteilungskoeffizient)-0.7 at 22℃
EPA chemische InformationenO,O-Dimethyl dithiophosphate (756-80-9)

Sicherheit & Vorschriften

GHS-EinstufungDangerH226 (100%): Flammable liquid and vapor [Warning Flammable liquids]P203, P210, P233, P234, P240, P241, P242, P243, P260, P261, P264, P264+P265, P270, P271, P273, P280, P301+P317, P301+P330+P331, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P318, P321, P330, P363, P370+P378, P390, P403+P235, P405, P406, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 30 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.H227: Combustible liquid [Warning Flammable liquids]
Regulatorische InformationenHazard Traits - Developmental ToxicityNeurotoxicityStatus: Active Update: 22-11-2010 https://echa.europa.eu/registration-dossier/-/registered-dossier/10137
GefahrenübersichtA human metabolite of many organophosphate pesticidesEmergency treatment: Organophosphates[HSDB] Dialkyl phosphate metabolites are considered non-toxic and do not inhibit cholinesterase activity like their parent pesticidesMay also be found in the environment as a result of organophosphate pesticide degradation[https://www.cdc.gov/biomonitoring/pdf/OP-DPM_FactSheet.pdf] A severe eye and moderate skin irritantCauses effects to male fertility index in repeated inhalation studies of rats[RTECS]
Hazard Classes and CategoriesFlam. Liq. 3 (100%)Flammable liquids - Category 4
ReinigungsverfahrenAN ORGANOPHOSPHATE CONTAINING WASTEWATER IS TREATED AT PH 5-7.5 WITH ACTIVATED SLUDGE. THUS, AN ACTIVATED SLUDGE WAS ACCLIMATIZED IN A CULTURE MEDIUM CONTAINING DIMETHYL DITHIOPHOSPHATE AMMONIUM SALTTHEN THE SLUDGE WAS USED TO TREAT A DIMETHYL DITHIOPHOSPHATE CONTAINING WASTEWATER. THE TOTAL ORG C OF 83-87 PPM WAS REDUCED TO 17-19 PPM AFTER 12 HR OF TREATMENT.THE ACTIVATED SLUDGE WAS ACCLIMATED TO O,O-DIMETHYL PHOSPHORODITHIOATE BY THE FILL & DRAW METHOD. THE ACCLIMATED, ACTIVATED SLUDGE DEGRADE 500 MG/L IN 7 HR. THE PH OF THE MIXED LIQUOR WAS ADJUSTED TO DEGRADE O,O-DIMETHYL PHOSPHORODITHIOATE & THE OPTIMUM PH WAS 6.5-7.0.
UmweltverhaltenO,O-DIMETHYL DITHIOPHOSPHATE IS PRODUCED AS METABOLITE FROM MANY ORGANOPHOSPHATE INSECTICIDES IN SOIL... EXAMPLES OF SUCH ORGANOPHOSPHATES ARE PHENTHOATE, MALATHION, DIMETHOATE, & SUPRACIDE.
Effluent ConcentrationsO,O-DIMETHYL PHOSPHORODITHIOATE IS A PRECURSOR IN THE PRODUCTION OF SUCH ORGANOPHOSPHORUS PESTICIDES AS MALATHION, DIMETHOATE, ETC, & IS ABUNDANT IN WASTE-WATER OF PESTICIDE MFR.
Probable Routes of Human ExposureDIMETHYL PHOSPHATE & ITS THIODERIVATIVES WERE EXCRETED IN URINE OF HUMANS AFTER OCCUPATIONAL EXPOSURE TO ORGANOPHOSPHORUS PESTICIDES.
Toxicity DataLC50 (rat) = 1,700 mg/m3/4h
TSCA-Inventar-StatusTSCA listed
Zollcode2920.19.5000
Gefahrstoffdaten756-80-9(Hazardous Substances Data)