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LC2396 O,O-Diethyl dithiophosphate
for synthesis


Order number Packaging Quantity Price €
AC29396 Glass bottle 5 ml 15.66
AC29396 Glass bottle 100 ml 31.30
AC29396 Glass bottle 250 ml 56.25


Product information
Synonyms Dithiophosphoric acid O,O-diethyl ester
Hill Formula C4H11O2PS2
Chemical formula (C2H5O)2P(=S)SH
HS Code 2920 19 00
EC number 206-055-9
Molar mass 186.23 g/mol
Storage Store at +2°C to +8°C.
CAS number 298-06-6


Chemical and physical data
Solubility 330 g/l (25 °C)
Molar mass 186.23 g/mol
Density 1.17 g/cm3 (20 °C)
pH value 0.8 (100 g/l, H2O)
Boiling point 105 – 108 °C (20 hPa)
Vapor pressure 0.66 hPa (57 °C)
Flash point 87 °C
Refractive index 1.512 (20 °C, 589 nm)


Safety information
R Phrase R 22-23-34-50
Harmful if swallowed.Toxic by inhalation.Causes burns.Very toxic to aquatic organisms.
S Phrase S 26-36/37/39-45-61
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Categories of danger toxic, corrosive, dangerous for the environment
Hazard Symbol Toxic
Dangerous for the environment
RTECS TD7350000
Storage class 6.1A Combustible substances, toxic
WGK WGK 2 water endangeringolp
Disposal 25
Red phosphorus must not come into contact with oxidizing substances: Container I. Phosphorus compounds should be oxidized under an inert gas in an efficient hood with the front screen closed. From each gram of phosphorus compound measure out a 100-ml aliquot of 5 % Sodium hypochlorite solution (Cat.No. 105614) containing 5 ml of 50 % Sodium hydroxide solution (Cat. No. 106462) and carefully add the substance solution to be neutralized, a drop at a time, cooling with ice. Add Calcium hydroxide (Cat.No. 102047) and filter off the precipitated phosphates. Precipitate: Container I. Aqueous solutions: Container D.


Transport information
Declaration (transport by sea) IMDG-Code UN 3265 CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.(O,O-DIETHYL PHOSPHORODITHIONIC ACID), 8, II, Segregation Group: 1 (Acids)


Toxicological data
LD 50 oral LD50 rat 1470 mg/kg
LD 50 dermal LD50 rat >= 2150 mg/kg


Assay (acidimetric) ≥ 97 %
Density (d 20 °C/ 4 °C) 1.172 – 1.176
Identity (IR) passes test