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HomeProduct name listDiethylphosphorodithioate

Diethylphosphorodithioate

  • CAS NO.:298-06-6
  • Empirical Formula: C4H11O2PS2
  • Molecular Weight: 186.23
  • MDL number: MFCD00004825
  • EINECS: 206-055-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-07-19 18:29:52
Diethylphosphorodithioate Structural

What is Diethylphosphorodithioate?

Chemical properties

Diethylphosphorodithioate is a colorless oily liquid, and the industrial grade is a brown liquid. It is flammable, has a foul odor, soluble in water and organic solvents, decomposes at high temperature, and highly corrosive.

The Uses of Diethylphosphorodithioate

Diethylphosphorodithioate is an important pesticide intermediate, which can be used for the preparation of organophosphorus pesticides such as phorate, terbution, phosphine, etc.

Definition

ChEBI: Diethyl dithiophosphate is an organic thiophosphate.

Synthesis

Diethylphosphorodithioate was prepared by phosphorus pentasulfide stirred in absolute ethanol at 50~65℃ for 30-45min.

Properties of Diethylphosphorodithioate

Melting point: <0°C
Boiling point: 60 °C1 mm Hg(lit.)
Density  1.11 g/mL at 25 °C(lit.)
vapor pressure  60Pa at 57℃
refractive index  n20/D 1.512(lit.)
Flash point: 181 °F
storage temp.  2-8°C
solubility  330g/l
form  Oil
pka -0.10±0.34(Predicted)
color  Pale Gray to Very Dark Brown
PH 0.8 (100g/l, H2O, 20℃)
Water Solubility  330g/L at 25℃
BRN  507407
Stability: Hygroscopic
CAS DataBase Reference 298-06-6(CAS DataBase Reference)
NIST Chemistry Reference Phosphorodithioic acid, o,o'-diethyl ester(298-06-6)
EPA Substance Registry System O,O-Diethyl dithiophosphate (298-06-6)

Safety information for Diethylphosphorodithioate

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Exclamation Mark
Irritant
GHS07
ghs
Environment
GHS09
GHS Hazard Statements H314:Skin corrosion/irritation
H400:Hazardous to the aquatic environment, acute hazard
Precautionary Statement Codes P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Diethylphosphorodithioate

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