Diethyl dithiophosphoric acid

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Names

[ CAS No. ]:
298-06-6

[ Name ]:
Diethyl dithiophosphoric acid

[Synonym ]:
O,O-Diethyl hydrogen dithiophosphate
SHPS&O2&O2
DEPTA
MFCD00004825
O,O-Diethyl hydrogen phosphorodithioate
di-o-ethyldithiophosphate
U.N. 1760
dithiophosphoric acid O,O-diethyl ester
ETHYL THIOACID
EP-1
O,O-diethyl dithiophosphate
EINECS 206-055-9
O,O'-Diethyl dithiophosphate
(EtO)2P(S)SH
O,O'-diethyl phosphorodithioate
Phosphorodithioic acid, O,O-diethyl ester
Diethyl dithiophosphoric acid
DIETHYL DITHIOPHOSPHATE

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
232.7±9.0 °C at 760 mmHg

[ Melting Point ]:
<0ºC

[ Molecular Formula ]:
C4H11O2PS2

[ Molecular Weight ]:
186.233

[ Flash Point ]:
82.8±0.0 °C

[ Exact Mass ]:
185.993805

[ PSA ]:
99.16000

[ LogP ]:
1.72

[ Vapour Pressure ]:
0.1±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.513

[ Storage condition ]:
2-8°C

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TD7350000
CHEMICAL NAME :
Phosphorodithioic acid, O,O-diethyl ester
CAS REGISTRY NUMBER :
298-06-6
BEILSTEIN REFERENCE NO. :
0507407
LAST UPDATED :
199806
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C4-H11-O2-P-S2
MOLECULAR WEIGHT :
186.24
WISWESSER LINE NOTATION :
SHPS&O2&O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1175,1986
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1175,1986 ** ACUTE TOXICITY DATA **
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
4510 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1175,1986
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1640 mg/m3/4H
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0539075 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X6232 No. of Facilities: 37 (estimated) No. of Industries: 3 No. of Occupations: 4 No. of Employees: 5271 (estimated) No. of Female Employees: 2100 (estimated)

Safety Information

[ Symbol ]:

GHS05, GHS06

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H301 + H311-H314-H330

[ Precautionary Statements ]:
P260-P280-P284-P301 + P310-P305 + P351 + P338-P310

[ Personal Protective Equipment ]:
Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
T:Toxic;

[ Risk Phrases ]:
R23/24/25;R34

[ Safety Phrases ]:
S26-S36/37/39-S45

[ RIDADR ]:
UN 3265 8/PG 2

[ WGK Germany ]:
3

[ RTECS ]:
TD7350000

[ Packaging Group ]:
III

[ Hazard Class ]:
8

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Ethanol
  • Diethyl chlorothiophosphate
  • O,O,S-TRIMETHYLDITHIOPHOSPHATE
  • Disulfaton
  • Phorate
  • O,O,S-TRIETHYLDITHIOPHOSPHATE
  • Ethanethiol
  • S-(Chlormethyl)-O,O-diethyldithiophosphat

DownStream

  • 1,3-Dithiolan-2-imine,hydrochloride (1:1)
  • Diethyl chlorothiophosphate
  • PHOSPHOLAN
  • Methyl n-octyl sulfide
  • ethion
  • S-diethoxyphosphinothioyl benzenecarbothioate
  • Athidathion
  • O,O,O-TRIETHYLPHOSPHOROTHIOATE
  • O,O,S-TRIETHYLDITHIOPHOSPHATE
  • Diethyl 1,2-hydrazinedicarboxylate

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Related Compounds

  • O,S-diethyl-dithiophosphoric acid
  • diethyl phosphorodithioathe
  • morphothion
  • O,O-diethyl S-(2-bromoethyl)dithiophosphonate
  • O,O-Diethyl S-(N-n-propylcarbamoylmethyl) phosphorodithioate
  • dithiophosphoric acid O,O'-diethyl ester S-(2-hydroxy-ethyl) ester