Diethyl dithiophosphoric acid

Modify Date: 2025-08-21 11:18:10

Diethyl dithiophosphoric acid Structure
Diethyl dithiophosphoric acid structure
Common Name Diethyl dithiophosphoric acid
CAS Number 298-06-6 Molecular Weight 186.233
Density 1.2±0.1 g/cm3 Boiling Point 232.7±9.0 °C at 760 mmHg
Molecular Formula C4H11O2PS2 Melting Point <0ºC
MSDS Chinese USA Flash Point 82.8±0.0 °C
Symbol GHS05 GHS06
GHS05, GHS06
Signal Word Danger

 Names

Name Diethylphosphorodithioate
Synonym More Synonyms

 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

 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
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

 Articles6

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 Synonyms

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
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