Ethyl dichlorophosphate

Modify Date: 2025-08-23 07:10:22

Ethyl dichlorophosphate Structure
Ethyl dichlorophosphate structure
Common Name Ethyl dichlorophosphate
CAS Number 1498-51-7 Molecular Weight 162.940
Density 1.4±0.1 g/cm3 Boiling Point 187.0±9.0 °C at 760 mmHg
Molecular Formula C2H5Cl2O2P Melting Point -42.5ºC
MSDS Chinese USA Flash Point 28.0±26.4 °C
Symbol GHS05 GHS06
GHS05, GHS06
Signal Word Danger

 Names

Name Ethyl dichlorophosphate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 187.0±9.0 °C at 760 mmHg
Melting Point -42.5ºC
Molecular Formula C2H5Cl2O2P
Molecular Weight 162.940
Flash Point 28.0±26.4 °C
Exact Mass 161.940414
PSA 36.11000
LogP 1.24
Vapour Pressure 0.9±0.3 mmHg at 25°C
Index of Refraction 1.429

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TD4390000
CHEMICAL NAME :
Phosphorodichloridic acid, ethyl ester
CAS REGISTRY NUMBER :
1498-51-7
LAST UPDATED :
199710
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C2-H5-Cl2-O2-P
MOLECULAR WEIGHT :
162.94
WISWESSER LINE NOTATION :
OPGGO2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
220 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - ptosis Gastrointestinal - ulceration or bleeding from stomach Skin and Appendages - hair
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0528775
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
564 mg/m3
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0530306
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
2350 mg/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex) Gastrointestinal - changes in structure or function of salivary glands Skin and Appendages - dermatitis, other (after systemic exposure)
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: OTS0528775

 Safety Information

Symbol GHS05 GHS06
GHS05, GHS06
Signal Word Danger
Hazard Statements H301-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 C: Corrosive;
Risk Phrases R22;R34
Safety Phrases S26-S28-S36/37/39-S45
RIDADR UN 3390 6.1/PG 1
WGK Germany 3
RTECS TD4390000
Packaging Group III
Hazard Class 8

 Synthetic Route

 Synonyms

Ethyl phosphorodichloridate
EINECS 216-099-0
Phosphorodichloridic acid, ethyl ester
1-dichlorophosphoryloxyethane
Ethyl dichlorophosphate
MFCD00002069
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