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| Name |
Ethyl dimethylamidocyanophosphate |
EINECS | N/A |
| CAS No. | 77-81-6 | Density | 1.14g/cm3 |
| PSA | 63.14000 | LogP | 1.25868 |
| Solubility | N/A | Melting Point |
-50° |
| Formula | C5H11 N2 O2 P | Boiling Point | 240°C at 760 mmHg |
| Molecular Weight | 162.128 | Flash Point | 98.9°C |
| Transport Information | N/A | Appearance | N/A |
| Safety | Human poison by inhalation, skin contact, and intravenous routes. Experimental poison by ingestion, inhalation, skin contact, subcutaneous, intravenous, intraperitoneal, and intramuscular routes. A nerve gas. Vapor does not penetrate skin; liquid does so rapidly. The primary physiological action is on the sympathetic nervous system, causing a vasoparesis (partial paralysis of the vasomotor nerves, which control the diameter of the blood vessels). Vapors when inhaled can cause nausea, vomiting, and diarrhea, which can be followed by muscular twitching and convulsions. Flammable when exposed to heat or flame; can react with oxidizing materials. When heated to decomposition it emits very toxic fumes of POx, CN−, and NOx. See also PARATHION and CYANIDE. | Risk Codes | N/A |
| Molecular Structure |
|
Hazard Symbols | Very toxic by inhalation, cholinesterase inhibitor, a military nerve gas, fatal dose (man) 0.01 mg/kg. |
| Synonyms |
N,N-dimethylamido-O-ethyl cyanophosphate;tabun |
Ethyl dimethylamidocyanophosphate Chemical Properties
Molecular Structure of Ethyl dimethylamidocyanophosphate (CAS NO.77-81-6):
IUPAC: [Dimethylamino(ethoxy)phosphoryl]formonitrile
Molecular Formula:C5H11N2O2P
Molecular Weight:162.15
Density:1.14 g/cm3
Boiling Point:240oC at 760 mmHg
Flash Point:98.9oC
Index of refraction:1.439
Molar refractivity:37.46 cm3
Surface tension:39.6 dyne/cm
Molar Volume:142.2 cm3
Vapour Pressure:0.0389 mmHg at 25oC
Enthalpy of Vaporization:47.69 kJ/mol
Ethyl dimethylamidocyanophosphate Toxicity Data With Reference
| 1. | ihl-hmn LCLo:150 mg/m3 | SCJUAD Science Journal. 4 (1967),33. | ||
| 2. | skn-hmn LDLo:23 mg/kg | SCJUAD Science Journal. 4 (1967),33. | ||
| 3. | ivn-hmn LDLo:14 µg/kg | SCJUAD Science Journal. 4 (1967),33. | ||
| 4. | orl-rat LD50:3700 µg/kg | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) PB158-508 . | ||
| 5. | ihl-rat LC50:304 mg/m3/10M | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) PB158-508 . | ||
| 6. | skn-rat LDLo:18 mg/kg | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) PB158-508 . | ||
| 7. | scu-rat LD50:193 µg/kg | AIPTAK Archives Internationales de Pharmacodynamie et de Therapie. 262 (1983),231. | ||
| 8. | ivn-rbt LD50:66 µg/kg | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) PB158-508 . | ||
| 9. | ims-rat LD50:800 µg/kg | JCINAO Journal of Clinical Investigation. 37 (1958),350. | ||
Ethyl dimethylamidocyanophosphate Consensus Reports
EPA Extremely Hazardous Substances List. Cyanide and its compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.
Ethyl dimethylamidocyanophosphate Safety Profile
Human poison by inhalation, skin contact, and intravenous routes. Experimental poison by ingestion, inhalation, skin contact, subcutaneous, intravenous, intraperitoneal, and intramuscular routes. A nerve gas. Vapor does not penetrate skin; liquid does so rapidly. The primary physiological action is on the sympathetic nervous system, causing a vasoparesis (partial paralysis of the vasomotor nerves, which control the diameter of the blood vessels). Vapors when inhaled can cause nausea, vomiting, and diarrhea, which can be followed by muscular twitching and convulsions. Flammable when exposed to heat or flame; can react with oxidizing materials. When heated to decomposition it emits very toxic fumes of POx, CN−, and NOx. See also PARATHION and CYANIDE.
Safty informations about Ethyl dimethylamidocyanophosphate (CAS NO.77-81-6):
RIDADR:2810
HazardClass:6.1(a)
PackingGroup:I
Ethyl dimethylamidocyanophosphate Specification
Ethyl dimethylamidocyanophosphate with CAS registry number of 77-81-6 is also known as (Dimethylamino-ethoxy-phosphoryl)formonitrile ; Tabun ; Agentga ; Cyclosarin ; EthylN,N-dimethylphoshoramidocyanidate ; EthylN,N-dimethylphosphoramidocyanate ; Ethyl dimethylamidocyanophosphate:(Tabun:GA) ; Cyano(dimethylamino)phosphinic acid ethyl ester . It is colorless to brown liquid with a faint fruity odor. Ethyl dimethylamidocyanophosphate is used as a chemical warfare agent. It is unstable if touching with air and water. It can react with oxidizing materials. When heated to decomposition, it may emit very toxic fumes of oxides of phosphorus and nitrogen. Ethyl dimethylamidocyanophosphate is toxic by inhalation and by absorption through skin and eyes. So this compoud must be kept away from water, acids, sparks, flames, and sources of ignition.
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