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814-49-3

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Basic Information
CAS No.: 814-49-3
Name: Diethyl chlorophosphate
Article Data: 124
Molecular Structure:
Molecular Structure of 814-49-3 (Diethyl chlorophosphate)
Formula: C4H10ClO3P
Molecular Weight: 172.548
Synonyms: Ethylphosphorochloridate (6CI);Chlorodiethoxyphosphine oxide;Chlorodiethylphosphate;Diethoxyphosphorus oxychloride;Diethoxyphosphorylchloride;Diethyl chlorophosphonate;Diethylphosphochloridate;Diethyl phosphochoridate;Diethyl phosphorochloride;Diethylphosphoric acid chloride;Ethylphosphorochloridate (Cl(EtO)2PO);Ethyl phosphorochloridate (EtO)2ClPO;NSC43770;O,O-Diethyl chloridophosphate;O,O-Diethyl phosphorochloridate;Phosphoric acid chloride diethyl ester;
EINECS: 212-396-4
Density: 1.194 g/cm3
Melting Point: 95-96 °C
Boiling Point: 217.2 °C at 760 mmHg
Flash Point: 49.9 °C
Solubility: soluble in alcohol
Appearance: clear colorless to light yellow liquid
Hazard Symbols: VeryT+
Risk Codes: 23-27/28-33-26/27/28-34
Safety: 26-36/37/39-45-38-28A
Transport Information: UN 2927 6.1/PG 1
PSA: 45.34000
LogP: 2.40630
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  • TIANFUCHEM--814-49-3---Diethyl chlorophosphate

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    814-49-3

    TIANFUCHEM--814-49-3---Diethyl chlorophosphate

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Chemistry

IUPAC Name: 1-[chloro(ethoxy)phosphoryl]oxyethane
The MF of DIETHYL CHLOROPHOSPHATE(814-49-3): C4H10ClO3P
The MW of DIETHYL CHLOROPHOSPHATE(814-49-3): 172.55
EINECS: 212-396-4
bp: 60 °C2 mm Hg(lit.)
density: 1.194 g/mL at 25 °C(lit.)
vapor density: 5.94 (vs air)
vapor pressure: 0.1 mm Hg ( 25 °C)
refractive index: n20/D 1.416(lit.)
Fp: 142 °F
storage temp.: 2-8°C
Appearance: Clear liquid.
Categories: Pharmaceutical Intermediates;Phosphorus compounds
Synonyms: Phosphorochloridic acid diethyl ester;AURORA KA-1634;CHLOROPHOSPHORIC ACID DIETHYL ESTER;DIETHYL PHOSPHOROCHLORIDATE;DIETHYL PHOSPHORYL CHLORIDE;DIETHYL CHLOROPHOSPHATE;ai3-18557[qr];Chlorodiethoxyphosphine oxide
The Structure of DIETHYL CHLOROPHOSPHATE(814-49-3):

Uses

DIETHYL CHLOROPHOSPHATE(814-49-3) is used as an intermediate in organic synthesis.

Toxicity Data With Reference

1.   

skn-rbt 10 mg/24H open MLD

   AIHAAP    American Industrial Hygiene Association Journal. 23 (1962),95.
2.   

orl-rat LD50:11 mg/kg

   AIHAAP    American Industrial Hygiene Association Journal. 23 (1962),95.
3.   

skn-rbt LD50:7900 µg/kg

   AIHAAP    American Industrial Hygiene Association Journal. 23 (1962),95.

Consensus Reports

EPA Extremely Hazardous Substances List. Reported in EPA TSCA Inventory.

Safety Profile

Deadly poison by skin contact. Poison by ingestion. A cholinesterase inhibitor. See also PARATHION. Trace HCl catalyzes a hazardous reaction during the preparation of diethyl phosphate from diethyl chlorophosphate. When heated to decomposition it emits very toxic fumes of Cl and POx.
Hazard Codes: T+
Risk Statements: 23-27/28-33-26/27/28-34
23:  Toxic by inhalation 
27/28:  Very Toxic in contact with skin and if swallowed 
33:  Danger of cumulative effects 
26/27/28:  Very Toxic by inhalation, in contact with skin and if swallowed 
34:  Causes burns 
Safety Statements: 26-36/37/39-45-38-28A-7/9
26:  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
36/37/39:  Wear suitable protective clothing, gloves and eye/face protection 
45:  In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) 
38:  In case of insufficient ventilation, wear suitable respiratory equipment 
7/9:  Keep container tightly closed and in a well-ventilated place  
RIDADR: UN 2927 6.1/PG 1
WGK Germany: 3
RTECS: TD1400000
F: 10-19-21
10 Keep under argon.
19 Lachrymator.
21 Sensitive to humidity.
HazardClass: 6.1(a)
PackingGroup: II

Specification

1. First Aid Measures
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately. Induce vomiting only when instructed to do so by a physician.
Inhalation:
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. DO NOT use mouth-to-mouth respiration.
Skin:
Get medical aid immediately. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Eyes:
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
2. Handling and Storage
Storage:
Store in a cool, dry place. Keep container closed when not in use.
Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Discard contaminated shoes.