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HomeProduct name listDiethyl chlorophosphate

Diethyl chlorophosphate

Synonym(s):Diethyl phosphorochloridate

  • CAS NO.:814-49-3
  • Empirical Formula: C4H10ClO3P
  • Molecular Weight: 172.55
  • MDL number: MFCD00009075
  • EINECS: 212-396-4
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-12-18 14:08:52
Diethyl chlorophosphate Structural

What is Diethyl chlorophosphate?

Description

Diethyl chlorophosphate is a combustible,clear liquid with an unpleasant odor. Molecularweight=172.76; Boiling point=60℃ at 2.0 mmHg; 81℃at 6.0 mmHg. Freezing/Melting point=0℃. HazardIdentification (based on NFPA-704 M Rating System):Health 4, Flammability 2, Reactivity 2 . Reacts withwater.

Chemical properties

clear colorless to light yellow liquid

The Uses of Diethyl chlorophosphate

A phosphorous halide used for biochemical research. Also used as an intermediate in organic synthesis.

What are the applications of Application

Diethyl chlorophosphate is a phosphorous halide used for biochemical research

General Description

Clear liquid. Diethyl chlorophosphate is used as an intermediate in organic synthesis.

Reactivity Profile

Organophosphates, such as Diethyl chlorophosphate, are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides.

Health Hazard

Diethyl chlorophosphate is a cholinesterase inhibitor. It has high oral and very high dermal toxicity. It is a skin irritant. It is also toxic by inhalation.

Fire Hazard

Emits very toxic fumes of chloride and phosphorus oxides when heated to decomposition.

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.

Potential Exposure

This material may be used as an intermediate in the manufacture of pesticides and chemical warfare agents.

First aid

If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts theskin, remove contaminated clothing and wash immediatelywith soap and water. Speed in removing material from skinis of extreme importance. Shampoo hair promptly if contaminated. Seek medical attention immediately. If thischemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, includingresuscitation mask) if breathing has stopped and CPR ifheart action has stopped. Transfer promptly to a medicalfacility. When this chemical has been swallowed, get medical attention. Give conscious victims water or milk.Promote excretion by administering saline cathartic or sorbitol. Do not make an unconscious person vomit.

storage

Color Code—Blue: Health Hazard/Poison: Storein a secure poison location. Prior to working with thischemical you should be trained on its proper handling andstorage. Store in tightly closed containers in a cool, wellventilated area away from oxidizers and reducing agents.Where possible, automatically pump liquid from drums orother storage containers to process containers.

Shipping

Organophosphorus compound, toxic n.o.s.requires a label of “POISONOUS/TOXIC MATERIALS.”These materials fall in Hazard Class 6.1 and Packing GroupII.

Incompatibilities

Contact with oxidizers may cause therelease of phosphorous oxides. Contact with strong reducingagents, such as hydrides, may cause the formation of flammable and toxic phosphine gas. Strong oxidizers, bases.

Properties of Diethyl chlorophosphate

Melting point: 95-96 °C
Boiling point: 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.)
Flash point: 142 °F
storage temp.  2-8°C
solubility  Chloroform (Sparingly)
form  Liquid
color  Clear colorless to light yellow
Water Solubility  Soluble in alcohol and chloroform. Slightly soluble in water.
Sensitive  Moisture Sensitive
BRN  471433
Stability: Hygroscopic, Moisture Sensitive
CAS DataBase Reference 814-49-3(CAS DataBase Reference)
NIST Chemistry Reference Phosphorochloridic acid, diethyl ester(814-49-3)
EPA Substance Registry System Diethyl chlorophosphate (814-49-3)

Safety information for Diethyl chlorophosphate

Signal word Danger
Pictogram(s)
ghs
Skull and Crossbones
Acute Toxicity
GHS06
GHS Hazard Statements H331:Acute toxicity,inhalation
Precautionary Statement Codes P262:Do not get in eyes, on skin, or on clothing.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

Computed Descriptors for Diethyl chlorophosphate

InChIKey LGTLXDJOAJDFLR-UHFFFAOYSA-N

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