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Propyl chloroformate

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Propyl chloroformate Basic information

Product Name:
Propyl chloroformate
Synonyms:
  • Propyl chloroforMat
  • propyl carbonochloridate
  • Propyl chloroforMate, 98%+
  • Chloride propyl forMate
  • chlorocarbonicacidpropylester
  • chloro-formicacipropylester
  • Formic acid, chloro-, propyl ester
  • Propyl chloridocarbonate
CAS:
109-61-5
MF:
C4H7ClO2
MW:
122.55
EINECS:
203-687-7
Product Categories:
  • API Intermediate
  • Agrochemicals
  • CHLOROFORMATES
  • Acid HalidesDerivatization Reagents HPLC
  • Carbonyl Chlorides
  • Carbonyl Compounds
  • Fluorescence
  • Organic Building Blocks
  • bc0001
  • K00001
Mol File:
109-61-5.mol
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Propyl chloroformate Chemical Properties

Boiling point:
105-106 °C(lit.)
Density 
1.09 g/mL at 25 °C(lit.)
vapor pressure 
0.87 psi ( 20 °C)
refractive index 
n20/D 1.404(lit.)
Flash point:
84 °F
storage temp. 
2-8°C
solubility 
benzene: miscible(lit.)
form 
Oil
color 
Colourless
Specific Gravity
1.09
Merck 
13,7940
Dielectric constant
11.2(20℃)
Stability:
Volatile
InChIKey
QQKDTTWZXHEGAQ-UHFFFAOYSA-N
LogP
1.385 (est)
CAS DataBase Reference
109-61-5(CAS DataBase Reference)
NIST Chemistry Reference
n-Propylchloroformate(109-61-5)
EPA Substance Registry System
Propyl chloroformate (109-61-5)
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Safety Information

Hazard Codes 
T,F
Risk Statements 
10-23-34-22-11
Safety Statements 
26-36-45-16
RIDADR 
UN 2740 6.1/PG 1
WGK Germany 
1
RTECS 
LQ6830000
HazardClass 
6.1(a)
PackingGroup 
I
HS Code 
29151300
Hazardous Substances Data
109-61-5(Hazardous Substances Data)
Toxicity
mouse,LC50,inhalation,319ppm/1H (319ppm),"Kirk-Othmer Encyclopedia of Chemical Technology," 3rd ed., Grayson, M., and D. Eckroth, eds. New York, John Wiley & Sons, Inc., 1978Vol. 4, Pg. 758, 1978.

MSDS

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Propyl chloroformate Usage And Synthesis

Chemical Properties

Propyl Chloroformate (PCF) is a colorless to yellow liquid, with a pungent odor. It reacts with water and spontaneous decomposes. It is miscible with benzene and ether.

Uses

Propyl Chloroformate is used as a dramatizing agent for the determination of morphine, codeine and 6-acetyl morphine in urine and blood using direct aqueous derivatization.

Application

Propyl chloroformate has been used:
as derivatization reagent in quantification of dopamine, serotonin and norepinephrine in human urine by solid phase microextraction-gas chromatography-triple quadrupole mass spectrometry
in the preparation of dipropyl 3,6-diphenyl-1,2-dihydro-1,2,4,5-tetrazine-1,2-dicarboxylate
N-propyl chloroformate is an intermediate of the fungicide propamocarb.

Preparation

Synthesis of Propyl chloroformate: Add n-propanol to the phosgene-passing kettle, start stirring, and then pass phosgene through the phosgene flowmeter. The phosgene-passing temperature is about 30 °C, and continue to pass the phosgene for several hours. When the end point is approached, sample and analyze, and stop when the standard is reached. Pass phosgene, cool, and then pass nitrogen to drive away phosgene and hydrogen chloride, destroy phosgene, and sample and analyze it as a product.
Reaction equation: CH3CH2CH2OH+COCl2→ClCOOCH2CH2CH3

Production Methods

Prepared by the reaction of liquid anhydrous n-propyl alcohol with molar excess of dry, chlorine-free phosgene at low temperature.

General Description

N-propyl chloroformate appears as a colorless liquid. May be decomposed by water. Severely irritates skin and eyes. Very toxic by ingestion, inhalation or skin absorption. Denser than water and vapors heavier than air. Flash point 50°F. Used to make other chemicals.

Air & Water Reactions

Highly flammable. Water (moisture in air or soil) reacts with generation of heat and hydrochloric acid.

Reactivity Profile

Unstable, decomposes spontaneously to form hydrochloric acid and other products. Avoid moist air. [EPA, 1998]. May react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts [J. Haz. Mat., 1981, 4, 291].

Health Hazard

Strongly irritating to eyes and mucous membranes. Poisonous; may be fatal if inhaled, swallowed or absorbed through skin.

Fire Hazard

When heated to decomposition, Propyl chloroformate emits toxic fumes of chlorine containing compounds. Propyl chloroformate is a flammable/combustible material; Propyl chloroformate may be ignited by heat, sparks or flames. Vapors may travel to a source of ignition and flash back. Container may explode in heat or fire. Vapor explosion and poison hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Runoff from fire control or dilution water may cause pollution. Gradually decomposed by water and alcohol. Unstable, decomposes spontaneously to form hydrochloric acid and other products. Avoid moist air.

Flammability and Explosibility

Flammable

Safety Profile

Poison by skin contact. Moderately toxic by ingestion and inhalation. A corrosive irritant to skin, eyes, and mucous membranes. Flammable when exposed to heat or flame, can react vigorously with oxidizing materials. When heated to decomposition it emits toxic fumes of Cl-. Used as a reactive intermediate to polymerization initiators.

Potential Exposure

Propyl chloroformate is used in organic synthesis; as an intermediate for polymerization initiators; may have been used as a military poison gas.

Shipping

UN2740 n-Propyl chloroformate, Hazard class: 6.1; Labels: 6.1-Poison Inhalation Hazard, 3-Flammable liquid, 8-Corrosive material. Inhalation Hazard Zone B

Incompatibilities

Propyl chloroformate forms explosive mixture with air. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explo- sions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, water and alcohols. Reaction with water forms heat and hydrochloric acid. Attacks some metals and coating in the presence of moisture.

Propyl chloroformate Preparation Products And Raw materials

Raw materials

Propyl chloroformateSupplier

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