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Chloroacetyl chloride

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Chloroacetyl chloride Basic information

Product Name:
Chloroacetyl chloride
CAS:
79-04-9
MF:
C2H2Cl2O
MW:
112.94
EINECS:
201-171-6
Mol File:
79-04-9.mol
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Chloroacetyl chloride Chemical Properties

Melting point:
−22 °C(lit.)
Boiling point:
105-106 °C(lit.)
Density 
1.419 g/mL at 20 °C
vapor density 
3.9 (vs air)
vapor pressure 
60 mm Hg ( 41.5 °C)
refractive index 
n20/D 1.453(lit.)
Flash point:
>100°C
storage temp. 
Store at RT.
solubility 
Miscible with ethyl ether, acetone, benzene and carbon tetrachloride.
form 
Liquid
color 
Clear colorless to slightly yellow
Water Solubility 
reacts
FreezingPoint 
-22.5℃
Sensitive 
Moisture Sensitive
Merck 
14,2067
BRN 
605439
Stability:
Stable. Incompatible with strong bases, alcohols, strong oxidizing agents. May react violently on exposure to water or moisture.
CAS DataBase Reference
79-04-9(CAS DataBase Reference)
NIST Chemistry Reference
Acetyl chloride, chloro-(79-04-9)
EPA Substance Registry System
Chloroacetyl chloride (79-04-9)
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Safety Information

Hazard Codes 
T,C,N
Risk Statements 
14-23/24/25-35-48/23-50-29
Safety Statements 
9-26-36/37/39-45-61-7/8
RIDADR 
UN 1752 6.1/PG 1
WGK Germany 
3
RTECS 
AO6475000
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
I
HS Code 
29159000
Hazardous Substances Data
79-04-9(Hazardous Substances Data)

MSDS

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Chloroacetyl chloride Usage And Synthesis

Chemical Properties

Clear colorless liquid

Chemical Properties

Chloroacetyl chloride is a colorless to yellowish liquid with a very pungent, extremely irritating, odor.

Uses

In the synthesis of organic compounds.

Definition

A lachrymator.

General Description

A colorless to light yellow liquid with a very pungent odor. Very toxic by inhalation. Corrosive to metals and tissue.

Reactivity Profile

Chloroacetyl chloride reacts rapidly with water. Incompatible with strong oxidizing agents, alcohols, bases (including amines). 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].

Hazard

Irritant to eyes, corrosive to skin. Upper respiratory tract irritant.

Health Hazard

Inhalation causes severe irritation of upper respiratory system. External contact causes severe irritation of eyes and skin. Ingestion causes severe irritation of mouth and stomach.

Safety Profile

Poison by ingestion and intravenous routes. Mildly toxic by inhalation. Corrosive. A lachrymator. When heated to decomposition it emits toxic fumes of Cl-.

Potential Exposure

Highly toxic by inhalation. Chloroacetyl chloride is used in the manufacture of acetophenone. It is used in the manufacture of a number of pesticides including: alachlor, allidochlor, butachlor, dimethachlor, formothion, mecarbam, metolachlor, propachlor. It is also used in the manufacture of pharmaceuticals, such as chlordiazepoxide hydrochloride, diazepam, lidocaine, mianserin.

Shipping

UN1752 Chloroacetyl chloride, Hazard class: 6.1; Labels: 6.1-Poison Inhalation Hazard, 8-Corrosive material, Inhalation Hazard Zone B.

Incompatibilities

Reacts violently with water, steamforming chloroacetic acid and hydrogen chloride gas. Reacts with alcohols, powdered metals; sodium amide; combustibles; and many organics, causing toxic fumes, fire, and explosion hazard. On contact with air it emits corrosive gas. Decomposes when heated forming phosgene gas. Corrosive to metals.

Waste Disposal

It may be discharged into sodium bicarbonate solution, then flushed to the sewer with water.

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