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PVC Production: Vinyl Chloride Properties

The document provides detailed information about vinyl chloride, the sole monomer used in PVC production. It includes its chemical structure, properties, and identifiers such as CAS and EC numbers. Key physical properties like melting point, boiling point, and density are also outlined.

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29 views1 page

PVC Production: Vinyl Chloride Properties

The document provides detailed information about vinyl chloride, the sole monomer used in PVC production. It includes its chemical structure, properties, and identifiers such as CAS and EC numbers. Key physical properties like melting point, boiling point, and density are also outlined.

Uploaded by

Trần Trang
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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2

PVC MANUFACTURE TECHNOLOGY

2.1 MONOMER
Vinyl chloride is the sole monomer used in the production of PVC. Its structure and prop-
erties are given in Table 2.1.1.
Table 2.1.1. Typical properties of vinyl chloride

Property Description
General Vinyl chloride is a flammable, colorless gas with a
sweet odor at room temperature. It is mainly used for
the production of PVC but also as a refrigerant and
comonomer.
Chemical structure

H H
C C
H Cl

Chemical formula C2H3Cl


IUPAC name chloroethene
Alternate names chloroethylene, chloroethene, ethylene monochloride
Identifiers CAS # − 75-01-4; EC # − 200-831-0; ΕΧΗΑ # −
618-338-8; UN # − 1086; RTECS − KU9625000;
NIOSH # − KV0350000; transportation # − 49 057 92
Molecular weight, g/mol 62.5
Odor mild, sweet, ethereal
Color colorless
o
Melting point, C -153.8
Boiling point, oC -13.37
o
Decomposition temperature, C 450
Flash point, oC -78 (closed cup)
Autoignition temperature, oC 472
Explosive limits in air, vol% 3.6 and 33
o
Refractive index at 20 C 1.3700
Density, kg/m3 at 20oC 2.56 (gas); 910.6 (liquid)
Vapor density (air=1) 2.15

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