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75-01-4

75-01-4 structural image
Product Name: VINYL CHLORIDE
Formula: C2H3Cl
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Vinyl chloride appears as a colorless gas with a sweet odor. Easily ignited. Shipped as a liquefied gas under own vapor pressure. Contact with the unconfined liquid may cause frostbite by evaporative cooling. Leaks may be liquid or vapor. Vapors are heavier than air. May asphyxiate by the displacement of air. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket. Suspected carcinogen. Used to make plastics, adhesives, and other chemicals.
Color/Form Colorless gas or liquid (below 77 degrees F) [Note: Shipped as a liquefied compressed gas]
Odor Ethereal odor
Boiling Point 7 °F at 760 mmHg (NTP, 1992)
Melting Point -245 °F (NTP, 1992)
Flash Point -110 °F (NTP, 1992)
Solubility Slightly soluble (NTP, 1992)
Density 0.969 at 8.6 °F (USCG, 1999) - Less dense than water; will float
Vapor Density 2.21 (NIOSH, 2023) - Heavier than air; will sink (Relative to Air)
Vapor Pressure 3877.5 mmHg (USCG, 1999)
LogP log Kow = 1.46
Henry's Law Constant Henry's Law constant = 0.0278 atm-cu m/mole at 25 °C
Stability/Shelf Life An unstable polyperoxide is apparently formed in vinyl chloride through oxidation by atmospheric oxygen in the presence of any of a variety of contaminants. Storage under these conditions for a long period increases the concentration of unstable polyperoxide to hazardous levels.
Autoignition Temperature 882 °F (USCG, 1999)
Decomposition When heated to decomposition is emits highly toxic fumes of /chloride/.
Viscosity 0.01072 cP at 101.325 kPa, 20 °C (gas); 0.280 cP at -20 °C (liquid)
Corrosivity Vinyl chloride is not corrosive when dry but in presence of moisture it corrodes iron and steel.
Heat of Vaporization 160 Btu/Lb = 88 cal/g = -189.1X10+5 J/kg
Surface Tension 23.1 dyn/cm at -20 °C
Ionization Potential 9.99 eV
Polymerization Polymerization occurs if heated in sunlight or presence of air; reaction is exothermic.
Odor Threshold Odor Threshold Low: 10.0 [ppm] Odor Threshold High: 20.0 [ppm] Odor threshold from AIHA
Refractive Index Index of refraction: 1.3700 at 20 °C/D
Kovats Retention Index 386 366 378 358.5 353 372.3
Other Experimental Properties Liquifies in freezing mixture
Chemical Classes Plastics & Rubber -> Vinyl Halides

SAFETY INFORMATION

Signal word Danger
Pictogram(s)

Flame
Flammables
GHS02

Skull and Crossbones
Acute Toxicity
GHS06

Health Hazard
GHS08
GHS Hazard Statements H220:Flammable gases
H225:Flammable liquids
H280:Gases under pressure
H350:Carcinogenicity
H370:Specific target organ toxicity, single exposure
Precautionary Statement Codes P201:Obtain special instructions before use.
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P311:Call a POISON CENTER or doctor/physician.
P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P308+P313:IF exposed or concerned: Get medical advice/attention.
P410+P403:Protect from sunlight. Store in a well-ventilated place.

COMPUTED DESCRIPTORS

Molecular Weight 62.50 g/mol
XLogP3 1.5
Hydrogen Bond Donor Count 0
Hydrogen Bond Acceptor Count 0
Rotatable Bond Count 0
Exact Mass 61.9923278 g/mol
Monoisotopic Mass 61.9923278 g/mol
Topological Polar Surface Area 0 Ų
Heavy Atom Count 3
Formal Charge 0
Complexity 10.3
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Vinyl chloride is a colorless gas. It burns easily and it is not stable at high temperatures. It has a mild, sweet odor. It is a manufactured substance that does not occur naturally. It can be formed when other substances such as trichloroethane, trichloroethylene, and tetrachloroethylene are broken down. Vinyl chloride is used to make polyvinyl chloride (PVC). PVC is used to make a variety of plastic products, including pipes, wire and cable coatings, and packaging materials. Vinyl chloride is also known as chloroethene, chloroethylene, and ethylene monochloride.