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HomeProduct name list2-Chloropropene

2-Chloropropene

Synonym(s):2-Chloro-1-propene;Isopropenyl chloride

  • CAS NO.:557-98-2
  • Empirical Formula: C3H5Cl
  • Molecular Weight: 76.52
  • MDL number: MFCD00000859
  • EINECS: 209-187-5
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-08-14 17:09:32
2-Chloropropene Structural

What is 2-Chloropropene?

Chemical properties

CLEAR COLOURLESS LIQUID

The Uses of 2-Chloropropene

2-Chloropropene is used in measurement of photoionization cross sections of allyl and 2-propenyl radicals to form C3H5+ by tunable vacuum ultraviolet synchrotron radiation coupled with photofragment translational spectroscopy.

Preparation

1,2-Propadiene adds hydrogen chloride to yield 2-chloropropene. One early synthesis involves dehydrohalogenation of 1,2-dichloropropane with potassium hydroxide.

General Description

2-chloropropene appears as a clear colorless volatile liquid. Less dense than water and insoluble in water. Vapors heavier than air.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

Halogenated aliphatic compounds, such as 2-Chloropropene, are moderately or very reactive. Reactivity generally decreases with increased degree of substitution of halogen for hydrogen atoms. Low molecular weight haloalkanes are highly flammable and can react with some metals to form dangerous products. Low molecular weight haloalkenes are highly flammable, peroxidizable and may polymerize violently. They may react violently with aluminum. Materials in this group are incompatible with strong oxidizing and reducing agents. Also, they are incompatible with many amines, nitrides, azo/diazo compounds, alkali metals, and epoxides.

Health Hazard

May cause toxic effects if inhaled or absorbed through skin. Inhalation or contact with material may irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution.

Fire Hazard

HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. May polymerize explosively when heated or involved in a fire. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.

Safety Profile

Mildly toxic by inhalation. Mutation data reported. Very dangerous fire hazard when exposed to heat, flame, sparks, or powerful oxidizers. To fight fire, use water, spray, mist, fog, dry chemical, alcohol foam. When heated to decomposition it emits toxic fumes of Cl-. See also CHLORIDES.

Properties of 2-Chloropropene

Melting point: -138 °C
Boiling point: 23 °C
Density  0.91
refractive index  n20/D 1.395(lit.)
Flash point: -20°C
storage temp.  2-8°C
form  clear liquid
color  Colorless to Almost colorless
Water Solubility  Not miscible or difficult to mix in water.
BRN  1361376
InChI InChI=1S/C3H5Cl/c1-3(2)4/h1H2,2H3
CAS DataBase Reference 557-98-2(CAS DataBase Reference)
EPA Substance Registry System 2-Chloropropene (557-98-2)

Safety information for 2-Chloropropene

Signal word Danger
Pictogram(s)
ghs
Flame
Flammables
GHS02
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H224:Flammable liquids
H319:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P403+P233:Store in a well-ventilated place. Keep container tightly closed.

Computed Descriptors for 2-Chloropropene

InChIKey PNLQPWWBHXMFCA-UHFFFAOYSA-N
SMILES C=C(Cl)C

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