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Basic Information
CAS No.: 873-31-4
Name: 1-CHLORO-2-ETHYNYLBENZENE
Molecular Structure:
Molecular Structure of 873-31-4 (1-CHLORO-2-ETHYNYLBENZENE)
Formula: C8H5 Cl
Molecular Weight: 136.581
Synonyms: Benzene,1-chloro-2-ethinyl- (3CI); (2-Chlorophenyl)acetylene; (2-Chlorophenyl)ethyne;(o-Chlorophenyl)acetylene; 1-Chloro-2-ethynylbenzene
Density: 1.125
Boiling Point: 64-65/15mm
Flash Point: 70 ºC
Appearance: Colourless Liquid
Hazard Symbols:
Risk Codes: R36/37/38   
Safety:
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36
Hazard Note Irritant/Keep Cold
PSA: 0.00000
LogP: 2.32130
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  • 1-CHLORO-2-ETHYNYLBENZENE

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    1-CHLORO-2-ETHYNYLBENZENE

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  • 2-ChlorophenylacetyleneCAS NO.: 873-31-4

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    873-31-4

    2-ChlorophenylacetyleneCAS NO.: 873-31-4

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  • 2-Chlorophenylacetylene

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    873-31-4

    2-Chlorophenylacetylene

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  • 1-CHLORO-2-ETHYNYLBENZENE

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    873-31-4

    1-CHLORO-2-ETHYNYLBENZENE

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    optoelectronic material Application:optoelectronic material

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Chemistry

Molecular 2-Chlorophenylacetylene (CAS NO.873-31-4):

Empirical Formula: C8H5Cl 
Molecular Weight: 136.5783 
Surface Tension: 40.9 dyne/cm 
Density: 1.15 g/cm3 
Flash Point: 64.6 °C 
Enthalpy of Vaporization: 40.93 kJ/mol 
Boiling Point: 190.6 °C at 760 mmHg 
Vapour Pressure: 0.744 mmHg at 25°C 
Index of Refraction: 1.564 
storage temp: Keep Cold
Chemical Properties: Colourless Liquid
Product Categories: Aromatic Halides (substituted);Aromatics Compounds;Aromatics

Safety Profile

Hazard Codes IrritantXi
Risk Statements 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
Hazard Note Irritant/Keep Cold

Specification

 2-Chlorophenylacetylene ,with CAS number of 873-31-4,can be called 1-Chloro-2-ethynylbenzene ; benzene, 1-chloro-2-ethynyl- .