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Acetylene 74-86-2

Acetylene (CAS 74-86-2, C2H2), is a colorless gas, widely used in welding and cutting metals, with a distinctive odor. It is highly flammable and can form explosive mixtures with air. Acetylene plays a crucial role in various industries such as metal fabrication, automotive, and construction. Its high temperature flame makes it ideal for welding and brazing applications. Additionally, acetylene is used in the production of various organic compounds and as a fuel for portable lighting and heating equipment.

Chemical Name Acetylene
CAS Registry Number 74-86-2
PubChemID 6326
Molecular Weight 26.03728
PSA 0.00000
LogP 0.24940
EINECS 200-816-9
Molecular Formula C2H2
Synonyms
  • 4-01-00-00939
  • Acetylen
  • C2H2
  • EINECS 200-816-9
  • ethenylene
  • Ethine
  • Ethyne
  • MFCD00008567
  • Narcylen
  • Vinylene
  • Welding Gas
 

74-86-2 Properties

  • Density 0.568 g/cm3
    Boiling Point -28℃
    Flash Point -18℃
    Melting Point -88℃
    Vapour 44.2 atm (NIOSH, 2016)
    Refractive Index 1.00051
    HS Code 2901292000
 

74-86-2 Safety Infomation

  • Safety Statements 9-16-33
    Risk Statements R5
    HazardClass 2.1
    PackingGroup O52
    Transport UN 1001
 

74-86-2 NMR Specturm

 

74-86-2   Synthesis Route

View all1888Synthesis Route >
 
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