Acetylene

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CAS Number

74-86-2

Molecular Formula

C2H2

Molecular Weight

26.04

API Name

Acetylene

Chemical Information

Acetylene

Acetylene is a gas molecular entity, an alkyne and a terminal acetylenic compound.

CAS Number	74-86-2
PubChem CID	6326
IUPAC Name	acetylene
Molecular Formula	C2H2
Molecular Weight	26.04
XLogP	0.4
Topological Polar Surface Area	0
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	0
Heavy Atom Count	2
Formal Charge	0
Complexity	8

SMILES

C#C

InChI

InChI=1S/C2H2/c1-2/h1-2H

InChIKey

HSFWRNGVRCDJHI-UHFFFAOYSA-N

Chemical Structure

2D Structure

CAS: 74-86-2

CID: 6326

Formula: C2H2

MW: 26.04

Interactive 3D Structure

Loading 3D structure...

Computed Properties

Property	Value
Molecular Weight	26.04
XLogP3	0.4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	0
Exact Mass	26.0156500638
Monoisotopic Mass	26.0156500638
Topological Polar Surface Area	0 Å²
Heavy Atom Count	2
Formal Charge	0
Complexity	8
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

Catalog	Name
269243-01	Cyclopropyl acetylene
OR18355-01	(Trimethylsilyl) acetylene
OR40699-01	(Triethylsilyl) acetylene
sc-237366	(Triphenylsilyl) acetylene
sc-228591	(Methyldiphenylsilyl) acetylene
S-158	Acetylene - 1ML
sc-507579	(Pentamethyldisilyl) acetylene
sc-236325	(Pentamethyldisilyl)acetylene
sc-251340	(Triisopropylsilyl) acetylene
sc-227911	(Dimethylphenylsilyl) acetylene