Isopropenylacetylene

HCID 62323CAS 78-80-8

Basic information

Standard SMILES
C#CC(=C)C
InChIKey
BOFLDKIFLIFLJA-UHFFFAOYSA-N
Molecular formula
C5H6
Average molar mass
66.1 g/mol
Monoisotopic mass
66.04695019

Overview

isopropenylacetylene has been reported in Chrysanthemum morifolium with data available.

Names & identifiers

Preferred name
Isopropenylacetylene
IUPAC
2-methylbut-1-en-3-yne
English name
2-Methyl-1-buten-3-yne
Molecular formula
C5H6
Molecular weight
66.1

Names & synonyms

2-Methyl-1-buten-3-yneIsopropenylacetylene2-Methylbut-1-en-3-yne78-80-83-Methyl-3-buten-1-yne1-BUTEN-3-YNE, 2-METHYL-2-MethylbutenyneEINECS 201-144-9P92A4F7TZSBRN 09691752-Methyl-1-butenyneAI3-25132
Show more names
ValyleneCH2=C(CH3)CequivCHIsopropenylancetylene2-methyl-1-buten-3-ynISOPROPENYLACETHYLENE
NSC-92963-methyl-3-butene-1-yne1-Butene-3-yne, 2-methyl-CH2=C(CH3)C.$.CHDTXSID202286484-01-00-01089 (Beilstein Handbook Reference)RefChem:149789DTXCID70151139

Database identifiers

CAS
78-80-8
PubChem CID
62323
DTXSID
DTXSID20228648
UNII
P92A4F7TZS
EC Number
201-144-9
Nikkaji
J42.742J

Properties

Computed structural properties

XLogP
1.9
Topological polar surface area
0 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
0
Rotatable bonds
1
Heavy atoms
5

Experimental & physicochemical properties

Chemical ClassesFlammable agents - 4th degree
SpringerMaterials PropertiesCoriolis coupling

Physicochemical properties

Melting point
-113 °C · -113 °C
Boiling point
32 °C · 32 °C(lit.)
Density
0.695 g/mL · 0.695 g/mL at 25 °C(lit.)
vapor pressure
8.96 psi · 8.96 psi ( 20 °C)
refractive index
20 · n20/D 1.416(lit.)
Flash point
20 °F · 20 °F

Safety & regulation

GHS classification

GHS Classification · 4 items

Danger

H224 (95.7%): Extremely flammable liquid and vapor [Danger Flammable liquids]

P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P270, P271, P280, P301+P316, P301+P317, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P317, P319, P321, P330, P331, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 47 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory InformationThe New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)
Hazard Classes and Categories · 2 items

Flam. Liq. 1 (95.7%)

Flammable agents - 4th degree, Reactive agents - 2nd degree

Safety data

F
10-19-23
PPE
Eyeshields, Faceshields, Gloves
wgk
3
rtecs
EN0960000
ridadr
UN 3295 3/PG 1
hs_code
29012900

Chemistry & industry

Applications

Uses2-Methyl-1-buten-3-yne is a reagent used in analytical studies to determine the aroma compounds present in various things by using pyrolysis gas chromatography mass spectrometry techniques.

Suppliers35 total

Career Henan Chemica Co+86-0371-86658258 +86-13203830695 · [email protected]
上海麦克林生化科技股份有限公司021-50706066 15221275939 · [email protected]
阿法埃莎(中国)化学有限公司400-6106006 · [email protected]
安耐吉化学&3A(安徽泽升科技股份有限公司)400-0056266 · [email protected]
江苏艾康生物医药研发有限公司025-5885952 15955137747 · [email protected]

Related reactions

22 records

Linked notes

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