ChemicalBook--->CAS DataBase List--->598-23-2

598-23-2

598-23-2 Structure

598-23-2 Structure
IdentificationBack Directory
[Name]

3-METHYL-1-BUTYNE
[CAS]

598-23-2
[Synonyms]

Isopentyne
1-Isopentyne
3-Methylbutyne
Isopropylethyne
(CH3)2CHCequivCH
2-Methyl-3-butyne
3-METHYL-1-BUTYNE
3-methyl-but-1-yne
isopropylacetylene
Isopropyl acetylene
3-METHYL-1-BUTYNE,96%
3-Methyl-1-butyne 95%
3-Methyl-1-butyne ,95%
3,3-dimethyl-1-propyne
3-Methyl-1-butyneIsopropylacetylene
1-Butyne, 3-methyl- (6CI, 7CI, 8CI, 9CI)
[EINECS(EC#)]

209-925-6
[Molecular Formula]

C5H8
[MDL Number]

MFCD00039853
[MOL File]

598-23-2.mol
[Molecular Weight]

68.12
Chemical PropertiesBack Directory
[Appearance]

Clear colorless to slightly yellow liquid
[Melting point ]

-89.7°C
[Boiling point ]

29,5°C
[density ]

0,666 g/cm3
[RTECS ]

PF9060500
[Fp ]

-30°(-22°F)
[refractive index ]

1.374
[storage temp. ]

Refrigerator (+4°C)
[form ]

Liquid
[color ]

Clear colorless to slightly yellow
[Water Solubility ]

Miscible with alcohol. Immiscible with water.
[CAS DataBase Reference]

598-23-2
Hazard InformationBack Directory
[Chemical Properties]

Clear colorless to slightly yellow liquid
[Definition]

ChEBI: A terminal acetylenic compound that is but-1-yne substituted by a methyl group at position 3.
[Uses]

3-Methyl-1-butyne is a terminal alkyne that under goes hydrosilylation reaction using phenylsilane. 3-Methyl-1-butyne is used as an intermediate for pharmaceuticals, in cosmetics and in chemical research.
Safety DataBack Directory
[Hazard Codes ]

F+
[Risk Statements ]

11-12
[Safety Statements ]

3/7-9-16-33
[RIDADR ]

3295
[WGK Germany ]

3
[HazardClass ]

3.1
[PackingGroup ]

II
[HS Code ]

29012990
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