3-METHYL-1-BUTYNE

3-METHYL-1-BUTYNE Basic information

Product Name:	3-METHYL-1-BUTYNE
Synonyms:	1-Butyne, 3-methyl- (6CI, 7CI, 8CI, 9CI);3-METHYL-1-BUTYNE,96%;3-Methyl-1-butyneIsopropylacetylene;3-Methyl-1-butyne ,95%;1-Isopentyne;Isopropylethyne;3-Methyl-1-butyne 95%;(CH3)2CHCequivCH
CAS:	598-23-2
MF:	C5H8
MW:	68.12
EINECS:	209-925-6
Product Categories:
Mol File:	598-23-2.mol

3-METHYL-1-BUTYNE Chemical Properties

Melting point	-89.7°C
Boiling point	29,5°C
density	0.666 g/mL at 25 °C (lit.)
RTECS	PF9060500
Fp	-30°(-22°F)
refractive index	1.374
storage temp.	2-8°C
form	Liquid
color	Clear colorless to slightly yellow
Water Solubility	Miscible with alcohol. Immiscible with water.
CAS DataBase Reference	598-23-2

Safety Information

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

MSDS Information

3-METHYL-1-BUTYNE Usage And Synthesis

Chemical Properties	Clear colorless to slightly yellow liquid
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.
Definition	ChEBI: A terminal acetylenic compound that is but-1-yne substituted by a methyl group at position 3.

3-METHYL-1-BUTYNE Preparation Products And Raw materials

Raw materials	1-Butene, 1,1-dibromo-3-methyl--->1,1-dichloro-3-methylbutane-->1,2-DIBROMO-3-METHYLBUTANE-->2-methylbut-3-yn-1-ol-->1,1-Dichloro-3-methylbutene-1-->1,2-Butadiene, 1-bromo-3-methyl--->1-(TRIPHENYLPHOSPHORANYLIDENE)-3-METHYL&-->3-METHYL-1,2-BUTADIENE-->2,2-dichloro-3-methylbutane-->DIISOPROPYL SULFATE-->3-Methyl-2-butanone-->SODIUM ACETYLIDE-->Isoprene-->2-METHYL-1-BUTEN-3-YNE
Preparation Products	3-CHLORO-3-METHYL-1-BUTYNE-->4-METHYL-2-PENTYNE-->Stellasterol-->Iodobenzene

1-Bromo-3-Methyl-2-Butyne 3,5-DIMETHYL-1-HEXYN-3-OL 2,7-DIMETHYL-3,5-OCTADIYN-2,7-DIOL 1-(Trimethylsilyl)-3-methyl-1-butyne 3-Acetoxy-3-methyl-1-butyne,Acetic acid 2-methyl-3-butyne-2-yl ester 10-Propargyl-10-deazaaminopterin 3-Methyl-1-pentyn-3-ol 1-Chloro-2-methyl-3-pentyn-2-ol 3-Isopropoxy-3-methyl-1-butyne 3-METHOXY-3-METHYL-1-BUTYNE 1,1-DIETHYLPROPARGYLAMINE 1,1,3-Triphenylpropargyl alcohol 1-(3,5-BIS(TRIFLUOROMETHYL)PHENYL)-3-HYDROXY-3-METHYL-1-BUTYNE 1-Bromo-3-methyl-1-butyne-3-ol 1-Phenyl-3-methyl-1-butyne-3-ol 17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-methyl ether 5-(3-HYDROXY-3-METHYL-BUT-1-YNYL)-NICOTINIC ACID (+)-α-(3-Methyl-1-butyne-3-enyl)-L-mandelic acid tropane-2α-yl ester

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