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but-3-yn-2-yloxy(trimethyl)silane

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Origin: China

Cas No: 17869-76-0

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 17869-76-0 Formula: C7H14OSi Molecular Weight: 142.27100

Basic Info

Chemical Name	but-3-yn-2-yloxy(trimethyl)silane
Synonyms	2-(trimethyl-silyloxy)-but-3-yne; 3-trimethylsilyloxy-1-butyne; 3-(trimethylsiloxy)but-1-yne; 2-Trimethylsilyloxy-3-butyne; 3-(trimethylsiloxy)-1-butyne; (but-3-yn-2-yloxy)trimethylsilane; Silane,trimethyl[(1-methyl-2-propynyl)oxy]; Trimethyl[(1-methyl-2-propynyl)oxy]silane;
CAS No.	17869-76-0
Molecular Formula	C7H14OSi
Molecular Weight	142.27100
PSA	9.23000
LogP	1.85960

Properties

Appearance & Physical State	clear pale yellow liquid
Density	0.835g/cm3
Boiling Point	116ºC
Melting Point	127-131ºC(lit.)
Flash Point	9.8ºC
Refractive Index	n20/D 1.405(lit.)
Storage Condition	Refrigerator (+4ºC)
Vapor Pressure	23.5mmHg at 25°C

Safety Info

Safety Statements	S16
RIDADR	UN 1993 3/PG 2
Risk Statements	R11
Hazard Codes	F; Xi

Synthesis Route

3-Butyn-2-ol+hexamethyldisilazane→but-3-yn-2-yloxy(trimethyl)silane
3-Butyn-2-ol→but-3-yn-2-yloxy(trimethyl)silane
chlorotrimethylsilane+3-Butyn-2-ol→but-3-yn-2-yloxy(trimethyl)silane

Precursor

3-Butyn-2-ol
hexamethyldisilazane
triethyl-(1-methyl-prop-2-ynyloxy)-stannane
chlorotrimethylsilane

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