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(3-Bromo-1-propyn-1-yl)trimethylsilane

(3-Bromo-1-propyn-1-yl)trimethylsilane structure

CAS No:
38002-45-8
Formula:
C6H11BrSi
Chemical Name:
(3-Bromo-1-propyn-1-yl)trimethylsilane
Synonyms:
Silane,(3-bromo-1-propyn-1-yl)trimethyl-;Silane,(3-bromo-1-propynyl)trimethyl-;(3-Bromo-1-propyn-1-yl)trimethylsilane;(3-Bromo-1-propynyl)trimethylsilane;3-(Trimethylsilyl)propargyl bromide;1-(Trimethylsilyl)-3-bromopropyne;3-Bromo-1-(trimethylsilyl)propyne;1-Bromo-3-trimethylsilyl-2-propyne;3-Bromo-1-(trimethylsilyl)-1-propyne;(Trimethylsilyl)propargyl bromide;(Bromomethyl)(trimethylsilyl)acetylene;3-Trimethylsilyl-2-propynyl bromide;1-Bromo-3-trimethylsilylyprop-2-yne;3-Bromo-1-(trimethylsily)-1-propyne;945634-98-0
Categories:
Chemical Reagents > Organic Reagents

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Description

Clear colorless to pale yellow liquid

(3-Bromo-1-propyn-1-yl)trimethylsilane Basic Attributes

Molecular Weight：

191.14

Exact Mass：

191.14

EC Number：

1592732-453-0

DSSTox ID：

DTXSID80349040

HScode：

2931900090

Characteristics

PSA：

XLogP3：

2.26210

Appearance：

Clear colorless to pale yellow liquid

Density：

1.351 g/cm³

Melting Point：

<0°C

Boiling Point：

44-45 °C @ Press: 2 Torr

Flash Point：

145 °F

Refractive Index：

1.467

Water Solubility：

Immiscible with water.

Storage Conditions：

2-8°C

Safety Information

Transport codes：

UN 3334

wgk germany：

hazard class code：

36/37/38

safety instructions：

26-28-36/37/39

Marks：

Precautionary statement(s)：

P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501

Hazard Statements：

H315

GHS Classification：

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 45 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

(3-Bromo-1-propyn-1-yl)trimethylsilane Use and Manufacturing

To a solution of triphenylphosphine (9.735 g, 37.11 mmol) in dry dichloromethane (46.0 mL) under NA solution of propargyl bromide (80percent in toluene, 6.69 mL, 60.0 mmol) in THF (75mL) was cooled to -78 °C under Ar. Lithium bis(trimethylsilyl)amide (10.37 g, 62.0mmol) was added under Ar, and the solution then stirred for 0.5 h. Chlorotrimethylsilane (10.15 mL, 80.0 mmol) was then added dropwise, and the solution stirred for 0.5 h, whereupon sat. NH4C1 (30 mL) was added, and the solution then warmed to RT. The solution was diluted with EtOAc, washed with brine, dried (MgSO4) and evaporated to give a crude oil. This was purified by Si02 chromatography (hexane as eluent), and then further purified by Kugelrohr distillation(70-90 °C, ambient pressure) to give compound 10 as a clear oil (8.09 g, 70percent): ‘H NIVIR (400 IVIHz; CDC13) 0.18 (s, 9H), 3.91 (s, 2H); ‘3C NIVIR (101 IVIHz; CDC13)-0.1, 14.9, 92.5, 100.2; JR (neat) v/cm’ 2960w, 2906w, 2180w, 1251m, 1204m, 1038m, 837s; MS(EJ): mlz = 174.9 [M-CH3].

Computed Properties

Molecular Weight:191.14
Rotatable Bond Count:1
Exact Mass:189.98134
Monoisotopic Mass:189.98134
Heavy Atom Count:8
Complexity:120
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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CAS No.: 38002-45-8

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Guide of (3-Bromo-1-propyn-1-yl)trimethylsilane

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
Latest News
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(3-Bromo-1-propyn-1-yl)trimethylsilane

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