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244481

Sigma-Aldrich

1-(Trimethylsilyl)propyne

99%

Synonym(s):

Trimethyl-1-propynylsilane

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$152.00
25 G
$233.00

About This Item

Linear Formula:
CH3C≡CSi(CH3)3
CAS Number:
6224-91-5
Molecular Weight:
112.24
Beilstein/REAXYS Number:
1071311
EC Number:
228-314-5
MDL number:
MFCD00009271
UNSPSC Code:
12352100
PubChem Substance ID:
24854680
NACRES:
NA.22

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vapor density

>1 (vs air)

assay

99%

form

liquid

refractive index

n20/D 1.417 (lit.)

bp

99-100 °C (lit.)

density

0.758 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

CC#C[Si](C)(C)C

InChI

1S/C6H12Si/c1-5-6-7(2,3)4/h1-4H3

InChI key

DCGLONGLPGISNX-UHFFFAOYSA-N

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1-(Trimethylsilyl)propyne 99%

244481

1-(Trimethylsilyl)propyne

1-(Trimethylsiloxy)cyclopentene 97%

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1-(Trimethylsiloxy)cyclopentene

2-(Trimethylsilyl)-2,3-pentadiene

720631

2-(Trimethylsilyl)-2,3-pentadiene

Allyltrimethoxysilane 95%

446955

Allyltrimethoxysilane

assay

99%

assay

97%

assay

-

assay

95%

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

density

0.758 g/mL at 25 °C (lit.)

density

0.878 g/mL at 25 °C (lit.)

density

0.746 g/mL at 25 °C

density

0.963 g/mL at 25 °C (lit.)

form

liquid

form

liquid

form

liquid

form

liquid

refractive index

n20/D 1.417 (lit.)

refractive index

n20/D 1.440 (lit.)

refractive index

n20/D 1.444

refractive index

n20/D 1.405 (lit.)

storage temp.

2-8°C

storage temp.

-

storage temp.

−20°C

storage temp.

-

Application

1-(Trimethylsilyl)propyne was used in the synthesis of highly substituted indenes via palladium-catalyzed carboannulation[1] and indenones via a rhodium-catalyzed reaction with 2-bromophenylboronic acids[2].

pictograms

Flame
GHS02

signalword

Danger

hcodes

H225

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

39.2 °F - closed cup

flash_point_c

4 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificates of Analysis (COA)

Lot/Batch Number
MKCX5095
MKCV8654
MKCS9972
MKCR1134
SHBJ6810

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