244481
1-(Trimethylsilyl)propyne
99%
Synonym(s):
Trimethyl-1-propynylsilane
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About This Item
Linear Formula:
CH3C≡CSi(CH3)3
CAS Number:
Molecular Weight:
112.24
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
228-314-5
Beilstein/REAXYS Number:
1071311
MDL number:
Assay:
99%
Form:
liquid
vapor density
>1 (vs air)
Quality Level
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
Application
1-(Trimethylsilyl)propyne was used in the synthesis of highly substituted indenes via palladium-catalyzed carboannulation and indenones via a rhodium-catalyzed reaction with 2-bromophenylboronic acids.
flash_point_f
39.2 °F - closed cup
signalword
Danger
hcodes
Hazard Classifications
Flam. Liq. 2
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_c
4 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Regulatory Information
危险化学品
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Tetrahedron Letters, 33, 5969-5969 (1992)
Yasuyuki Harada et al.
Journal of the American Chemical Society, 129(17), 5766-5771 (2007-04-10)
The Rh-catalyzed reaction of alkynes with 2-bromophenylboronic acids involves carbonylative cyclization to give indenones. The key steps in the reaction involve the addition of an arylrhodium(I) species to an alkyne and the oxidative addition of C-Br bonds on the adjacent
Journal of the American Chemical Society, 105, 7473-7473 (1983)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 244481-25G | 04061838135131 |
| 244481-5G | 04061825759982 |