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Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
218170
Ethynyltrimethylsilane
98%
Synonym(s):
Trimethylsilylacetylene
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vapor pressure
4.18 psi ( 20 °C)
Quality Level
assay
98%
form
liquid
refractive index
n20/D 1.388 (lit.)
bp
53 °C (lit.)
density
0.709 g/cm3 (lit.)
storage temp.
2-8°C
SMILES string
C[Si](C)(C)C#C
InChI
1S/C5H10Si/c1-5-6(2,3)4/h1H,2-4H3
InChI key
CWMFRHBXRUITQE-UHFFFAOYSA-N
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This Item | 422150 | 196681 | 523380 |
|---|---|---|---|
| assay 98% | assay 98% | assay 99% | assay 97% |
| Quality Level 200 | Quality Level - | Quality Level 100 | Quality Level 200 |
| bp 53 °C (lit.) | bp - | bp 80-81 °C/20 mmHg (lit.) | bp - |
| storage temp. 2-8°C | storage temp. - | storage temp. - | storage temp. - |
| density 0.709 g/cm3 (lit.) | density - | density 1.278 g/mL at 25 °C (lit.) | density - |
| refractive index n20/D 1.388 (lit.) | refractive index - | refractive index n20/D 1.4583 (lit.) | refractive index - |
General description
Application
- microwave-assisted, one-pot, three-step Sonogashira cross-coupling-desilylation-cycloaddition reaction for the preparation of 1,4-disubstituted 1,2,3-triazoles[3]
- synthesis of poly(ethynyltrimethylsilane) containing Pd (II) coordination sites[4]
- pyrazole synthesis via 1,3-dipolar cycloaddition of diazo compounds to acetylenes[5]
signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2
Storage Class
3 - Flammable liquids
wgk_germany
WGK 1
flash_point_f
-29.2 °F
flash_point_c
-34 °C
ppe
Faceshields, Gloves, Goggles
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How is shipping temperature determined? And how is it related to the product storage temperature?
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If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdfHelpful?
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