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  7. 2-Butyne, 98%

2-Butyne, 98%

Product Code. 11424914
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Product Code. 11424914 Supplier Thermo Scientific Alfa Aesar Supplier No. A13823.22
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Estimated Shipment: 16-10-2026
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Description

CAS: 503-17-3 | C4H6 | 54.092 g/mol

2-Butyne is used to synthesize alkylated hydroquinones in the total synthesis of Vitamin E. It is also used as pharmaceutical intermediates.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
2-Butyne is used to synthesize alkylated hydroquinones in the total synthesis of Vitamin E. It is also used as pharmaceutical intermediates.

Solubility
Not miscible in water.

Notes
Avoid extremes of temperature and direct sunlight. Heat-sensitive. Avoid contact with oxidizing materials. Incompatible with Halogens. Chlorinated solvents.
TRUSTED_SUSTAINABILITY

Identifiants chimiques

CAS 503-17-3
Molecular Formula C4H6
Molecular Weight (g/mol) 54.092
MDL Number MFCD00009275
InChI Key XNMQEEKYCVKGBD-UHFFFAOYSA-N
Synonym 2-butyne, dimethylacetylene, crotonylene, unii-lke6d3018e, ch3cequivcch3, 1,2-dimethylvinylene, 1-methyl-1-propynyl, 2-butyn, acmc-209kl9
PubChem CID 10419
IUPAC Name but-2-yne
SMILES CC#CC

Spécification

Melting Point -32°C
Density 0.69
Boiling Point 24°C to 27°C
Flash Point −49°C (−56°F)
Odor Recognizable
Refractive Index 1.392
Quantity 100 g
UN Number UN3295
Beilstein 1361340
Solubility Information Not miscible in water.
Formula Weight 54.09
Percent Purity 98%
Chemical Name or Material 2-Butyne
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