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917-92-0 - 3,3-Dimethyl-1-butyne, 98% - tert-Butylacetylene - A14013 - Alfa Aesar

A14013 3,3-Dimethyl-1-butyne, 98%

CAS Number
917-92-0
Synonyms
tert-Butylacetylene

Size Price ($) Quantity Availability
5g 55.44
25g 172.00
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3,3-Dimethyl-1-butyne, 98%

MDL
MFCD00008852
EINECS
213-035-3

Chemical Properties

Formula
C6H10
Formula Weight
82.15
Melting point
-78°
Boiling Point
37-38°
Flash Point
<-34°(-29°F)
Density
0.671
Refractive Index
1.3745
Solubility
Miscible with chloroform, benzene and toluene. Immiscible with water.

Applications

3,3-Dimethyl-1-butyne is used as an active pharmaceutical intermediate for terbinafine. It is also used in the preparation of 2,2,7,7-tetramethyl-octa-3,5-diyne. Further, it is used in the synthesis of erythro and threo isomers of B-(3,3-dimethyl-1,2-dideuterio-1-butyl)-9-BBN by hydroboration-deuteronolysis-hydroboration sequence.

Notes

Store in a cool place. Incompatible with strong oxidizing agents.

Literature References

1-Alkynes react with Schwartz's reagent, (Bis(cyclopentadienyl)­zirconium hydridochloride, L15164), to give vinyl zirconium complexes, which undergo conjugate addition to enones in the presence of a nickel catalyst: J. Am. Chem. Soc., 99, 8045 (1977):

Gao, P.; Wang, Z.; Wang, X.; Zhang, W.; Gao, Z. Linear and V-Shaped Alkynyl-1,3,5-tri­azines. Eur. J. Org. Chem. 2015, 2015 (32), 7020-7027.

Liu, D.; Qiu, Z.; Xie, Z. Synthesis, structure, and alkyne insertion of a mixed-sandwich zirconacarborane alkyl. Inorg. Chem. Front. 2015, 2 (5), 467-472.

GHS Hazard and Precautionary Statements

Hazard Statements: H225-H304

Highly flammable liquid and vapour. May be fatal if swallowed and enters airways.

Precautionary Statements: P210-P273-P233-P243-P301+P330+P331-P315-P403+P235

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid release to the environment. Keep container tightly closed. Take precautionary measures against static discharge. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Get immediate medical advice/attention. Store in a well-ventilated place. Keep cool.

Other References

Beilstein
1697100
Hazard Class
3
Packing Group
II
Harmonized Tariff Code
2901.29
TSCA
No

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