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4,4-Dimethyl-2-pentyne, 97+%, Thermo Scientific Chemicals

Supplier:  Thermo Scientific Chemicals L1021006

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Catalog No. AAL1021006


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Description

Description

4,4-Dimethyl-2-pentyne is used in organometallic reactions for regioselectivity of its insertion into the Pd-C bond of cyclopalladated complexes. It is also used to prepare pyrimidine-dione by reacting with isocyanate in the presence of nickel/ N-heterocyclic carbene.

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
4,4-Dimethyl-2-pentyne is used in organometallic reactions for regioselectivity of its insertion into the Pd-C bond of cyclopalladated complexes. It is also used to prepare pyrimidine-dione by reacting with isocyanate in the presence of nickel/ N-heterocyclic carbene.

Solubility
Immiscible with water.

Notes
Incompatible with oxidizing agents.
Specifications

Specifications

4,4-Dimethyl-2-pentyne
0.718
−10°C (14°F)
C7H12
(CH3)3CC≡CCH3
5 g
1733540
Immiscible with water.
CC#CC(C)(C)C
96.17
96.17
999-78-0
82°C
Petrol-like
1.4085
MFCD00041613
UN3295
4,4-dimethyl-2-pentyne, 2-pentyne, 4,4-dimethyl, acmc-20amsk, t-butylmethylacetylene, propyne, 1-tert-butyl, 2,2-dimethyl-3-pentyne, 4,4-dimethyl-pent-2-yne, tert-c4h9 c.$.cch3, tert-butylmethylacetylene, 4,4-dimethyl-2-pentyne,
FOALCTWKQSWRST-UHFFFAOYSA-N
4,4-dimethylpent-2-yne
136786
≥97%

Chemical Identifiers

999-78-0
96.17
FOALCTWKQSWRST-UHFFFAOYSA-N
136786
CC#CC(C)(C)C
C7H12
MFCD00041613
4,4-dimethyl-2-pentyne, 2-pentyne, 4,4-dimethyl, acmc-20amsk, t-butylmethylacetylene, propyne, 1-tert-butyl, 2,2-dimethyl-3-pentyne, 4,4-dimethyl-pent-2-yne, tert-c4h9 c.$.cch3, tert-butylmethylacetylene, 4,4-dimethyl-2-pentyne,
4,4-dimethylpent-2-yne
Safety and Handling

Safety and Handling

GHS H Statement
H225-H304
Highly flammable liquid and vapor.
May be fatal if swallowed and enters airways.

P210-P233-P240-P241-P242-P243-P280-P301+P310-P303+P361+P353-P331-P370+P378q-P501c

H225-H304

DOTInformation : Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: HYDROCARBONS, LIQUID, N.O.S.

TSCA : No

Recommended Storage : Ambient temperatures

SDS
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