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4,4-Dimethyl-pent-2-ynal, also known as 4,4-dimethyl-2-pentyn-1-al or 4,4-dimethylpent-2-ynal, is an organic compound with the chemical formula C7H10O. It is a colorless liquid with a strong, pungent odor. This aldehyde is characterized by the presence of a triple bond (C≡C) between the second and third carbon atoms, as well as two methyl groups (CH3) attached to the fourth carbon atom. 4,4-Dimethyl-pent-2-ynal is used as a fragrance ingredient in various consumer products, such as perfumes, cosmetics, and personal care items, due to its unique, floral scent. It is synthesized through chemical reactions and is considered to be relatively stable, although it may undergo oxidation or polymerization under certain conditions.

2579-21-7

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2579-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2579-21-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,7 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2579-21:
(6*2)+(5*5)+(4*7)+(3*9)+(2*2)+(1*1)=97
97 % 10 = 7
So 2579-21-7 is a valid CAS Registry Number.
InChI:InChI=1/C7H10O/c1-7(2,3)5-4-6-8/h6H,1-3H3

2579-21-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name 4,4-dimethylpent-2-ynal

1.2 Other means of identification

Product number -
Other names 4,4-dimethyl-pent-2-ynal

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
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More Details:2579-21-7 SDS

2579-21-7Relevant academic research and scientific papers

Decarbopalladation of π-allylpalladium intermediates formed from palladium-catalyzed arylations of 3-allen-1-ols

Oh, Chang Ho,Jung, Seung Hyun,Bang, Su Youn,Park, Dai In

, p. 3325 - 3327 (2007/10/03)

eqution presented Unusual palladium-catalyzed arylative fragmentations of acyclic 3-allen-1-ols were observed. Oxidative addition of Pd(0) to aryl halides would form the arylpalladium halides, which added to the central carbon of allenes via carbopalladation to form the π-allylpalladium intermediates. The π-allylpalladium intermediates would be reductively eliminated via carbon-carbon cleavage to give the arylated dienes and the α-hydroxyalkylpalladium intermediates, which were further reductively eliminated to the corresponding aldehydes.

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