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Ethynamine, N,N-diethyl-2-phenyl-, also known as N,N-diethyl-2-phenylethanamine or 2-phenyl-N,N-diethylethanamine, is an organic compound with the chemical formula C12H19N. It is a colorless to pale yellow liquid with a characteristic amine-like odor. Ethynamine, N,N-diethyl-2-phenyl- is primarily used as a chemical intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. It is also known for its potential applications in the production of dyes, pigments, and other industrial chemicals. Ethynamine, N,N-diethyl-2-phenyl- is a member of the ethanamine family, which consists of derivatives of ethylamine, and is characterized by its two ethyl groups attached to the nitrogen atom and a phenyl group attached to the carbon atom.

4231-26-9

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4231-26-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4231-26-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,2,3 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4231-26:
(6*4)+(5*2)+(4*3)+(3*1)+(2*2)+(1*6)=59
59 % 10 = 9
So 4231-26-9 is a valid CAS Registry Number.

4231-26-9SDS

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 2-(diethylamino)-1-phenylacetylene

1.2 Other means of identification

Product number -
Other names N,N-Diethyl(2-phenylethinyl)amin

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 -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:4231-26-9 SDS

4231-26-9Relevant academic research and scientific papers

Cu-catalyzed aerobic oxidative three-component coupling route to N -sulfonyl amidines via an ynamine intermediate

Kim, Jinho,Stahl, Shannon S.

, p. 2448 - 2454 (2015/04/14)

Cu-catalyzed aerobic oxidative three-component coupling of a terminal alkyne, secondary amine, and sulfonamide enables efficient synthesis of amidines. The use of Cu(OTf)2 (5 mol %) produces amidines selectively without Glaser-Hay alkyne homocoupling products. Preliminary studies suggest that the reaction pathway involves initial oxidative coupling of the terminal alkyne with the secondary amine, followed by hydroamidation of the ynamine intermediate with the sulfonamide.

DEFLUORINATIVE COUPLING REACTIONS OF gem-DIFLUOROOLEFINS WITH ORGANOLITHIUM REAGENTS. NOVEL, FACILE METHODS FOR CHAIN ELONGATIONS OF ALDEHYDES LEADING TO AMIDES, ACETYLENES, AND KETONES

Hayashi, Sei-ichi,Nakai, Takeshi,Ishikawa, Nobuo

, p. 935 - 938 (2007/10/02)

Three types of coupling reactions of gem-difluoroolefins derived easily from aldehydes with lithium reagents (R'Li and R'2NLi) are described which constitute the facile procedures for conversions of aldehydes (RCHO) to amides (RCH2CONR'2), acetylenes (RCCR'), and ketones (RCH2COR').

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