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Di(2-butenyl)zinc is an organozinc compound with the chemical formula (C4H7)2Zn. It is a colorless, volatile liquid that is highly reactive and sensitive to air and moisture. Di(2-butenyl)zinc is primarily used as a reagent in organic synthesis, particularly in the formation of carbon-carbon bonds through the Negishi coupling reaction. Di(2-butenyl)zinc is synthesized by reacting 2-butenyl bromide with metallic zinc, and it is often used in the presence of a copper(I) halide catalyst to facilitate the coupling reaction. Due to its high reactivity, it is essential to handle di(2-butenyl)zinc under an inert atmosphere, such as nitrogen or argon, to prevent unwanted side reactions.

7544-41-4

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7544-41-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7544-41-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,5,4 and 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 7544-41:
(6*7)+(5*5)+(4*4)+(3*4)+(2*4)+(1*1)=104
104 % 10 = 4
So 7544-41-4 is a valid CAS Registry Number.

7544-41-4SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-ethyl-5-methyl-aniline

1.2 Other means of identification

Product number -
Other names 3-Aethyl-5-methyl-anilin

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:7544-41-4 SDS

7544-41-4Relevant academic research and scientific papers

GEMISCHTE ORGANOZINKVERBINDUNGEN DURCH AUSTAUSCHREAKTIONEN VON DIORGANOZINKVERBINDUNGEN

Nehl, Hans,Scheidt, Walter R.

, p. 1 - 8 (2007/10/02)

The exchange of organyl groups between various diorganozinc compounds, R12Zn (R1=CHMe2 (1), CH2(CH2)2Me (2), CH2C(Me)=CH2 (3), CH2CH=CHMe (4)) and R22Zn (R2=Et (5), CH(Me)Et (6), CH2(CH2)3Me (7), CMe3 (8), Menth

BIS(ALK-2-ENYL)ZINK AUS ORGANOMAGNESIUMHALOGENIDEN

Lehmkuhl, Herbert,Doering, Ingo,McLane, Raymond,Nehl, H.

, p. 1 - 6 (2007/10/02)

The dialk-2-enyl zinc compounds II, XI-XIV can be prepared via reaction of ZnCl2 with the corresponding alk-2-enylmagnesium halides I, VII-X at 20-35 deg C in ether in 68-94percent yield.Diprop-2-enylzinc (II) oligomerizes into 2-allylpropane-1,3-diylzinc (III) during attempted sublimation at 30-50 deg C.The yield of II decreases therefore to 15percent.The oligomerization can be prevented by complexation of II with dioxane.In this case II is obtained in 86percent yield by cleavage of the dioxane complex.

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