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Phosphonium, triphenyl[1-(trimethylsilyl)ethyl]-, iodide is a complex organic compound with the chemical formula C23H28PSi+I-. It is a phosphonium salt, which consists of a phosphonium cation (C23H28PSi+) and an iodide anion (I-). The phosphonium cation features a central phosphorus atom bonded to three phenyl groups and a 1-(trimethylsilyl)ethyl group. The trimethylsilyl group is a silicon-containing moiety with three methyl groups attached to a silicon atom, which is connected to an ethyl group. Phosphonium, triphenyl[1-(trimethylsilyl)ethyl]-, iodide is often used in organic synthesis, particularly in the formation of phosphonium ylides, which are important intermediates in the Wittig reaction for the synthesis of alkenes. The iodide salt form of the phosphonium compound is soluble in organic solvents and can be used to facilitate various chemical transformations.

3740-01-0

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3740-01-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3740-01-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,4 and 0 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3740-01:
(6*3)+(5*7)+(4*4)+(3*0)+(2*0)+(1*1)=70
70 % 10 = 0
So 3740-01-0 is a valid CAS Registry Number.

3740-01-0SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name [1-Trimethylsilyl-ethyl]-triphenyl-phosphoniumiodid

1.2 Other means of identification

Product number -
Other names α-Trimethylsilylethyl-triphenylphosphoniumiodid

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:3740-01-0 SDS

3740-01-0Relevant academic research and scientific papers

Synthesis and reactions of [1-(trialkylsilyl)alkylidene]triphenylphosphoranes

Bestmann,Bomhard,Dostalek,Pichl,Riemer,Zimmermann

, p. 787 - 792 (2007/10/02)

Alkylidenetriphenylphosphoranes 1 react with trialkyl halosilanes 2 to afford silylated alkylidenephosphoranes 5, which can be converted to acylated alkylidenephosphoranes 8 and 10 by trimethylsilyl carboxylates 6 or carboxylic anhydrides 10. Bis(acylalkylidenephosphoranes) 13-15 are available from 5 and bis(trimethylsilyl) dicarboxylates 12 or cyclic or polymeric anhydrides 16, 17.

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