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55249-23-5

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55249-23-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55249-23-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,2,4 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 55249-23:
(7*5)+(6*5)+(5*2)+(4*4)+(3*9)+(2*2)+(1*3)=125
125 % 10 = 5
So 55249-23-5 is a valid CAS Registry Number.

55249-23-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name diphenylselenophosphinic chloride

1.2 Other means of identification

Product number -
Other names diphenyl-phosphinoselenoic acid chloride

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:55249-23-5 SDS

55249-23-5Upstream product

55249-23-5Relevant articles and documents

New selenium-based iniferter agent for living free radical polymerization of styrene under UV irradiation

Zeng, Jindong,Zhu, Jian,Zhang, Zhengbiao,Pan, Xiangqiang,Zhang, Wei,Cheng, Zhenping,Zhu, Xiulin

, p. 2211 - 2218 (2012)

P,P-Diphenyl phosphinodiselenoic acid benzyl ester was synthesized and used as a mediator for the polymerization of styrene under UV-vis irradiation. Moderately controlled evidence was found: linear polymerization kinetics, linear evolution of molecular w

Synthesis of phosphinodiselenoic acid esters and their application as RAFT agents in styrene polymerization

Moon, Jeonju,Nam, Hyungoog,Kim, Sangseop,Ryu, Jeonga,Han, Changhun,Lee, Chanhong,Lee, Sunwoo

, p. 5137 - 5140 (2008/12/20)

Phosphinodiselenoic acid esters are synthesized from the reaction of chlorodiphenylphosphine and aryl- or alkyl-magnesium bromide in the presence of selenium powder. They are employed as RAFT agents in thermally initiated, styrene polymerization. The phos

Preparation and Some Reactions of Thioacyl Diphenylthiophosphinoyl and Thioacyl Diphenylphosphino Sulfides

Kato, Shinzi,Goto, Masahisa,Hattori, Rikizoh,Nishiwaki, Koh-ichi,Mizuta, Masateru,Ishida, Masaru

, p. 1668 - 1683 (2007/10/02)

The reaction of sodium or caesium dithiocarboxylates with diphenylthiophosphinic and diphenylselenophosphinic chlorides gives purple thioacyl diphenylthiophosphinoyl 5 and dark green thioacyl diphenylselenophosphinoyl sulfides 6, which are useful thioacylating reagents under mild reaction conditions.Thioacyl diphenylphosphino sulfides 22, which can be obtained by the similar method using diphenylphosphinous chlorides, react with methanol to yield the corresponding methyl dithiocarboxylates 15, while the reactions of 22 with N-chlorosuccinimide lead to hitherto unknown N-(thioacetylthio)succinimides 28.

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