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3492-46-4

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3492-46-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3492-46-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,9 and 2 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 3492-46:
(6*3)+(5*4)+(4*9)+(3*2)+(2*4)+(1*6)=94
94 % 10 = 4
So 3492-46-4 is a valid CAS Registry Number.

3492-46-4SDS

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 2-bromo-2-oxo-4,5-benzo-1,3,2-dioxaphospholane

1.2 Other means of identification

Product number -
Other names 2-bromo-1,3,2-benzodioxaphosphole,2-oxide

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:3492-46-4 SDS

3492-46-4Downstream Products

3492-46-4Relevant articles and documents

Reaction of ortho-Phenylenedioxytrihalophosphoranes with Epichlorohydrin

Mironov,Konovalova,Khanipova

, p. 66 - 71 (2007/10/03)

Dynamic 31P NMR spectroscopy was applied to investigate the reactions of o-phenylenedioxytrihalophosphoranes and bis(o-phenylenedioxy)halophosphoranes with epichlorohydrin as a function of the reagent ratio. α-Opening of the epoxide ring predominantly occurs. With excess epichlorohydrin the reaction with o-phenylenedioxytrichlorophosphorane results in formation of pentaalkoxyphosphorane, while in the reaction with o-phenylenedioxytechintribromophosphorane a mixture of phosphate and pentaalkoxyphosphorane is formed.

REACTION OF 2-TERT-BUTOXY-4,5-BENZO-1,3,2-DIOXAPHOSPHOLANE WITH TRIBROMOACETALDEHYDE

Sinyashina, T. N.,Mironov, V. F.,Ofitserov, E. N.,Konovalova, I. V.,Pudovik, A. N.

, p. 1755 - 1757 (2007/10/02)

The reaction of 2-tert-butoxy-4,5-benzo-1,3,2-dioxaphospholane with tribromoacetaldehyde proceeds by initial halophilic attack on the bromine atom, leading to a product with retention of the P-Br bond (pyrocatechol bromophosphate) and an anion exchange product (pyrocatechol dibromovinylphosphate), and by initial attack at the carbon atom of the C=O group, which is accompanied by the elimination of isobutylene to form an α-hydroxyphosphonate.

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