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13933-52-3

13933-52-3

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13933-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13933-52-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,9,3 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 13933-52:
(7*1)+(6*3)+(5*9)+(4*3)+(3*3)+(2*5)+(1*2)=103
103 % 10 = 3
So 13933-52-3 is a valid CAS Registry Number.
InChI:InChI=1/Na.H3O3P/c;1-4(2)3/h;4H,(H2,1,2,3)/q+1;/p-1

13933-52-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name sodium,dioxido(oxo)phosphanium,hydron

1.2 Other means of identification

Product number -
Other names sodium hydrogen phosphite

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:13933-52-3 SDS

13933-52-3Downstream Products

13933-52-3Relevant articles and documents

Organophosphorus chemistry without PCl3: A bridge from hypophosphorous acid to H-phosphonate diesters

Fisher, Henry C.,Prost, Lucie,Montchamp, Jean-Luc

, p. 7973 - 7978 (2014/01/06)

A process for the conversion of hypophosphorous acid (H3PO 2, HPA) and alcohols into various H-phosphonate diesters [(RO) 2P(O)H] is described. The new reaction provides a missing bridge between HPA and important H-phosphonates, completely avoiding the use of PCl3. Nickel chloride or nickel on silica catalyze the oxidative phosphorylation of alkyl phosphinates with various alcohols or water. The reaction is atom economic and avoids the formation of waste products. The previous need for both chlorine and base is completely avoided. Esterification of hypophosphorous acid followed by reaction with another molecule of alcohol under the action of a nickel catalyst provides a green method for the preparation of H-phosphonates. This method entirely avoids the need for any stoichiometric chloride unlike those based on phosphorus trichloride. Copyright

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