Welcome to LookChem.com Sign In|Join Free

CAS

  • or

4846-23-5

Post Buying Request

4846-23-5 Suppliers

Recommended suppliersmore

  • Product
  • FOB Price
  • Min.Order
  • Supply Ability
  • Supplier
  • Contact Supplier

4846-23-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4846-23-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,4 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4846-23:
(6*4)+(5*8)+(4*4)+(3*6)+(2*2)+(1*3)=105
105 % 10 = 5
So 4846-23-5 is a valid CAS Registry Number.
InChI:InChI=1/C6H5O4P/c7-11(8)9-5-3-1-2-4-6(5)10-11/h1-4H,(H,7,8)/p-1

4846-23-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-hydroxy-1,3,2λ<sup>5</sup>-benzodioxaphosphole 2-oxide

1.2 Other means of identification

Product number -
Other names Phosphorsaeure-o-phenylenester

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:4846-23-5 SDS

4846-23-5Relevant articles and documents

-

Cherbuliez et al.

, p. 841 (1951)

-

Controlled/living ring-opening polymerization of ε-caprolactone catalyzed by phosphoric acid

Chen, Chun Xia,Xu, Rong,Li, Bin

, p. 1257 - 1262 (2012/11/13)

The bulk ring-opening polymerization (ROP) of ε-caprolactone (ε-CL) by various phosphoric acids using phenylmethanol as the initiator was conducted. 1,1'-bi-2-Naphthol (BINOL)-based phosphoric acid was found to be an effective organocatalyst for ROP leading to polyesters at 90°C. The overall conversion to poly(ε-caprolactone) was more than 96% and poly(ε-caprolactone) with Mw of 8400 and polydispersity index of 1.13 was obtained. 1H NMR spectra of oligomers demonstrated the quantitative incorporation of the protic initiator in the polymer chains and showed that transesterification reactions did not occur to a significant extent. The controlled polymerization was indicated by the linear relationships between the number- average molar mass and monomer conversion or monomer-to-initiator ratio. In addition, the present protocol provided an easy-to-handle, inexpensive and environmentally benign entry for the synthesis of biodegradable materials as well as polyesters for biomedical applications. Science China Press and Springer-Verlag Berlin Heidelberg 2012.

Organophosphorus Antioxidants. II. Kinetics and Mechanism of the Decomposition of Alkylhydroperoxides by Esteramides of Phosphorous and Phosphoric Acid

Rueger, C.,Arnold, D.,Schwetlick, K.

, p. 706 - 716 (2007/10/02)

The reaction mechanism of 2-amido-1,3,2-benzodioxaphospholes (1) with cumyl and t-butylhydroperoxide has been studied kinetically by means of 31P-n.m.r. and e.p.r. spectroscopy and high pressure liquid chromatography. 1 reacts with cumyl hydroperoxide to give the corresponding 2-oxides (2) which with more hydroperoxide and/or water form the phosphate esters 7 and 8.These acidic phosphates decompose cumyl hydroperoxide catalytically giving phenol and aceton.All amides (1) react with t-butyl hydroperoxide stoichiometrically to give t-butanol.The ionic mechanism of hydroperoxide decomposition is accompanied in a minor proportion by a homolytical one.

Post a RFQ

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

1

What can I do for you?
Get Best Price

Get Best Price for 4846-23-5