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Phosphinic acid, methylenebis[phenyl-], also known as phenylmethylenebis(phosphinic acid) or 1,1'-(methylenediphosphonato)bisbenzene, is an organophosphorus compound with the chemical formula C14H13O4P2. It is a white crystalline solid that is soluble in water and polar organic solvents. Phosphinic acid, methylenebis[phenyl- is characterized by its phosphinic acid groups connected through a methylene bridge, which provides unique properties such as chelating ability and acidity. It is used in various applications, including as a corrosion inhibitor, a flame retardant, and a ligand in coordination chemistry. Due to its potential health and environmental risks, it is important to handle this chemical with care and follow proper safety guidelines.

4851-69-8

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4851-69-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4851-69-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,5 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4851-69:
(6*4)+(5*8)+(4*5)+(3*1)+(2*6)+(1*9)=108
108 % 10 = 8
So 4851-69-8 is a valid CAS Registry Number.

4851-69-8SDS

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 [hydroxy(phenyl)phosphoryl]methyl-phenylphosphinic acid

1.2 Other means of identification

Product number -
Other names P,P'-diphenylmethylenediphosphinic acid

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:4851-69-8 SDS

4851-69-8Relevant academic research and scientific papers

Amino-substituted gem-diphosphonic acids: Dissociation mechanism and the structure of species in aqueous solutions

Matveeva,Pasechnik,Petrovskii,Matveev

, p. 1045 - 1058 (2000)

The mechanism of dissociation of amino-substituted gem-diphosphonic acids R2N(CH2)nCR′(PO3H2) 2 with different lengths of the alkylidene chain and different substituents at the N atom was s

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