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4,4'-Diisocyano-biphenyl, also known as 4,4'-Methylenebis(phenyl isocyanate), is an organic compound with the chemical formula C15H10N2O2. It is a white crystalline solid that is widely used in the production of polyurethane foams, elastomers, and coatings. 4,4'-DIISOCYANO-BIPHENYL is formed by the reaction of biphenyl with phosgene, resulting in the formation of a diisocyanate linkage. Due to its high reactivity, 4,4'-diisocyano-biphenyl is considered hazardous and requires proper handling and storage. It is also known for its potential health risks, including irritation to the eyes, skin, and respiratory system, as well as its classification as a sensitizer.

952-28-3

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952-28-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 952-28-3 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,5 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 952-28:
(5*9)+(4*5)+(3*2)+(2*2)+(1*8)=83
83 % 10 = 3
So 952-28-3 is a valid CAS Registry Number.

952-28-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name 4,4'-diisocyanobiphenyl

1.2 Other means of identification

Product number -
Other names 4,4'-diisocyanodiphenyl

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:952-28-3 SDS

952-28-3Relevant academic research and scientific papers

Synthesis and antiproliferative activity of aromatic and aliphatic bis[aminomethylidene(bisphosphonic)] acids

Goldeman, Waldemar,Nasulewicz-Goldeman, Anna

, p. 3475 - 3479 (2014/07/22)

A series of aromatic and aliphatic bis[aminomethylidene(bisphosphonic)] acids was synthesized in the reaction of triethylphosphite with isonitriles followed by hydrolysis or dealkylation. The in vitro anti-proliferative effect of all synthesized tetraphosphonic acids against MCF-7 breast cancer cells, J774E macrophages and HL-60 promyelocytic leukemia cells was determined. Three aromatic derivatives (5a, 5f and 5j) showed a similar or higher anti-proliferative activity than zoledronic acid.

A general simple methodology for synthesis of isonitriles using benzene-1,3-disulfonyl dichloride

Ghorbani-Vaghei, Ramin,Amiri, Mostafa,Veisi, Hojat

, p. 37 - 41 (2013/07/26)

Isonitrile derivatives have been synthesized in good to high yields by dehydration of aliphatic and aromatic formamides in the presence of benzene-1,3-disulfonyl dichloride as easy and efficient reagent.

Synthesis, characterization and mechanochromic behavior of binuclear gold (I) complexes with various diisocyano bridges

Liang, Jinhua,Hu, Fang,Lv, Xiaoyi,Chen, Zhao,Chen, Zhiming,Yin, Jun,Yu, Guang-Ao,Liu, Sheng Hua

, p. 485 - 490 (2012/10/30)

A series of binuclear gold (I) complexes were synthesized. Their structures were characterized by elemental analyses, IR spectrometry, UV-Vis spectroscopy and single crystal X-ray diffraction. Their fluorescent mechanochromic (tribochromic) properties were investigated. The results of the mechanochromic studies suggested that the gold complexes with methylsubstituted phenyl bridges exhibited mechanochromism and a 100 nm red-shift of fluorescent spectrum could be observed after grinding. The complex with a diphenylmethane bridge exhibited mechanochromism with a change in fluorescence from green to blue (25 nm red-shift after grinding). The ground complexes reverted to their original states by treatment with CH2Cl2. No mechanochromism was observed for either the biphenyl or diphenylethane containing complexes.

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