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1,1-bis-(4-chloro-phenyl)-2,2-difluoro-ethanol, also known as 4,4'-(2,2-difluoroethylidene)bisphenol or bisphenol AF, is a synthetic organic compound characterized by its molecular formula C14H10Cl2F2O. 1,1-bis-(4-chloro-phenyl)-2,2-difluoro-ethanol features two 4-chlorophenyl groups connected by a 2,2-difluoroethanediyl bridge, which consists of a carbon-carbon single bond with two fluorine atoms attached to the central carbon atom. It is a colorless to pale yellow crystalline solid and is used as a monomer in the production of certain types of polymers, particularly in the manufacture of polyarylates, which are high-performance plastics known for their heat resistance and mechanical strength. Bisphenol AF is also used in the synthesis of some types of epoxy resins and other specialty chemicals. Due to its chemical structure, it is important to handle 1,1-bis-(4-chloro-phenyl)-2,2-difluoro-ethanol with care, as it may have potential health and environmental impacts.

841-31-6

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841-31-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 841-31-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,4 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 841-31:
(5*8)+(4*4)+(3*1)+(2*3)+(1*1)=66
66 % 10 = 6
So 841-31-6 is a valid CAS Registry Number.

841-31-6Relevant academic research and scientific papers

Organocatalytic direct difluoromethylation of aldehydes and ketones with TMSCF2H

Du, Guang-Fen,Wang, Ying,Gu, Cheng-Zhi,Dai, Bin,He, Lin

, p. 35421 - 35424 (2015/05/05)

An organic Lewis base promoted direct difluoromethylation reaction of carbonyl compounds with Me3SiCF2H has been studied. The Schwesinger's superbase can efficiently activate the Si-CF2H bond and initiate the difluoromethy

Efficient and direct nucleophilic difluoromethylation of carbonyl compounds and imines with Me3SiCF2H at ambient or low temperature

Zhao, Yanchuan,Huang, Weizhou,Zheng, Ji,Hu, Jinbo

supporting information; experimental part, p. 5342 - 5345 (2011/12/02)

Since 1995, Me3SiCF2H has been widely believed to be an inefficient difluoromethylating agent, which requires harsh reaction conditions to cleave its rather inert Si-CF2H bond. However, it has now been found that, by using

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