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2,2'-Methylenebis[4-bromo-6-(1,1-dimethylethyl)phenol], also known as tribromsalan or tetrabromobisphenol A, is a brominated flame retardant chemical compound. It is a white crystalline solid with a molecular formula of C15H16Br2O2 and a molecular weight of 430.1 g/mol. 2,2'-Methylenebis<4-bromo-6-(1,1-dimethylethyl)phenol> is primarily used as a reactive flame retardant in various polymers, such as epoxy resins, unsaturated polyester resins, and polycarbonates, to enhance their fire resistance. It functions by releasing bromine during combustion, which interrupts the chain reactions involved in the combustion process. However, due to concerns over its environmental persistence and potential health risks, its use has been restricted or banned in some regions.

1168-48-5

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1168-48-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1168-48-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,1,6 and 8 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1168-48:
(6*1)+(5*1)+(4*6)+(3*8)+(2*4)+(1*8)=75
75 % 10 = 5
So 1168-48-5 is a valid CAS Registry Number.

1168-48-5Relevant academic research and scientific papers

Synthesis and Structure of 2,2'-Dihydroxybenzophenones and 1,8-Dihydroxyfluorenones

Sharma, Vijay,Bachand, Benoit,Simard, Michel,Wuest, James D.

, p. 7785 - 7792 (1994)

Derivatives of 2,2'-dihydroxybenzophenone and 1,8-dihydroxyfluorenone are interesting because their structures juxtapose a carbonyl group and two hydroxyl groups, thereby permitting them to be used to study the double electrophilic activation of carbonyl

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