5028-38-6 Usage
General Description
HBBPC, or 4,4'-Hexafluorisopropylidene diphenyl bisphenoxy phosphate, is a flame retardant and plasticizer used in various industrial applications. It is known for its effectiveness in increasing the flame resistance of plastics and polymers, making it a popular choice in the production of electronic components, cables, and construction materials. HBBPC is also used as a non-migration plasticizer and is valued for its low volatility and high thermal stability. However, studies have shown potential health and environmental concerns associated with the use of HBBPC, leading to increased scrutiny and research into its potential risks. As a result, there is ongoing interest in developing safer alternatives to HBBPC for use in flame retardant and plasticizing applications.
Check Digit Verification of cas no
The CAS Registry Mumber 5028-38-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,2 and 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5028-38:
(6*5)+(5*0)+(4*2)+(3*8)+(2*3)+(1*8)=76
76 % 10 = 6
So 5028-38-6 is a valid CAS Registry Number.
InChI:InChI=1/C14H11ClN2O/c15-10-7-5-9(6-8-10)13(18)14-16-11-3-1-2-4-12(11)17-14/h1-8,13,18H,(H,16,17)
5028-38-6Relevant articles and documents
A New Synthetic Method for the 2-Substitution of N-Unsubstituted Benzimidazoles: Formaldehyde as a Versatile Protecting Agent for Heterocyclic NH
Katritzky, Alan R.,Akutagawa, Kunihiko
, p. 2949 - 2952 (2007/10/02)
N-Unsubstituted benzimidazoles 1 are readily converted in a one-pot sequence into 2-substituted derivatives 2 with good overall yields.N-Protection with formaldehyde and lithiation with lithium N,N-diisopropylamide (LDA), n-butyllithium, or tert-butyllithium gives the dilithiohemiaminals 6, which readily react with a range of electrophiles at the 2-carbon.The 2-substituted 1-(lithioxymethyl)benzimidazoles 7 undergo smooth acid-catalyzed dehydroxymethylation under mild conditions to give N-unsubstituted 2-substituted benzimidazoles 2.
