Fluor-butyl-phenyl-phosphit, also known as 4-fluorobutyl diphenylphosphinite, is an organophosphorus compound with the chemical formula C12H16FOP. It is a colorless liquid that is soluble in organic solvents and has a molecular weight of 218.23 g/mol. Fluor-butyl-phenyl-phosphit is primarily used as a flame retardant, plasticizer, and stabilizing agent in various industrial applications, including the production of plastics, rubber, and coatings. Due to its phosphorus content, it exhibits excellent thermal stability and flame resistance properties, making it a valuable additive in the manufacturing of materials that require enhanced fire safety.
The CAS Registry Mumber 1840-72-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,4 and 0 respectively; the second part has 2 digits, 7 and 2 respectively. Calculate Digit Verification of CAS Registry Number 1840-72: (6*1)+(5*8)+(4*4)+(3*0)+(2*7)+(1*2)=78 78 % 10 = 8 So 1840-72-8 is a valid CAS Registry Number.