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Dicyclohexyl hydrogen phosphite is an organophosphorus compound with the chemical formula (C6H11)2PHO. It is a colorless, oily liquid that is soluble in organic solvents and has a mild, characteristic odor. dicyclohexyl hydrogen phosphite is primarily used as a ligand in various chemical reactions, particularly in the synthesis of transition metal complexes. It is also employed as a stabilizer for polyvinyl chloride (PVC) and as an antioxidant in the rubber and plastics industry. Due to its reactivity with oxygen and moisture, dicyclohexyl hydrogen phosphite is typically stored under an inert atmosphere to prevent degradation.

139-69-5

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139-69-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139-69-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,3 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 139-69:
(5*1)+(4*3)+(3*9)+(2*6)+(1*9)=65
65 % 10 = 5
So 139-69-5 is a valid CAS Registry Number.

139-69-5Relevant academic research and scientific papers

New synthesis of phosphorous and phosphoric acid esters

Froneman,Modro

, p. 201 - 204 (2007/10/02)

Reaction of alcohols with dialkyl phosphites in the presence of titanium tetraalkoxides results in a displacement of both or one ester function(s) by the RO groups of the alcohol used. The mixed phosphites, (R3O)(R1O)P(O)H, prepared by this method can be used as substrates for the mixed phosphates, (R4O)(R3O)(R1O)PO.

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