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Di-(p-chlorophenyl)phosphinic azide is a chemical compound with the formula C12H8Cl2N3OP. It is a derivative of phosphinic acid, featuring two p-chlorophenyl groups and an azide group attached to the phosphorus atom. di-(p-chlorophenyl)phosphinic azide is known for its potential use as a reagent in organic synthesis, particularly in the formation of phosphorus-containing compounds. It is also of interest in the study of azide chemistry, which involves compounds with the -N3 group. The compound is typically synthesized through the reaction of di-(p-chlorophenyl)phosphinic acid with an appropriate azide source. Due to the presence of the azide group, which is a potent source of nitrogen, di-(p-chlorophenyl)phosphinic azide should be handled with care, as it can be sensitive to heat and shock, posing potential hazards.

4129-19-5

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4129-19-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4129-19-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,1,2 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4129-19:
(6*4)+(5*1)+(4*2)+(3*9)+(2*1)+(1*9)=75
75 % 10 = 5
So 4129-19-5 is a valid CAS Registry Number.

4129-19-5Relevant academic research and scientific papers

DIARYLPHOSPHINIC AZIDES. PHOTOCHEMICAL REACTIONS INCLUDING REARRANGEMENT IN METHANOL

Harger, Martin J.P.,Westlake, Sally

, p. 1511 - 1516 (2007/10/02)

On photolysis in methanol the diarylphosphinic azides Ar2P(O)N3 (Ar=phenyl, p-tolyl, p-anisyl, p-chlorophenyl) rearrange with loss of nitrogen to form (monomeric) metaphosphonimidates which are trapped by the solvent to give methyl NP-diarylphosphonamidates (7) (41-53percent).Diarylphosphinic amides (18-42percent) are also usually formed, presumably from (triplet) nitrenes.The limited evidence available suggests that the rearrangements take place directly from the photo-excited azides rather than via (singlet) nitrene intermediates.One of the products of rearrangement, methyl NP-di(p-chlorophenyl)phosphonamidate, suffers extensive photochemical dechlorination giving methyl N-phenyl-P-p-chlorophenylphosphonamidate.

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