The Diphenylphosphoryl azide, with the CAS registry number 26386-88-9, is also known as Phosphoric acid diphenyl ester azide; DPPA. It belongs to the product categories of Esterification;Coupling Reactions (Peptide Synthesis);Peptide Synthesis;Synthetic Organic Chemistry.This chemical's molecular formula is C₁₂H₁₀N₃O₃P and molecular weight is 275.20. Its EINECS number is 247-644-0. What's more,Its systematic name is Diphenyl azidophosphate.It is Colorless to yellow liquid, Stable,Incompatible with acids, strong oxidizing agents. And it is insoluble in the water.

Physical properties about Diphenylphosphoryl azide are:
(1)ACD/LogP: 2.995; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 3.00; (4)ACD/LogD (pH 7.4): 3.00; (5)ACD/BCF (pH 5.5): 111.29; (6)ACD/BCF (pH 7.4): 111.29; (7)ACD/KOC (pH 5.5): 1015.00; (8)ACD/KOC (pH 7.4): 1015.00; (9)#H bond acceptors: 6; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 5.

Safety Information of Diphenylphosphoryl azide:
The Diphenylphosphoryl azide is toxic by inhalation, in contact with skin and if swallowed .It is irritating to eyes, respiratory system and skin.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.When you use it,wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .

You can still convert the following datas into molecular structure:
(1)SMILES:c1ccc(cc1)OP(=O)(N=[N+]=[N-])Oc2ccccc2;
(2)Std. InChI:InChI=1S/C12H10N3O3P/c13-14-15-19(16,17-11-7-3-1-4-8-11)18-12-9-5-2-6-10-12/h1-10H;
(3)Std. InChIKey:SORGEQQSQGNZFI-UHFFFAOYSA-N;