17739-47-8

Basic information

• Product Name: azanylidynephosphane
• Synonyms: azanylidynephosphane;Phosphorus pentanitr
• CAS NO: 17739-47-8
• Molecular Formula: NP
• Molecular Weight: 44.98
• Mol File: 17739-47-8.mol
• Article Data: 4

Chemical Properties

• Melting Point: decomposes at 800℃ [HAW93]
• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: /
• Density: g/cm³
• Water Solubility: insoluble cold H2O, decomposed by hot H2O (HAW93]; soluble in common organic solvents [HAW93]
• CAS DataBase Reference: azanylidynephosphane(CAS DataBase Reference)
• NIST Chemistry Reference: azanylidynephosphane(17739-47-8)
• EPA Substance Registry System: azanylidynephosphane(17739-47-8)

Safety Data

• Hazardous Substances Data: 17739-47-8(Hazardous Substances Data)

Usage

Chemical Properties

white, amorphous solid; stable in air [HAW93]

InChI:InChI=1/NP/c1-2

Upstream product

• 10102-43-9 nitrogen(II) oxide 
• 7664-41-7 ammonia 
• 7719-12-2 phosphorus trichloride 
• 7727-37-9 nitrogen 
• 12185-10-3 phosphorous 
• 12185-09-0 phosphorus 
• 940-71-6 2,2,4,4,6,6-hexachloro-1,3,5-triaza-2,4,6-triphosphorine 
• 7440-23-5 sodium 
• 7782-79-8 hydrogen azide 
• 7783-55-3 trifluorophosphane 
• 12185-10-3 phosphorus 
• 10024-97-2 dinitrogen monoxide 
• 7440-22-4 silver 
• 4635-47-6 thiophosphoryl triazide 

Downstream Products

• 7803-51-2 phosphan 
• 861015-03-4 PNO₂H₂ 
• 7727-37-9 nitrogen 
• 13446-12-3 ammonium dihydrogenphosphite 
• 291-37-2 cyclotriphosphazene 

Relevant articles and documents

The P(4Su) + N3(2Πg) Reaction: Chemical Generation of a New Metastable State of PN

The kinetics and spectroscopy of the chemiluminescent reaction between P(4Su) atoms and N3(2Πg) radicals were studied with a discharge-flow apparatus.The chemiluminescence exhibited three band systems, which were identified as PN (A1Π -> X1Σ+), PF (B3Π -> X3Σ-), and a previoiusly unobserved system in PN.From the spectrum of the new system, molecular constants of the excited state were found to be Te = 25863 +/- 16 cm-1, ω'e = 957 +/- 8 cm-1, and ωeX'e = 18 +/- 2 cm-1.This excited state appears to be significantly Franck-Condon shifted from the ground state, with 0.3 being the most intense band of the spectrum.From comparison of this system with the analogous N(4Su) + N3(2Πg) reaction, the new excited state of PN is expected to be a triplet metastable, either a3Π or a'3Σ+.Analysis of the time behavior of the removal of P atoms from the system indicated a rate constant of (4.7 +/- 0.4)E-11 cm3 s-1 for the P + N reaction.The lifetime of the excited metastable state of PN is greater than 4 ms.

Phosphorus(V) nitride α-P3N5: Synthesis starting from tetraaminophosphonium iodide and crystal structure determination by synchrotron powder diffraction

Pure phosphorus(V) nitride α-P3N5 was synthesized by thermal condensation of tetraaminophosphonium iodide [P(NH2)4]I at 825°C as a fine crystalline solid. The crystal structure was solved by direct methods and refined by a Rietveld algorithm on the basis of synchrotron powder diffraction data obtained at the ESRF, Grenoble, on beam-line BM1 (α-P3N5, Cc, a = 812.077(4), b = 583.433(4), c = 916.005(5) pm, β = 115.809(1)°, Z = 4, 699 observed reflections, wRp = 0.113, Rp = 0.091, RF = 0.060). With the same topology of the P-N network structure and similar R values the crystal structure may also be described with space group C2/c. In solid α-P3N5 there are PN4 tetrahedra which are connected through common edges and corners. Two out of five nitrogen each are bridging three and the remaining N are bridging two neighbouring P atoms. In a nonoxidizing atmosphere α-P3N5 is stable up to 800°C. Furthermore the compound is insoluble in all common solvents and resistant against hot acids and alkaline solutions.