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2D Structure
Also known as: 12033-89-5, Silicon nitride (si3n4), Trisilicon tetranitride, Qhb8t06idk, Trisilicon tetranitride (alpha), Mfcd00011230
Molecular Formula
N4Si3
Molecular Weight
140.28  g/mol
InChI Key
HQVNEWCFYHHQES-UHFFFAOYSA-N
FDA UNII
QHB8T06IDK

1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
2,4,6,7-tetraza-1,3,5-trisilahexacyclo[3.1.1.01,4.02,5.03,6.03,7]heptane
2.1.2 InChI
InChI=1S/N4Si3/c1-5-2-6(1)3(5)7(1,2)4(5)6
2.1.3 InChI Key
HQVNEWCFYHHQES-UHFFFAOYSA-N
2.1.4 Canonical SMILES
N12[Si]34N5[Si]16N3[Si]25N46
2.2 Other Identifiers
2.2.1 UNII
QHB8T06IDK
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Si3n4

2.3.2 Depositor-Supplied Synonyms

1. 12033-89-5

2. Silicon Nitride (si3n4)

3. Trisilicon Tetranitride

4. Qhb8t06idk

5. Trisilicon Tetranitride (alpha)

6. Mfcd00011230

7. Silicon Nitride Nanofiber

8. 2,4,6,7-tetraza-1,3,5-trisilahexacyclo[3.1.1.01,4.02,5.03,6.03,7]heptane

9. Silicon(iv) Nitride

10. Silicon(iv) Nitride, Alpha Phase

11. Einecs 234-796-8

12. Needlelok

13. Siliconnitride

14. Sinova

15. Baysinid St

16. Unii-qhb8t06idk

17. Silicon Iv Nitride Powder

18. Ec 234-796-8

19. Widianit N 2000

20. Silicon Nitride Nanoparticles

21. Silicon (iv) Nitride

22. Silicon Nitride [mi]

23. Yttrium Oxide (y2o3) Powder

24. Dtxsid20892247

25. Silicon Nitride, Nist Rm 8983

26. Denka Silicon Nitride Sn-f 2

27. Silicon Nitride Powder, 98.5% Nano

28. Zinc247641488

29. Silicon Nitride Nanoparticle Dispersion

30. Iron Oxide (fe3o4) Sputtering Targets

31. Silicon Nitride Fiber, >80% (crystalline)

32. Ft-0694612

33. Silicon Nitride Si3n4 Grade B 7 (h?gan?s)

34. Silicon Nitride Si3n4 Grade M 9 (h?gan?s)

35. Silicon Nitride Si3n4 Grade M 11 (h?gan?s)

36. Q413828

37. Silicon Nitride, Powder, >=99.9% Trace Metals Basis

38. Silicon Nitride, Predominantly Alpha-phase, <=10 Micron

39. Starceram? N, Silicon Nitride, (rtp), Grade M (kyocera)

40. Starceram? N, Silicon Nitride, (rtp), Grade P (kyocera)

41. 1si-hexacyclo[3.1.1.0?,?.0?,?.0?,?.0?,?]trisilazane

42. Silicon Nitride Si3n4 Grade High Purity For Pv (h?gan?s)

43. Silicon Nitride, Erm(r) Certified Reference Material, Powder

44. Silicon(iv) Nitride, Electronic Grade, 99.85% (metals Basis)

45. Silicon Nitride Si3n4 Grade M 11 Higher Purity, Coarse (h?gan?s)

46. Particle Size Distribution Standard For Sedigraph Calibration, Nist Srm 659

47. Silicon Nitride, Predominantly Beta-phase, <=10micron Primary Particle Size

48. Silicon Nitride Powder - Specific Surface Area Standard, Nist(r) Srm(r) 1900

49. Silicon Nitride, Nanopowder, <50 Nm Particle Size (bet), >=98% Trace Metals Basis

50. Silicon Nitride, Nanopowder, <50 Nm Particle Size (spherical), >=98.5% Trace Metals Basis

51. 1005207-87-3

52. Silicon Nitride Powders, Nist(r) Srm(r) 656, For Quantitative Analysis By Powder Diffraction

53. Silicon(iv) Nitride, Mgo Binder, Sputtering Target, 50.8mm (2.0in) Dia X 3.18mm (0.125in) Thick

54. Silicon(iv) Nitride, Mgo Binder, Sputtering Target, 76.2mm (3.0in) Dia X 3.18mm (0.125in) Thick

55. Silicon(iv) Nitride, Mgo Binder, Sputtering Target, 76.2mm (3.0in) Dia X 6.35mm (0.250in) Thick

2.4 Create Date
2005-08-09
3 Chemical and Physical Properties
Molecular Weight 140.28 g/mol
Molecular Formula N4Si3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass139.94307562 g/mol
Monoisotopic Mass139.94307562 g/mol
Topological Polar Surface Area13 Ų
Heavy Atom Count7
Formal Charge0
Complexity154
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Pharmacology and Biochemistry
4.1 MeSH Pharmacological Classification

Air Pollutants, Occupational

Toxic air-borne matter related to work performed They are usually produced by the specific nature of the occupation. (See all compounds classified as Air Pollutants, Occupational.)