Silicon nitride
SIAL/NISTRM8983 - NIST® RM 8983
CAS Number: 12033-89-5
Empirical Formula (Hill Notation): N4Si3
Molecular Weight: 140.28
MDL Number: MFCD00011230
Linear Formula: Si3N4
Product Type: Chemical
| application(s) | glass & ceramic |
| density | 3.44 g/mL at 25 °C (lit.) |
| format | matrix material |
| grade | certified reference material |
| InChI | 1S/N4Si3/c1-5-2-6(1)3(5)7 |
| InChI key | HQVNEWCFYHHQES-UHFFFAOYSA |
| manufacturer/tradename | NIST® |
| Quality Level | 100 ![]() |
| SMILES string | N12[Si]34N5[Si]16N3[Si]25 |
| Application: | The Reference Material silicon nitride powder is intended for use as an analytical standard for determining nitrogen, oxygen, and carbon in silicon nitride powder using the high-temperature combustion method. |
| Features and Benefits: | • The non-certified values for total nitrogen, oxygen, and carbon are reported on an as-received basis and expressed as mass fraction. • The period of validity, maintenance of non-certified values, and storage instructions are provided on NIST certificate. |
| General description: | Each unit of RM 8983 comprises a bottle containing approximately 4.5 g of silicon nitride powder. |
| Legal Information: | NIST is a registered trademark of National Institute of Standards and Technology |
| Other Notes: | Reference/Informational value is provided for the following analytes. Nitrogen (N), Oxygen (0), Carbon (C) See certificate for values and more details at nist.gov/SRM. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | nwg |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Density | 3.44 g/mL at 25 °C (lit.) |
| UNSPSC | 41116107 |

