Mettler-Toledo Calibration substance ME 51143095, Potassium nitrate
SIAL/49143 - traceable to primary standards (LGC)
Synonym: Potassium nitrate
CAS Number: 7757-79-1
Empirical Formula (Hill Notation): KNO3
Molecular Weight: 101.10
EC Number: 231-818-8
MDL Number: MFCD00011409
Linear Formula: KNO3
Product Type: Chemical
| application(s) | food and beverages pharmaceutical |
| format | neat |
| grade | analytical standard |
| InChI | 1S/K.NO3/c;2-1(3)4/q+1;-1 |
| InChI key | FGIUAXJPYTZDNR-UHFFFAOYSA |
| mp | 334 °C (lit.) |
| quality | traceable to primary standards (LGC) |
| Quality Level | 100  |
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | [K+].[O-][N+]([O-])=O |
| Application: | Potassium nitrate, Mettler-Toledo calibration substance ME 51143095 is used as a melting point calibration standard to assess the performance of Mettler-Toledo melting point instruments. |
| Features and Benefits: | • Melting point traceable to a primary standard (LGC, London) • Physically correct and heating rate dependent melting point evaluations using thermodynamic and pharmacopeia modes of testing, respectively • Certificates of analysis and safety data sheet provided • Uncertainty of measurement up to ± 0.5 °C |
| General description: | Mettler-Toledo calibration substance ME 51143095, potassium nitrate is provided with the melting point specific to Mettler-Toledo instrument, documented under both thermodynamic mode and pharmacopeia modes. The melting point value equals a mean of 6 to 12 measurements with a Mettler-Toledo MP90 Excellence instrument that is calibrated with primary standards. The mp value is found using Capillary method, in accordance with European Pharmacopeia (2.2.14.) |
| Symbol |  GHS03 |
| Signal word | Warning |
| Hazard statements | H272 |
| Precautionary statements | P210 |
| Hazard Codes | O |
| Risk Statements | 8 |
| RIDADR | UN 1486 5.1 / PGIII |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 334 °C (lit.) |
| UNSPSC | 20121904 |