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49143

Mettler-Toledo Calibration substance ME 51143095, Potassium nitrate

traceable to primary standards (LGC)

Synonym(s):

Potassium nitrate

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About This Item

Empirical Formula (Hill Notation):
KNO3
CAS Number:
7757-79-1
Molecular Weight:
101.10
NACRES:
NA.24
PubChem Substance ID:
329757436
UNSPSC Code:
20121904
EC Number:
231-818-8
MDL number:
MFCD00011409
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grade

analytical standard

Quality Level

100

quality

traceable to primary standards (LGC)

shelf life

limited shelf life, expiry date on the label

mp

334 °C (lit.)

application(s)

food and beverages
pharmaceutical

format

neat

SMILES string

[K+].[O-][N+]([O-])=O

InChI

1S/K.NO3/c;2-1(3)4/q+1;-1

InChI key

FGIUAXJPYTZDNR-UHFFFAOYSA-N

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.)

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

pictograms

Flame over circle
GHS03

signalword

Warning

hcodes

H272

Hazard Classifications

Ox. Sol. 3

Storage Class

5.1B - Oxidizing hazardous materials

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

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