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335134

Sigma-Aldrich

Potassium nitrate-15N

98 atom % 15N

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Synonym(s):
15N Labeled potassium nitrite, 15N Labeled KNO3
Linear Formula:
K15NO3
CAS Number:
Molecular Weight:
102.10
MDL number:
PubChem Substance ID:
NACRES:
NA.12

isotopic purity

98 atom % 15N

Quality Level

mp

334 °C (lit.)

application(s)

agriculture

mass shift

M+1

SMILES string

[K+].[O-][15N+]([O-])=O

InChI

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

InChI key

FGIUAXJPYTZDNR-IEOVAKBOSA-N

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1 of 4

This Item
486124490547490571
Potassium nitrate-15N 98 atom % 15N

335134

Potassium nitrate-15N

Potassium nitrate-15N 5 atom % 15N

486124

Potassium nitrate-15N

Potassium nitrate-15N 60 atom % 15N

490547

Potassium nitrate-15N

Potassium thiocyanate-15N 98 atom % 15N

490571

Potassium thiocyanate-15N

isotopic purity

98 atom % 15N

isotopic purity

5 atom % 15N

isotopic purity

60 atom % 15N

isotopic purity

98 atom % 15N

mp

334 °C (lit.)

mp

334 °C (lit.)

mp

334 °C (lit.)

mp

173 °C (lit.)

application(s)

agriculture

application(s)

agriculture

application(s)

agriculture

application(s)

environmental

General description

Potassium nitrate-15N is an inorganic compound enriched with 15N isotope.

application

Labeled Potassium Nitrate has been used
• To successfully follow the uptake of fertilizer N by crops and retention of fertilizer N in soil organic matter.
• As internal standard for quantification of nitrate in biological samples, mainly of human or animal origin.
• Measurement of protein abundance in Arabidopsis.

Packaging

This product may be available from bulk stock and can be packaged on demand. For information on pricing, availability and packaging, please contact Stable Isotopes Customer Service.

pictograms

Flame over circle

signalword

Warning

hcodes

Hazard Classifications

Ox. Sol. 3

Storage Class

5.1B - Oxidizing hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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Mathieu Sebilo et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(45), 18185-18189 (2013-10-23)
Increasing diffuse nitrate loading of surface waters and groundwater has emerged as a major problem in many agricultural areas of the world, resulting in contamination of drinking water resources in aquifers as well as eutrophication of freshwaters and coastal marine
Guangyu Guo et al.
Phytochemistry, 72(10), 1028-1039 (2011-02-15)
In the quantitative proteomic studies, numerous in vitro and in vivo peptide labeling strategies have been successfully applied to measure differentially regulated protein and peptide abundance. These approaches have been proven to be versatile and repeatable in biological discoveries. (15)N
Jie Wu et al.
Plant biotechnology journal, 19(3), 448-461 (2020-09-03)
Nitrogen (N) is one of the key essential macronutrients that affects rice growth and yield. Inorganic N fertilizers are excessively used to boost yield and generate serious collateral environmental pollution. Therefore, improving crop N use efficiency (NUE) is highly desirable
Sebastian Schramm et al.
Molecules (Basel, Switzerland), 24(8) (2019-04-21)
Feeding experiments with stable isotopes are helpful tools for investigation of metabolic fluxes and biochemical pathways. For assessing nitrogen metabolism, the heavier nitrogen isotope, [15N], has been frequently used. In plants, it is usually applied in form of [15N]-nitrate, which
Bin Hu et al.
Nature plants, 5(4), 401-413 (2019-03-27)
To ensure high crop yields in a sustainable manner, a comprehensive understanding of the control of nutrient acquisition is required. In particular, the signalling networks controlling the coordinated utilization of the two most highly demanded mineral nutrients, nitrogen and phosphorus

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