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14659 Supelco

Potassium phthalate monobasic

Standard for quantitative NMR, TraceCERT®

Synonym: KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium hydrogen phthalate

  • CAS Number 877-24-7

  • Linear Formula HOOCC6H4COOK

  • Molecular Weight 204.22

  •  Beilstein/REAXYS Number 3637128

  •  EC Number 212-889-4

  •  MDL number MFCD00013070

  •  PubChem Substance ID 329750572

  •  NACRES NA.24

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Properties

Related Categories Additional Standards, Analytical Standards, Analytical/Chromatography, CRM for Quantitative NMR (neats and solutions), CRMs for Chromatography (neats),
Quality Level   300
grade   Standard for quantitative NMR
  certified reference material
description   qNMR Standard for D2O (8.2 ppm / 7.5 ppm)
grade   TraceCERT®
form   neat
shelf life   limited shelf life, expiry date on the label
application(s)   qNMR: suitable
pH   4
mp   295-300 °C (dec.) (lit.)
Featured Industry   Cleaning Products
Cosmetics
Environmental
Flavors and Fragrances
Food and Beverages
Personal Care
format   neat
SMILES string   [K+].OC(=O)c1ccccc1C([O-])=O
InChI   1S/C8H6O4.K/c9-7(10)5-3-1-2-4-6(5)8(11)12;/h1-4H,(H,9,10)(H,11,12);/q;+1/p-1
InChI key   IWZKICVEHNUQTL-UHFFFAOYSA-M

Description

General description

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.

Other Notes

Chemical Shift: ~7-8 ppm (chemical shifts may slightly vary depending on the experimental conditions)
suitable NMR solvents: D2O, MeOD

Legal Information

TraceCERT is a registered trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
2
RTECS 
CZ4326000

Documents

Certificate of Analysis (COA)

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Protocols & Articles

Articles

High-Performance Quantitative H-1 NMR

By: Markus Obkircher, Christine Hellriegel, Alex Rueck, Juerg Wuethrich, Michael Weber, Jiewen Ying Organic Certified Reference Materials with SI-Traceability and Low Measurement Uncertainty
Keywords: Gas chromatography, High performance liquid chromatography, Ion-exchange chromatography, Nuclear magnetic resonance spectroscopy, Pharmaceutical

Peer-Reviewed Papers
15

References

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