14659

Potassium phthalate monobasic

Standard for quantitative NMR, TraceCERT^®

• Synonym(s): KHP, Phthalic acid monopotassium salt, Potassium biphthalate, Potassium hydrogen phthalate
• Linear Formula: HOOCC₆H₄COOK
• CAS Number: 877-24-7
• Molecular Weight: 204.22
• Beilstein: 3637128
• EC Number: 212-889-4
• MDL number: MFCD00013070
• PubChem Substance ID: 329750572
• NACRES: NA.24

Properties

• grade: Standard for quantitative NMR; certified reference material; TraceCERT^®
• Quality Level: 300
• description: qNMR Standard for D₂O (8.2 ppm / 7.5 ppm)
• product line: TraceCERT^®
• shelf life: limited shelf life, expiry date on the label
• technique(s): gas chromatography (GC): suitable; qNMR: suitable
• pH: 4
• mp: 295-300 °C (dec.) (lit.)
• application(s): cleaning products; cosmetics; environmental; flavors and fragrances; food and beverages; personal care; pharmaceutical
• 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.

Check out our entire range of quantitative NMR standards (qNMR standards)

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 Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 3
• Flash Point(F): 387.1 °F - Pensky-Martens closed cup
• Flash Point(C): 197.3 °C - Pensky-Martens closed cup