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14659

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Potassium phthalate monobasic

Standard for quantitative NMR, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Synonym(s):

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

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About This Item

Linear Formula:
HOOCC6H4COOK
CAS Number:
877-24-7
Molecular Weight:
204.22
Beilstein:
3637128
EC Number:
212-889-4
MDL number:
MFCD00013070
UNSPSC Code:
41116107
PubChem Substance ID:
329750572
NACRES:
NA.24

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

manufacturer/tradename

Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

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

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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

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Legal Information

TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany

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

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Certificates of Analysis (COA)

Lot/Batch Number
BCCK7014
BCCK0077
BCCB5745
BCBQ9515V
BCBH8377V

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Maria Cristina Fossi et al.
Marine pollution bulletin, 64(11), 2374-2379 (2012-09-12)
Baleen whales are potentially exposed to micro-litter ingestion as a result of their filter-feeding activity. However, the impacts of microplastics on baleen whales are largely unknown. In this case study of the Mediterranean fin whale (Balaenoptera physalus), we explore the
Juanjuan Feng et al.
Journal of chromatography. A, 1268, 16-21 (2012-11-07)
Because of the occurrence of ion exchange between high-ionic-strength solution and anions of polymeric ionic liquids (PILs), PILs based solid-phase microextraction (SPME) fibers were rarely used in direct immersion mode to high-salt-added samples. In this work, a novel double-confined PIL
Hanne Frederiksen et al.
Environmental science & technology, 47(2), 958-967 (2012-12-14)
Urinary phthalate excretion is used as marker of phthalate exposure in epidemiological studies. Here we examine the reliability of urinary phthalate levels in exposure classification by comparing the inter- and intrasubject variation of urinary phthalate metabolite levels. Thirty-three young healthy
Randi J Bertelsen et al.
Environmental health perspectives, 121(2), 251-256 (2012-11-21)
High-molecular-weight phthalates in indoor dust have been associated with asthma in children, but few studies have evaluated phthalate biomarkers in association with respiratory outcomes. We explored the association between urinary concentrations of phthalate metabolites and current asthma. In a cross-sectional
Martha M Téllez-Rojo et al.
The Science of the total environment, 461-462, 386-390 (2013-06-12)
Previous studies suggest that prenatal phthalate exposure affects neurodevelopment and behavior during the first years of life. To evaluate the effect of maternal urinary concentrations of phthalate metabolites during pregnancy on mental and psychomotor development in children 24-36 months of
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