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14659

Potassium phthalate monobasic

TraceCERT®, certified reference material, 1H-qNMR Standard, 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
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329750572
EC Number:
212-889-4
Beilstein/REAXYS Number:
3637128
MDL number:
MFCD00013070
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Quality Level

300

description

qNMR Standard for D2O (8.2 ppm / 7.5 ppm), qNMR standard

product line

TraceCERT®

grade

certified reference material, 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

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

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

Check out ChemisTwin, our brand new online portal for identity confirmation of NMR spectra. A feature for quantitative NMR is in development. Learn more or reach out to us for a free trial.
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 Merck KGaA, Darmstadt, Germany

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flash_point_f

387.1 °F - Pensky-Martens closed cup

flash_point_c

197.3 °C - Pensky-Martens closed cup

Storage Class

11 - Combustible Solids

wgk

WGK 1

Certificates of Analysis (COA)

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Articles

High-Performance Quantitative H-1 NMR

The signal ratio of two different protons can be measured with tremendous precision, which enables the generation of certified reference materials for use as qNMR standards.

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NMR Chemical Shifts of Impurities

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Wei He et al.
The Science of the total environment, 461-462, 672-680 (2013-06-19)
The spatio-temporal distributions and the ecological and health risks of PAEs in surface water of Lake Chaohu, the fifth largest lake in China, were studied based on the monthly monitoring of six PAE congeners from May 2010 to April 2011.
H Fromme et al.
Environment international, 61, 64-72 (2013-10-10)
Phthalates have been used for decades in large quantities, leading to the ubiquitous exposure of the population. In an investigation of 63 German daycare centers, indoor air and dust samples were analyzed for the presence of 10 phthalate diesters. Moreover
Francesca Maradonna et al.
Toxicology in vitro : an international journal published in association with BIBRA, 27(1), 84-91 (2012-10-16)
In the last years the concern about the negative effects of phthalates on reproduction significantly increased. Considering that, at date data available dealing with the adverse outcome of Di-(2-ethylhexyl)-phthalate (DEHP) on the reproduction of several species are still contrasting, in
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Global Trade Item Number

SKUGTIN
14659-1G04061838736963