1.02400
Potassium hydrogen phthalate
Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur
Synonym(s):
Potassium hydrogen phthalate
About This Item
Recommended Products
agency
ISO 17025
reag. Ph. Eur.
Quality Level
form
solid
potency
>3200 mg/kg LD50, oral (Rat)
technique(s)
titration: suitable
pH
4.0 (20 °C, 50 g/L in H2O)
mp
295-300 °C
solubility
80 g/L
density
1.636 g/cm3
bulk density
900 kg/m3
storage temp.
15-25°C
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
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.
Application
Features and Benefits
- Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
- Certified reference material according to ISO 17034
- High-purity material traceable to NIST SRMs
- Qualified in a DIN EN ISO/IEC 17025 accredited laboratory
- In accordance with the chapter reagents of Ph. Eur
- High-quality offering accurate titer determinations
- Accompanied by a certificate of analysis (CoA)
Packaging
Legal Information
Related product
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
387.1 °F - Pensky-Martens closed cup
flash_point_c
197.3 °C - Pensky-Martens closed cup
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
Customers Also Viewed
Articles
Preparation of a standard solution for COD/chloride
The titer determination or standardization of a titration solution is essential for accurate and reliable titration results.
SmartChemicals enable wireless CoA data transfer, reducing human error in titration experiments.
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service