Product description :

Potassium hydrogen phthalate AR/ACS is a fine chemical. It is supplied by FINAR. Potassium hydrogen phthalate is used as a primary standard for calibration of pH meter. It is used in acid-base titrations. It is used in laboratories for testing of total organic carbon(TOC) as a standard.This Potassium hydrogen phthalate AR/ACS by FINAR is prepared under controlled environment and using high-purity material which is tested to check it's assay before manufacturing, following all Quality Assurance Guidelines.

Product features :

• Appearance: White solid
• Aqueous Solubility: 10 g in 100 ml at 25c
• pH of a 0.05 M solution: 4.00-4.02 at 25.0+/- 0.2c
• Insoluble matter: 0.005% Max.
• Chlorine compound (as Cl): 0.003% Max.
• Sulphur compounds (as S): 0.002% Max.
• Heavy metals (as Pb): 5 ppm Max.
• Iron(Fe): 5 ppm Max.
• Sodium(Na): 0.005% Max.

Product specifications :

• Product name : Potassium hydrogen phthalate AR/ACS
• Brand : FINAR
• Catlog number : 71282SG500
• CAS number : 877-24-7
• Molecular formula : C8H5KO4
• Molecular weight : 204.22
• Assay (on dried basis): 99.95-100.05%
• Quantity : 500 gm