Product Overview
Potassium Hydrogen Phthalate, ACS Grade
Molecular Formula: C8H5KO4
CAS Number: 877-24-7
Molecular Weight: 204.22
Potassium Hydrogen Phthalate, Acidimetric Standard, Crystal, Reagent Special, ACS is used in analytical chemistry as a disintegrating agent can be used as a buffering agent (in combination with hydrochloric acid (HCl) or sodium hydroxide (NaOH). As an ACS grade Reagent, ScienceLab Potassium Hydrogen Sulfate is used as the quality standard against which other Potassium Hydrogen Sulfate substances are graded. it has met the toughest regulatory standards for quality and pureness.
Synonyms: Potassium Acid Phthalate ; Phthalic Acid, Monopotassium Salt ; Potassium Biphthalate
| TEST | MIN | MAX |
|---|---|---|
| ASSAY (C8H5O4K) | 99.95 - 100.05 % | |
| pH OF A 0.05M SOLUTION @ 25oC | 4.00 | 4.02 |
| INSOLUBLE MATTER | 0.005 % | |
| CHLORINE COMPOUNDS (as Cl) | 0.003 % | |
| SULFUR COMPOUNDS (as S) | 0.002 % | |
| HEAVY METALS (as Pb) | 5 ppm | |
| IRON (Fe) | 5 ppm | |
| SODIUM (Na) | 0.005 % |
Shipping Information
Tariff No. 2917393000
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
