Potassium hydrogen phthalate 99,95, crystals, AR® ACS standard_primary, Macron Fine Chemicals™

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Potassium hydrogen phthalate 99,95, crystals, AR® ACS standard_primary, Macron Fine Chemicals™

Potassium hydrogen phthalate 99,95, crystals, AR® ACS standard_primary, Macron Fine Chemicals™

M.O.C. Category N

6704-02 6704-04

MK670402CS 2605.79 USD

MK670402 MK670404 MK670420

Potassium hydrogen phthalate 99,95, crystals, AR® ACS standard_primary, Macron Fine Chemicals™

Potassium hydrogen phthalate

Primary standard.

Formula: HOOCC₆H₄COOK
MW: 204.22 g/mol
Melting Pt: 295…300 °C
Density: 1.6362 g/cm³ (20 °C)
Storage Temperature: Ambient

MDL Number: MFCD00013070
CAS Number: 877-24-7
EINECS: 212-889-4
Merck Index: 13,07694

https://qa.digitalassets.avantorsciences.com/adaptivemedia/rendition?id=4652479e822d1591ac7eb5e29f892b8c94588ad4&vid=cc8e011180c68e19e524dd3eb6f3b34f86486515&prid=web&clid=SAPDAM

Specification Test Results

Meets ACS Reagent Chemical Requirements
For Laboratory,Research,or Manufacturing Use
ACS - Assay (1-KOCOC₆H₄-2-COOH)	99.95 - 100.05 %
ACS - Chlorine Compounds (as Cl)	≤0.003 %
ACS - Heavy Metals (as Pb)	≤5 ppm
ACS - Insoluble Matter	≤0.005 %
ACS - Iron (Fe)	≤5 ppm
ACS - pH of 0.05M Solution at 25°C	4.00 - 4.02
ACS - Sodium (Na)	≤0.005 %
ACS - Sulfur Compounds (as S)	≤0.002 %
Traceable to NIST
Appearance (white crystals)

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