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Potassium hydrogen phthalate, 99.99%, (trace metal basis), acidimetric standard, Acros Organics


Quantity 500g
Packaging Plastic Bottle

Manufacturer: thermo fisher scientific  177125000

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Catalog No. AC177125000

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Description & Specifications

Chemical Identifiers

Formula Weight 204.22
Physical Form Crystals or Crystalline Powder
Quantity 500g
Chemical Name or Material Potassium Hydrogen Phthalate
Synonym Potassium Acid Phthalate
Packaging Plastic Bottle
Melting Point 295.0° to 300.0°C
Color White
Beilstein 09, 791
Merck Index 15, 7733
Assay 99.95 to 100.05%
Purity Grade Trace metal basis
pH 3.8 to 4 (5% soln. at 20°C)
Linear Formula 2-(HO2C)C6H4CO2K
Heavy Metals (as Pb) 5ppm max.
Sodium (Na) 50ppm max.
CAS 877-24-7
Assay Percent Range 99.99%
Chlorine Compounds 30ppm (as Cl) max.
Infrared Spectrum Authentic
Health Hazard 3 Emergency Overview
May cause skin, eye, and respiratory tract irritation. The toxicological properties have not been fully investigated.
NFPA
Health:
Iron (Fe) 5ppm max.
Molecular Formula C8H5KO4
Sulfate 60ppm max.
Health Hazard 1 Signal Word:CAUTION!

Specifications

Chemical Name or Material Potassium Hydrogen Phthalate
CAS 877-24-7
Purity Grade Trace metal basis
Assay 99.95 to 100.05%
Assay Percent Range 99.99%
Molecular Formula C8H5KO4
Linear Formula 2-(HO2C)C6H4CO2K
Formula Weight 204.22
Synonym Potassium Acid Phthalate
Accessories

Signal Word:CAUTION!

Emergency Overview
May cause skin, eye, and respiratory tract irritation. The toxicological properties have not been fully investigated.
NFPA
Health:

SDS & Safety Documents