Potassium hydrogen phthalate 99,95-100,05 ACS standard_primary

Supplier: Origen Biomedical, Inc

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033351-30 033351-A1

AA33351-30EA 110.96 USD

AA33351-30 AA33351-A1

Potassium hydrogen phthalate 99,95-100,05 ACS standard_primary

Potassium hydrogen phthalate

As a primary standard for preparing volumetric alkali solutions and as a buffer in pH determinations

Purity: 99.95-100.05 CAS No.: 877-24-7 Molecular Formula: C8H5KO4 Formula Weight: 204.23 Physical Form: Crystalline powder Density: 1.636 Appearance: White Odor: Odorless Melting Point: 297° dec. Beilstein Reference: 3637128 Merck Reference: 14,7612 MDL No.: MFCD00013070

As a primary standard for preparing volumetric alkali solutions and as a buffer in pH determinations

Formula: HOOCC₆H₄COOK
MW: 204.22 g/mol
Melting Pt: 297 °C (dec.)
Density: 1.636
Storage Temperature: Ambient

MDL Number: MFCD00013070
CAS Number: 877-24-7
EINECS: 212-889-4
Merck Index: 14,7612

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Specification Test Results

Insoluble matter	0.005
pH of a 0.05M solution	4.0 at 25°
Cl	0.003%
S	0.002%
Heavy Metals (as Pb)	5 ppm
Fe	5 ppm
NA	0.00005

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