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Potassium Hydrogen Phthalate standard for volumetry, ACS, ISO

Phthalic Acid mono-Potassium Salt, Potassium Biphthalate

Assay (Acidim.) (after drying at 105°C): 99.95-100.05%
Code
241481
CAS
877-24-7
Molecular Formula
C6H4COOHCOOK
Molar mass
204.23 g/mol

Recommended prices only. For prices and orders please contact your local distributor.
Box prices only valid with purchase of full box.

code packaging size price per unit box price per unit
Code & packaging Price per piece
241481.1521
code
241481.1521
packaging size
10x1,5 g
Product active until stock lasts.
241481.1608
code
241481.1608
packaging size
100 g
price per unit
single $62,25
box price per unit
molecule for: Potassium Hydrogen Phthalate standard for volumetry, ACS, ISO
Melting Point:
295 - 300 °C
Solubility:
water 80 g/l at 20 °C
Physical Description:
solid
Product Code:
241481
Product Name:
Potassium Hydrogen Phthalate standard for volumetry, ACS, ISO
Quality Name:
standard for volumetry, ACS, ISO
Headline Comment:
Primary Chemical Matter
Specifications:
Uncertainty: See certificate
Traceability: NIST
Assay (Acidim.) (after drying at 105°C): 99.95-100.05%
Identity: IR passes test
pH sol. 0.05 mol/l at 25±0.2°C: 4.00-4.02

Maximum limit of impurities
Insoluble matter in H2O: 0.003 %
Chloride (Cl): 0.002%
Nitrogen compounds (as N): 0.001%
Sulfur compounds (as S): 0.002 %
Chlorine compounds (as Cl): 0.003%
Heavy metals (as Pb): 0.0005%
Ca: 0.001 %
Cd: 0.0005 %
Co: 0.0005 %
Cr: 0.001 %
Cu: 0.0005 %
Fe: 0.0005 %
Mg: 0.001 %
Mn: 0.0005 %
Na: 0.005 %
Ni: 0.0005 %
Pb: 0.0005 %
Zn: 0.0005 %
WGK:
1
Storage:
Room Temperature.
Master Name:
Potassium Hydrogen Phthalate
Synonyms Long Text:
Phthalic Acid mono-Potassium Salt, Potassium Biphthalate
EINECS:
212-889-4
CS:
29173995
Download TDS file for complete specifications