Potassium Biphthalate, Crystal, Reagent Special, ACS

Phthalic Acid Monopotassium Salt; Potassium Acid Phthalate; Potassium Hydrogen Phthalate

 

Acidimetric standard.
For use as an acidimetric standard, this material should be lightly crushed and dried for 2 hours @ 120°C.

 

Chemical Formula

C8H5KO4

Molecular Weight

F.W. 204.22

CAS #

877-24-7

 

Safety Information

Health Hazard

1

Fire Hazard

1

Reactivity

0

Material Safety Data Sheet

 

Test

Specification

Assay (C8H5O4K; Dried Basis)99.95-100.05%
pH of a 0.05M Solution @ 25.0 ± 0.2°C4.00-4.02
MAXIMUM LIMITS
Insoluble Matter0.005%
Chloride compounds (as Cl)0.003%
Sulfur compounds (as S)0.002%
Heavy metals (as Pb)5 ppm

 

UPS limit

150 lb

Chemical information and descriptions have been provided by Spectrum Chemicals.

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 P1190-07   Potassium Biphthalate, Crystal, Reagent Special, ACS - Potassium Biphthalate, Crystal, Reagent Special, ACS - C8H5KO4 - 125 GM P1190-07 $360.70
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