Potassium hydrogenii phthalate CAS 877-24-7

CAS;877-24-7

Formulae hypotheticae:C8H5KO4

Pondus hypotheticum:204.22

EINECS:212-889-4

Synonyma:POTASSIUM ACIDUM PHTHALATE BUFFER GRADUS; potassium hydrogenii phthalate, vexillum primarium, acs; POTASSIUMBIPHTHALATE, BIOTECHGRADE; POTASSIUMBIPHTHALATE,CRYSTALLOS,REAGENTSPECIALES, ACS; POTASSIUMBIPHTHALATE, ULTRAPURE; SODIUM AMYL XANTHTATE; POTASSIUM ACIDUM PHTHALATE PRIMUM VEXILLUM (ACS); POTASSIUM ACIDUM PHTHALATE SOLUTIO, 0.100 N

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Quid est Potassium hydrogenii phthalate CAS 877-24-7?

Potassium hydrogenii phthalate crystalla alba. densitas relativa est 1.636. Dissolve partes aquae frigidae circiter 12 et partes 3 aquae ferventis; Leviter solutum in ethanol. pH solutionis aqueae 0.05M in 25℃ est 4.005. Contabescere ad 295-300 .

Specification

Item	Specification
fervens	98.5-99.5 ;°C/740 ;
Densitas	1.006 g/mL ad 20 °C
punctum liquescens	295-300 °C (decl.)
PH	4.00-4.02 (25.0℃±0.2℃, 0.05M)
resistivity	H2O：100 mg/mL
Repono conditionibus	Copia ad +5°C ad +30°C.

Applicationem

Potassium hydrogenii phthalate vulgo adhibetur ad solutiones normae sodii sodii ob facilitatem obtinendi puros fructus per recrystallizationem, absentiam aquae crystallizationis, non hygroscopicitatis, facilioris repositionis et magni condigni; Potest etiam adhiberi ad solutionem acidi acetici calibrationis cum acido perchlorico (utendo yl violaceo ut denotat).