Potassium hydrogen phthalate CAS 877-24-7

CAS:877-24-7

Cov mis molecular:C8H5KO4

Qhov Hnyav Molecular:204.22

EINECS:212-889-4

Cov lus txhais:POTASSIUM ACID PHTHALATE BUFFER QIB; potassium hydrogen phthalate, tus qauv tseem ceeb, acs; POTASSIUMBIPHTHALATE, BIOTECHGRADE; POTASSIUMBIPHTHALATE, CRYSTAL, REAGENTSPECIAL, ACS; POTASSIUMBIPHTHALATE, ULTRAPURE; SODIUM AMYL XANTHTATE; POTASSIUM ACID PHTHALATE TUS QAUV TSEEM CEEB (ACS); POTASSIUM ACID PHTHALATE SOLUTION, 0.100 N

Sau Koj Cov Lus

Cov Khoom Qhia Txog Khoom

Rub tawm

Cov Cim Npe Khoom

Potassium hydrogen phthalate CAS 877-24-7 yog dab tsi?

Cov khoom siv dawb Potassium hydrogen phthalate. Qhov ceev ntawm qhov sib piv yog 1.636. Yaj rau hauv kwv yees li 12 feem ntawm dej txias thiab 3 feem ntawm dej npau; Yaj me ntsis hauv ethanol. Lub pH ntawm 0.05M aqueous kua ntawm 25 ℃ yog 4.005. Yaj ntawm 295-300 ℃.

Cov Lus Qhia Tshwj Xeeb

Khoom	Cov Lus Qhia Tshwj Xeeb
Kub taw tes	98.5-99.5; °C/740; mmHg (lit.)
Qhov Ceev	1.006 g/mL ntawm 20 °C
Qhov kub yaj	295-300 °C (tsawg dua) (lit.)
PH	4.00-4.02 (25.0 ℃ ± 0.2 ℃, 0.05M)
kev tiv taus	H2O: 100 mg/mL
Cov xwm txheej cia khoom	Khaws cia ntawm +5°C txog +30°C.

Daim Ntawv Thov

Potassium hydrogen phthalate feem ntau yog siv rau kev ntsuas cov sodium hydroxide txheem kev daws teeb meem vim nws yooj yim ntawm kev tau txais cov khoom ntshiab los ntawm recrystallization, tsis muaj dej crystallization, tsis hygroscopicity, yooj yim khaws cia, thiab siab equivalence; Nws kuj tseem siv tau rau kev ntsuas cov kua acetic acid nrog perchloric acid (siv methyl violet ua tus qhia).