o-Cresolphthalein Complexone CAS 2411-89-4

CAS:2411-89-4

Cov mis molecular:C32H32N2O12

Qhov Hnyav Molecular:636.61

EINECS:219-318-8

Cov lus txhais:XYLENOLPHTHALEIN-BIS (MINODIACETIC ACID); XYLENYLPHTHALEIN-BISIMINODIACETIC ACID; PHTHALEIN PURPLE; PHTHALEIN COMPLEXON; PHTHALEIN COMPLEXONE; Cresolphtha; o-Cresolphthalein complexone pa; o-Cresolphthalein Co; Metalphthalein, n-hydrate

Sau Koj Cov Lus

Cov Khoom Qhia Txog Khoom

Rub tawm

Cov Cim Npe Khoom

o-Cresolphthalein Complexone CAS 2411-89-4 yog dab tsi?

O-Cresolphthalein Complexone, tseem hu ua o-toluene phenolphthalein (C22H18O4mol346.38), yog hmoov dawb lossis daj uas yooj yim yaj hauv ethanol thiab ether; Insoluble hauv dej, soluble hauv dilute alkali, xiav hauv xim, pH 8.2-9.8 (xim ntau yam los ntawm tsis muaj xim mus rau liab); Lub ncov nqus siab tshaj plaws yog 566 (381) hli.

Cov Lus Qhia Tshwj Xeeb

Khoom	Cov Lus Qhia Tshwj Xeeb
λmax	575nm, 377nm
Qhov Ceev	1.515 ± 0.06 g/cm3 (Kwv yees)
Qhov kub yaj	181-185 °C (tsawg dua) (lit.)
Cov xwm txheej cia khoom	Khaws cia rau hauv qab +30 ° C.
Kev dawb huv	98% pKa
pKa	1.47, 8.24 (ntawm 25 ℃)

Daim Ntawv Thov

O-Cresolphthalain Complexone yog ib qho cim qhia rau kev titration complexometric ntawm magnesium, calcium, strontium, barium, thiab SO42-; Reagent rau kev txiav txim siab serum calcium, chelating ion chromatography ligand rau cov hlau ions