o-Cresolphthalein Complexone CAS 2411-89-4
O-Cresolphthalein Complexone, nke a makwaara dị ka o-toluene phenolphthalein (C22H18O4mol346.38), bụ ntụ ọcha ma ọ bụ odo odo na-adị mfe soluble na ethanol na ether; Na-adịghị edozi na mmiri, soluble na dilute alkali, acha anụnụ anụnụ na agba, pH 8.2-9.8 (agba nso si colorless na-acha uhie uhie); Ọnụ kacha nke nnabata bụ 566 (381) mm.
| Ihe | Nkọwapụta |
| kacha | 575nm, 377nm |
| Njupụta | 1.515±0.06 g/cm3 (buru amụma) |
| Ebe mgbaze | 181-185 Celsius C (dec.) (ọkụ) |
| Ọnọdụ nchekwa | Chekwaa n'okpuru +30 Celsius. |
| Ịdị ọcha | 98% pKa |
| pKa | 1.47, 8.24 (na 25 ℃) |
O-Cresolphthalain Complexone bụ ihe ngosi maka titration complexometric nke magnesium, calcium, strontium, barium, na SO42-; Reagent maka ikpebi serum calcium, chelating ion chromatography ligand maka trace metal ion.
A na-ebukarị ya na 25kg / drum, ma enwere ike ịme ngwugwu ahaziri.
o-Cresolphthalein Complexone CAS 2411-89-4
o-Cresolphthalein Complexone CAS 2411-89-4
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