o-Cresolphthalein Complexone CAS 2411-89-4
ʻO O-Cresolphthalein Complexone, i kapa ʻia ʻo o-toluene phenolphthalein (C22H18O4mol346.38), he pauda keʻokeʻo a melemele paha e hiki ke hoʻoheheʻe ʻia i ka ethanol a me ka etera; ʻAʻole hiki ke hoʻoheheʻe ʻia i ka wai, hiki ke hoʻoheheʻe ʻia i loko o ka alkali dilute, ʻulaʻula i ka waihoʻoluʻu, pH 8.2-9.8 (nā waihoʻoluʻu mai ka ʻulaʻula ʻole); ʻO ka kiʻekiʻe absorption peak ʻo 566 (381) mm.
| 'ikamu | Hōʻike |
| λmax | 575nm, 377nm |
| ʻO ka mānoanoa | 1.515±0.06 g/cm3(Wānana ʻia) |
| Lae hehee | 181-185 °C (Dek.)(kumu) |
| Nā kūlana mālama | E mālama ma lalo o +30 ° C. |
| Maemae | 98%pKa |
| pKa | 1.47, 8.24(ma 25 ℃) |
ʻO ka O-Cresolphthalain Complexone he hōʻailona no ka hoʻohālikelike complexometric o ka magnesium, calcium, strontium, barium, a me SO42-; Reagent no ka hoʻoholo ʻana i ka calcium serum, chelating ion chromatography ligand no trace metal iions
Hoʻopili pinepine ʻia i ka 25kg / pahu, a hiki ke hana ʻia i ka pōʻai maʻamau.
o-Cresolphthalein Complexone CAS 2411-89-4
o-Cresolphthalein Complexone CAS 2411-89-4
