Thymolphthalein CAS 125-20-2
Aha sayensị nke Thymolphthalein bụ "3,3-bis(4-hydroxy-5-isopropyl-2-methylphenyl)-phthalide", nke bụ ihe na-emepụta ihe dị ndụ. Usoro kemịkalụ ahụ bụ C28H30O4, ibu molekul ahụ bụkwa 430.54. Ọ bụ ntụ ọcha kristal. Ọ na-agbaze ngwa ngwa na ether, acetone, sulfuric acid na alkaline solutions, ọ naghịkwa agbaze na mmiri. A na-ejikarị ya eme ihe dị ka ihe ngosi acid-base, oke mgbanwe agba pH ya bụ 9.4-10.6, agba ahụ na-agbanwe site na enweghị agba gaa na acha anụnụ anụnụ. Mgbe ejiri ya, a na-akwadebe ya ka ọ bụrụ ihe ngwọta ethanol 0.1% 90%. A na-akwadebekwa ya na ihe ngosi ndị ọzọ iji mepụta ihe ngosi dị nro iji mee ka oke mgbanwe agba ya dị warara ma mee ka ihe a na-ahụ anya doo anya.
| IHE | Ọkọlọtọ | Nsonaazụ |
| Nchọpụta | Ntụ ntụ ọcha ruo na ntụ ọcha na-acha ọcha | Dabara adaba |
| 1H-NMR | Ụdịdị yiri ya na ntụaka | Pass |
| Ịdị ọcha nke HPLC | ≥98% | 99.6% |
| Mfu mgbe a kpọrọ nkụ | 1% kacha | 0.24% |
A na-ejikarị Thymolphthalein eme ihe dị ka ihe ngosi acid-base, yana mgbanwe pH agba nke 9.4 ruo 10.6, yana mgbanwe agba site na enweghị agba gaa na acha anụnụ anụnụ. Mgbe ejiri ya, a na-akwadebekarị ya dị ka ihe ngwọta ethanol 0.1% 90%, a na-agwakọtakwa ya na ihe ngosi ndị ọzọ iji mepụta ihe ngosi agwakọtara iji mee ka oke mgbanwe agba ya dị warara ma doo anya ịhụ. Dịka ọmụmaatụ, ihe ngosi emere site na ịgwakọta ihe ngwọta ethanol 0.1% nke ihe mmeghachi omume a na ihe ngwọta ethanol 0.1% nke phenolphthalein enweghị agba na ihe ngwọta acidic, odo odo na ihe ngwọta alkaline, na rose na pH 9.9 (ebe mgbanwe agba), nke dị mfe ịhụ.
A na-etinye ngwaahịa n'ime akpa, 25kg kwa drum
Thymolphthalein CAS 125-20-2
Thymolphthalein CAS 125-20-2
