Timol urdin
Timol urdina konposatu organiko aromatikoa da C27H30O5S formula duena, sulfonen klasekoa. Solido gris-berdexka da. Disolbaezina da uretan, baina disolbagarria etanoletan eta disoluzio basikoetan. Narritagarria da[1].
| Timol urdin | |
|---|---|
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| Formula kimikoa | C27H30O5S |
| SMILES kanonikoa | 2D eredua |
| MolView | 3D eredua |
| Mota | konposatu kimiko |
| Masa molekularra | 466,181 Da |
| Arriskuak | |
| NFPA 704 |  0
0
0
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| Identifikatzaileak | |
| InChlKey | PRZSXZWFJHEZBJ-UHFFFAOYSA-N |
| CAS zenbakia | 76-61-9 |
| ChemSpider | 59008 |
| PubChem | 65565 |
| EC zenbakia | 200-973-3 |
| ECHA | 100.000.886 |
| Human Metabolome Database | HMDB0259055 |
| UNII | 8YB4804L4M |
Sintesia
Timol urdina sintetiza daiteke sakarina fenolarekin erreakzionaraziz aziko sulfuriko kontzentratuaren presentzian[2].
Erabilera
Timol urdina pH-adierazle gisa baliatzen da azido-base balorazioetan. Bi trantsizio ditu pHa 1,2-2,8 tartean aldatzen denean gorritik horira kanbiatzen du kolorea eta pH 8,0-9,6 tartean horitik urdinera[1].
Egitura
Timol urdinaren egitura aldatu egiten da pHaren arabera, beheko irudian ikus daitekeenez[3].
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| Timol urdinaren kolorea pHaren arabera: ingurune azido, neutoa eta basikoa |
Erreferentziak
- ↑ a b (Ingelesez) PubChem. «Thymol Blue» pubchem.ncbi.nlm.nih.gov (kontsulta data: 2026-01-19).
- ↑ (Ingelesez) Tillu, V. H.; Dumbre, D. K.; Borate, H. B.; Wakharkar, R. D.; Choudhary, V. R.. (2012-04-15). «Solvent-Free One-Pot Synthesis of Sulfonephthaleins from Saccharin and Phenols» Synthetic Communications 42 (8): 1101–1107. doi:. ISSN 0039-7911. (kontsulta data: 2026-01-19).
- ↑ Basterretxea, Francisco et al. (1996). Kimika orokorra. Udako Euskal Unibertsitatea, 381 or..
| Autoritate kontrola |
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Datuak: Q420396
Multimedia: Thymol blue / Q420396
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