Thymolphthalein CAS 125-20-2

CAS:125-20-2

Qaacidada moolikaalka:C28H30O4

Miisaanka molecular:430.54

Lambarka EINECS:204-729-7

Isku micne:3,3-bis(4-hydroxy-2-methyl-5-(1-methylethyl)phenyl)-1(3H)-Isobenzofuranone; 3,3-bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]-1(3h)-isobenzofuranon; Thymolphthalein,foranalysisACS;Thymolphthalein,tilmaame, saafi ah;Thymolphthaleinreagent(ACS);Thymolphthalein MOLPHTHALEINSOLUTION

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Calaamadaha Alaabta

Waa maxay Thymolphthalein CAS 125-20-2?

Magaca sayniska ee Thymolphthalein waa "3,3-bis(4-hydroxy-5-isopropyl-2-methylphenyl)-phthalide", kaas oo ah falgal dabiici ah. Qaacidada kiimikada waa C28H30O4, miisaanka molecular-kuna waa 430.54. Waa budo cad oo crystalline ah. Si fudud ayaa loogu milmi karaa ether, acetone, sulfuric acid iyo xalalka alkaline, mana milmi karo biyaha. Badanaa waxaa loo isticmaalaa tilmaame saldhig aashito ah, heerka isbeddelka midabka pH-na waa 9.4-10.6, midabkuna wuxuu isu beddelaa mid aan midab lahayn una beddelaa buluug. Marka la isticmaalo, badanaa waxaa loo diyaariyaa xal ethanol ah oo 0.1% 90% ah. Sidoo kale waxaa badanaa lagu diyaariyaa tilmaameyaal kale si loo sameeyo tilmaame jilicsan oo isku dhafan si loo yareeyo kala duwanaanshaha isbeddelka midabka iyo in la eego.

Faahfaahinta

SHAYGA	Heerka Caadiga ah	NATIIJADA
Aqoonsiga	Budada cad ilaa budo cad	Waafaqsan
¹H-NMR	Muuqaal isku mid ah oo leh tixraac	Gudub
Nadiifnimada HPLC	≥98%	99.6%
Lumis marka la qalajiyo	1% ugu badnaan	0.24%

Codsiga

Thymolphthalein waxaa badanaa loo isticmaalaa tilmaame saldhig aashito ah, oo leh kala duwanaansho midab pH ah oo u dhaxaysa 9.4 ilaa 10.6, iyo isbeddel midab oo ka yimaada midab la'aan una socda buluug. Marka la isticmaalo, waxaa badanaa loo diyaariyaa sidii xal ethanol ah oo ah 0.1% 90%, waxaana badanaa lagu qasaa tilmaameyaal kale si loo sameeyo tilmaame isku dhafan si looga dhigo kala duwanaanshaha isbeddelka midabkiisa mid cidhiidhi ah oo cad in la arko. Tusaale ahaan, tilmaame lagu sameeyo isku darka xal ethanol ah oo ah 0.1% oo ka mid ah falgalkan oo leh xal ethanol ah oo ah phenolphthalein waa mid aan midab lahayn oo ku jira xal aashito ah, guduudan oo ku jira xal alkaline ah, iyo ubax pH ah oo ah 9.9 (barta isbeddelka midabka), taas oo aad u fudud in la arko.