o-Cresolphthalein CAS:596-27-0

Nkọwa dị mkpirikpi:

O-cresolphthalein, nke a makwaara dị ka phenol red ma ọ bụ 3,3-Bis (4-hydroxyphenyl) -1- (4-sulfonatophenyl) -1H-indol-2-otu, bụ ngwakọta kemịkalụ kemịkalụ nwere usoro mkpụrụ ndụ nke C19H14O5S.A na-enweta ya site na Cresol na phthalic anhydride site na usoro mmeghachi omume kemịkal.O-cresolphtalein bụ nke amara nke ọma maka mgbanwe agba pink na-acha odo odo, na-eme ka ọ bụrụ ihe ngosi dị mma na ngwa dị iche iche.

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Nkọwa ngwaahịa

Mkpado ngwaahịa

Na ebe mgbaze nke ihe dịka 280°C, o-cresolphthalein bụ ngwakọta kristal siri ike nke na-agbaze na mmiri, mmanya, na acetone.Ngwọta mmiri ya na-enye ọrụ egosi pH, na-egosipụta mgbanwe agba site na odo na pH 1.2 ruo pink na pH 2.8.Njirimara a na-enye ohere maka ịchọpụta acidity ma ọ bụ alkalinity dị iche iche, na-eme ka ọ bụrụ ngwá ọrụ bara uru na nyocha ụlọ nyocha, nchọpụta ahụike, na nyocha gburugburu ebe obibi.

Ọzọkwa, o-cresolphthalein na-enye ihe ndị ọzọ dị ịrịba ama na-eme ka ọ dịkwuo mma.Ọ nwere nkwụsi ike dị elu megide ọkụ na ikuku, na-enye ohere maka ịdịte aka na ogologo ndụ nchekwa.Na mgbakwunye, kemịkalụ a na-egosipụta obere nsi ma na-ebute obere ihe egwu na ahụike mmadụ na gburugburu ebe obibi mgbe ejiri ya nke ọma.

Ibe nkọwa ngwaahịa:

Maka nghọta zuru oke nke o-cresolphthalein, biko rụtụ aka na ibe nkọwa ngwaahịa.N'ebe a, ị ga-ahụ ozi ndị ọzọ gbasara nhọrọ nkwakọ ngwaahịa ya, ihe nchekwa chọrọ, yana ihe nchekwa nchekwa.Anyị na-akwado nke ukwuu ịrapagidesi ike na ọnọdụ nchekwa akwadoro iji kwado ogo ngwaahịa ahụ.

N'ụlọ ọrụ anyị, anyị na-agba mbọ ịnye ndị ahịa anyị naanị ngwaahịa kacha mma.Otu ọ bụla o-cresolphthalein na-enweta usoro njikwa mma siri ike iji hụ na ọ dị ọcha, nkwụsi ike, na nrube isi n'ụkpụrụ mba ụwa.Otu ndị ọkachamara raara onwe anyị nye na-ahụ na ndị ahịa anyị na-enweta ngwaahịa na-emezu ihe ha chọrọ.

Na mmechi, o-cresolphthalein, CAS 596-27-0, na-anọchite anya ngwakọta kemịkalụ dị ịrịba ama nwere ọtụtụ ojiji.Ngosipụta pH ya, nkwụsi ike, nkwụsi ike na nsi dị ala na-eme ka ọ bụrụ ngwa dị mkpa na ụlọ nyocha, ụlọ ọrụ ahụike na nlekota gburugburu ebe obibi.Anyị nwere obi ụtọ ịnye ngwaahịa a ma na-atụ anya igbo mkpa gị.

Nkọwapụta:

Oke Mgbanwe Agba PH	8.2 (enweghị agba) -9.8 (acha ọbara ọbara)	8.2 (enweghị agba) -9.8 (acha ọbara ọbara)
Solubility na Ethanol gafere ule	Gafe	Gafe