Bromocresol Green na CAS 76-60-8

CAS:76-60-8

MF:C21H14Br4O5S

MW:698.01

EINECS:200-972-8

Otu okwu:3,3',5,5'-Tetrabromo-m-cresosulfonaphthalein; 4,4'- (3h-2,1-benzoxathiol-3-ylidene) bis (2,6-dibromo-3-methylphenol) s, s-dioxide; 4,4- (3h-2,1-benzoxathiol-3-ylidene)bis (2,6-dibromo-m-cresol) s, s-dioxide m-cresol; 4,4- (3h-2,1-benzoxathiol-3-ylidene) bis (2,6-dibromo-, s, s-dioxidephenol.

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Kedu ihe bụ Bromocresol Green na CAS 76-60-8?

Bromocresol green dị ntakịrị soluble na mmiri ma soluble na ethanol, ether, ethyl acetate, na benzene. Nnọọ mmetụta nke alkali, Bromocresol green na-atụgharị acha anụnụ anụnụ-acha akwụkwọ ndụ akwụkwọ ndụ pụrụ iche mgbe ị na-ezute ngwọta mmiri alkaline. Enwere ike iji akwụkwọ ndụ akwụkwọ ndụ Bromocresol dị ka ihe ngosi, na-apụta odo na pH 3.8 na acha anụnụ anụnụ na pH 5.4.

Nkọwapụta

Ihe	Nkọwapụta
PH (ntụgharị mgbanwe)	3.8 (acha anụnụ anụnụ) - 5.4 (acha anụnụ anụnụ)
Ogologo ogologo mmịnye kacha (nm) 1 (PH 3.8) 2 (PH 5.4)	440-445 615-618
Ọnụọgụ nnabata nke oke, L/cm · g α1 (λ1PH 3.8, akọrọ sample) α2 (λ2PH 5.4, ihe atụ akọrọ)	24-28 53-58
Nnwale mgbasa nke ethanol	gafere
Ihe fọdụrụ na-ere ọkụ (gbakọọ dị ka sulfate)	≤0.25
Ọnwụ na ihicha	≤3.0

Ngwa

1.Bromocresol akwụkwọ ndụ akwụkwọ ndụ bụ onye na-ahụ maka nsị cell
2.Bromocresol green bụ Acid-base egosi, pH agba mgbanwe nso 3.8 (odo) ka 5.4 (acha anụnụ anụnụ-acha akwụkwọ ndụ)
3.Bromocresol green sodium nnu na-ejikarị na colorimetric mkpebi nke acidity na alkalinity. A na-eji ngwọta nnu sodium nke Bromocresol green dị ka onye na-ahụ maka agba maka ịlele uru pH site na spectrophotometry. A na-eji ya dị ka reagent maka chromatography oyi akwa dị mkpa iji chọpụta aliphatic hydroxyacids na alkaloids, yana dị ka mmịpụta na nkewa maka nchọpụta fotometric nke quaternary ammonium cations.