Bromocresol Green na CAS 76-60-8

CAS:76-60-8

MF:C21H14Br4O5S

MW:698.01

EINECS:200-972-8

Aha njirimara: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

Hapụ Ozi Gị

Nkọwa Ngwaahịa

Budata

Akara Ngwaahịa

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

Akwụkwọ ndụ Bromocresol na-agbaze ntakịrị na mmiri ma na-agbaze na ethanol, ether, ethyl acetate, na benzene. Akwụkwọ ndụ Bromocresol na-enwe mmetụta dị ukwuu na alkali, ọ na-agbanwe agba pụrụ iche na-acha anụnụ anụnụ-akwụkwọ ndụ mgbe ọ na-ezute mmiri alkaline. Enwere ike iji akwụkwọ ndụ Bromocresol mee ihe dị ka ihe ngosi, na-apụta odo odo na pH 3.8 na acha anụnụ anụnụ-akwụkwọ ndụ na pH 5.4.

Nkọwapụta

ihe	Nkọwapụta
PH(oge mgbanwe)	3.8 (akwụkwọ ndụ akwụkwọ ndụ odo) -5.4 (acha anụnụ anụnụ)
Oke ogologo mmiri nnabata (nm) λ1(PH 3.8) λ2(PH 5.4)	440~445 615~618
Ọnụọgụ nnabata oke, L/cm · g α1(λ1PH 3.8, ihe nlele akọrọ) α2(λ2PH 5.4, ihe nlele akọrọ)	24~28 53~58
Nnwale mkpochapụ ethanol	ngafe
Ihe fọdụrụ na-ere ọkụ (agbakọrọ dị ka sulfate)	≤0.25
Mfu mgbe a kpọrọ nkụ	≤3.0

Ngwa

1.Bromocresol akwụkwọ ndụ akwụkwọ ndụ bụ ihe na-eme ka mkpụrụ ndụ nwee agba
2. Akwụkwọ ndụ akwụkwọ ndụ Bromocresol bụ ihe ngosi isi acid, pH mgbanwe agba dị iche iche sitere na 3.8 (odo odo) ruo 5.4 (acha anụnụ anụnụ-akwụkwọ ndụ akwụkwọ ndụ)
3. A na-ejikarị nnu sodium akwụkwọ ndụ akwụkwọ ndụ Bromocresol eme ihe n'ịchọpụta agba nke acidity na alkalinity. A na-eji ngwọta nnu sodium nke Bromocresol akwụkwọ ndụ akwụkwọ ndụ dị ka ihe na-eme agba agba maka ịtụ uru pH site na spectrophotometry. A na-eji ya dị ka ihe na-eme ka a na-eme chromatography dị gịrịgịrị iji chọpụta hydroxyacids na alkaloids aliphatic, yana dị ka ihe na-eme ka a na-ewepụta ma kewapụ maka mkpebi photometric nke cations ammonium quaternary.