Bromocresol eleyi ti CAS 115-40-2

CAS:115-40-2

Fọọmu Molecular:C21H16Br2O5S

Ìwọ̀n Molikula:540.22

EINECS:204-087-8

Awọn itumọ ọrọ sisọ:OJUTU BROMOCRESOL PURPLE, DICATOR ACID-BASEIN; BROMOCRESOL PURPLE Atọka, REAG. PH. EUR.; BROMO CRESOL PURPLE OJUTU 100 milimita; BromocresolPurple IndicatorOhuntu; BromoethaneForSynthesis; BromocresolPurple,Acid Ọfẹ; MW 540.24; BROMOCRESOL PURPLE, REAG.

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Kini Bromocresol Purple CAS 115-40-2?

Bromocresol eleyi ti jẹ insoluble ninu omi, tiotuka ni ethanol ati ki o han ofeefee, tiotuka ni dilute sodium hydroxide ati dilute soda carbonate solusan ati ki o han eleyi ti pupa, pẹlu kan yo ojuami ti 241-242 ℃. Lilo akọkọ ti bromocresol violet jẹ bi itọkasi ipilẹ-acid ati itọka titration ti kii ṣe olomi.

Sipesifikesonu

Nkan	Sipesifikesonu
PH	pH: 5.2 ~ 6.8
iwuwo	1.6509 (iṣiro)
Ojuami yo	240°C (oṣu kejila) (tan.)
oju filaṣi	36 °C
pKa	6.21, 6.3, 6.4(ni 25℃)
Awọn ipo ipamọ	Fipamọ ni +5°C si +30°C.

Ohun elo

Atọka-ipilẹ acid Bromocresol Purple acid, ti a lo fun itupalẹ chromatographic ati titration ti kii ṣe olomi. Iwọn iyipada awọ PH: 5.2 (ofeefee) -6.8 (eleyi ti). Atọka adsorption. Iwọn inu fun amino acid chromatography. Titration iyọ fadaka ti thiocyanate. Ojoriro ti awọn ọlọjẹ ara ni lilo spectrophotometry.