alpha-Naphtholphthalein CAS 596-01-0

CAS:596-01-0

Molecular Formula:C28H18O4

Molecular Weight:418.44

EINECS:209-875-5

Mashoko anoreva zvakafanana:3,3-bis(4-hydroxynaphthalen-1-yl) -1,3-dihydro-2-benzofuran-1-imwe; alpha-Naphtholphthalein, chiratidzo, yakachena 5GR; 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-imwe; 1-NAPHTHOLPHTHALEIN CHIRATIDZO PH 7,1 - 8; 1-NAPHTHOLPHTHALEIN; ALPHA-NAPHTHOLPHTHALEIN; NAPHTHHOLPHTHALEIN

Siya Mharidzo Yako

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Chii chinonzi alpha-Naphtholphthalein CAS 596-01-0?

Hutsvina huri mualpha Nathophthalein huzhinji hutsvuku muruvara, hunoshanduka kubva pakutsvuka kusvika kublue-girinhi papH 7.3-8.7.

Tsanangudzo

Item	Tsanangudzo
Boiling point	496.21°C (yakaomarara fungidziro)
Density	1.1532 (yakaomarara fungidziro)
Melting point	238-240 °C(lit.)
pKa	8.0, 8.2, 8.5(pa25℃)
resistivity	1.6400 (kufungidzira)
Kuchengetedza mamiriro	Chengetedza pasi pe +30°C.

Application

Alpha Nephthophyllein inoshandiswa sechiratidzo che acid-base. Haina ruvara kuenda kuorenji yero pa pH inosvika 6.7 uye inoshanduka kubva payero reorenji kuenda kublue papH inosvika 7.9. Kusachena muzvigadzirwa zvinotengeswa zvinowanzoonekwa seruvara dzvuku rakareruka, rinoshanduka kubva pakutsvuka kuenda kublue-green pa pH ye7.3-8.7.