alpha-Naphtholphthalein CAS 596-01-0

CAS:596-01-0

Fomula ya Maselo:C28H18O4

Kulemera kwa Maselo:418.44

EINECS:209-875-5

Mawu ofanana:3,3-bis(4-hydroxynaphthalen-1-yl)-1,3-dihydro-2-benzofuran-1-one; alpha-Naphtholphthalein, chizindikiro, 5GR yoyera; 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one; 1-NAPHTHOLPHTHALEIN CHIZINDIKIRO PH 7,1 - 8; 1-NAPHTHOLPHTHALEIN; ALPHA-NAPHTHOLPHTHALEIN; NAPHTHOLPHTHALEIN

Siyani Uthenga Wanu

Tsatanetsatane wa Zamalonda

Tsitsani

Ma tag a Zamalonda

Kodi alpha-Naphtholphthalein CAS 596-01-0 ndi chiyani?

Zonyansa zomwe zili mu alpha Nathophthalein nthawi zambiri zimakhala zofiira pang'ono, zomwe zimasintha kuchoka pa zofiira pang'ono kupita ku buluu-wobiriwira pa pH 7.3-8.7.

Kufotokozera

Chinthu	Kufotokozera
Malo otentha	496.21°C (kuyerekezera koyenera)
Kuchulukana	1.1532 (chiyerekezo choyerekeza)
Malo osungunuka	238-240 °C (lit.)
pKa	8.0, 8.2, 8.5 (pa 25℃)
kukana	1.6400 (chiyerekezo)
Malo osungiramo zinthu	Sungani pansi pa +30°C.

Kugwiritsa ntchito

Alpha Nephthophyllein imagwiritsidwa ntchito ngati chizindikiro cha acid-base. Ndi yopanda mtundu mpaka yachikasu lalanje pa pH ya pafupifupi 6.7 ndipo imasintha kuchoka pa yachikasu lalanje kupita ku buluu pa pH ya pafupifupi 7.9. Zodetsa zomwe zimapezeka m'masitolo nthawi zambiri zimawoneka ngati mtundu wofiira wopepuka, womwe umasintha kuchoka pa wofiira wopepuka kupita ku wobiriwira wabuluu pa pH ya 7.3-8.7.