alfa-Naphtholphthalein CAS 596-01-0

CAS:596-01-0

Qaanuunka molecular:C28H18O4

Miisaanka Molecular:418.44

EINECS:209-875-5

La mid ah:3,3-bis (4-hydroxynaphthalen-1-yl) -1,3-dihydro-2-benzofuran-1-hal; alfa-Naphtholphthalein, tilmaame, saafi ah 5GR; 3,3-Bis (4-hydroxynaphthalen-1-yl) isobenzofuran-1 (3H) -hal; 1-NAPHTHOLPHTHALEIN Tusiyaha PH 7,1 - 8; 1-NAPHTHOLPHTHALEIN; ALPHA-NAPHTHOLPHTHALEIN; NAPHTHOLPHTHALEIN

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Waa maxay alfa-Naphtholphthalein CAS 596-01-0?

Wasakhda ku jirta alfa Nathophthalein inta badan waa midab casaan khafiif ah, kaas oo ka beddelaya casaan iftiin ah oo buluug-cagaaran ah pH 7.3-8.7.

Tilmaamid

Shayga	Tilmaamid
Barta karkarinta	496.21°C (qiyaasta qallafsan)
Cufnaanta	1.1532 (qiyaasta adag)
barta dhalaalaysa	238-240 °C ( shid)
pKa	8.0, 8.2, 8.5 ( saacada 25 ℃)
iska caabin	1.6400 (qiyaas)
Xaaladaha kaydinta	Ku kaydi meel ka hooseysa +30°C.

Codsiga

Alpha Nephthophyllein waxaa loo isticmaalaa tilmaame-saldhig acid. Waa mid aan midab lahayn ama huruud ah oo liin ah marka loo eego pH qiyaastii 6.7 waxayna ka beddeshaa orange huruud ah oo buluug ah pH qiyaastii 7.9. Wasakhda alaabooyinka ganacsi ahaan loo heli karo waxay inta badan u muuqdaan midab casaan khafiif ah, kaas oo ka beddelaya casaan iftiin ah oo buluug-cagaaran ah pH 7.3-8.7.