alpha-Naphtholphthalein CAS 596-01-0

CAS:596-01-0

Tātai rāpoi:C28H18O4

Taumaha rāpoi:418.44

EINECS:209-875-5

kupu taurite:3,3-bis(4-hydroxynaphthalen-1-yl)-1,3-dihydro-2-benzofuran-1-one; alpha-Naphtholphthalein, tohu, 5GR parakore; 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-kotahi; 1-NAPHTHOLPHTHALEIN TOHUTOHU PH 7,1 - 8; 1-NAPHTHOLPHTHALEIN; ALPHA-NAPHTHOLPHTHALEIN; NAPHTHOLPHTHALEIN

Waiho To Karere

Taipitopito Hua

Tikiake

Tohu Hua

He aha te alpha-Naphtholphthalein CAS 596-01-0?

Ko nga poke o te alpha Nathophthalein he whero marama te nuinga o te tae, ka huri mai i te whero marama ki te puru-matomato i te pH 7.3-8.7.

Whakatakotoranga

Tūemi	Whakatakotoranga
Kohuatanga	496.21°C (whakatau tata)
Kiato	1.1532 (whakatau tata)
Te rewa	238-240 °C(marama)
pKa	8.0, 8.2, 8.5(i te 25 ℃)
parenga	1.6400 (whakatau tata)
Nga tikanga rokiroki	Whakaorangia ki raro +30°C.

Taupānga

Ka whakamahia te Alpha Nephthophyllein hei tohu waikawa-papa. Karekau he tae ki te karaka kowhai i te pH o te 6.7 ka huri mai i te kowhai karaka ki te kahurangi i te pH tata ki te 7.9. Ko nga poke i roto i nga hua hokohoko ka puta he tae whero marama, ka huri mai i te whero marama ki te puru-matomato i te pH o 7.3-8.7.