alpha-Naphtholphthalein CAS 596-01-0

CAS:596-01-0

ʻAno Molekala:C28H18O4

Kaumaha Molekala:418.44

EINECS:209-875-5

Nā huaʻōlelo like:3,3-bis(4-hydroxynaphthalen-1-yl) -1,3-dihydro-2-benzofuran-1-one; alpha-Naphtholphthalein, hōʻailona, 5GR maʻemaʻe; 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-hoʻokahi; 1-NAPHTHOLPHTHALEIN INDICATOR PH 7,1 - 8; 1-NAPHTHOLPHTHALEIN; ALPHA-NAPHTHOLPHTHALEIN; NAPHTHOLPHTHALEIN

Waiho i kāu leka

Huahana Huahana

Hoʻoiho

Huahana Huahana

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

ʻO nā mea haumia i loko o ka alpha Nathophthalein he ʻulaʻula māmā i ka waihoʻoluʻu, e loli ana mai ka ʻulaʻula māmā a i ka uliuli-'ōmaʻomaʻo ma ka pH 7.3-8.7.

Hōʻike

'ikamu	Hōʻike
Lae paila	496.21°C (manaʻo koʻikoʻi)
ʻO ka mānoanoa	1.1532 (manaʻo koʻikoʻi)
Lae hehee	238-240 °C(māmā)
pKa	8.0, 8.2, 8.5 (ma 25 ℃)
kūʻē	1.6400 (manaʻo)
Nā kūlana mālama	E mālama ʻia ma lalo o +30 ° C.

Palapala noi

Hoʻohana ʻia ʻo Alpha Nephthophyllein ma ke ʻano he hōʻailona acid-base. ʻAʻole waihoʻoluʻu i ka melemele ʻalani ma kahi pH ma kahi o 6.7 a hoʻololi ʻia mai ka melemele ʻalani a i ka uliuli ma kahi pH ma kahi o 7.9. Hōʻike pinepine ʻia nā mea haumia i nā huahana i kūʻai ʻia ma ke ʻano he kala ʻulaʻula māmā, e loli ana mai ka ʻulaʻula māmā a i ka uliuli-'ōmaʻomaʻo ma kahi pH o 7.3-8.7.