alpha-Naphtholphthalein CAS 596-01-0

CAS:596-01-0

Formula Molekul:C28H18O4

Bobot molekul:418.44

EINECS:209-875-5

sinonim:3,3-bis(4-hydroxynaphthalen-1-yl)-1,3-dihydro-2-benzofuran-1-siji; alpha-Naphtholphthalein, indikator, murni 5GR; 3,3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-siji; 1-NAPHTHOLPHTHALEIN INDIKATOR PH 7,1 - 8; 1-NAPHTHOLPHTHALEIN; ALPHA-NAPHTHOLPHTHALEIN; NAPHTHOLPHTHALEIN

Ninggalake Pesen Panjenengan

Detail Produk

Ngundhuh

Tag produk

Apa alpha-Naphtholphthalein CAS 596-01-0?

Kotor ing alpha Nathophthalein biasane abang cahya, sing owah saka abang cahya dadi biru-ijo ing pH 7,3-8,7.

Spesifikasi

Item	Spesifikasi
Titik didih	496,21°C (kira-kira kasar)
Kapadhetan	1.1532 (kira-kira kasar)
Titik lebur	238-240 °C (cahya)
pKa	8,0, 8,2, 8,5 (ing 25 ℃)
resistivitas	1.6400 (takiran)
Kondisi panyimpenan	Simpen ing ngisor +30 ° C.

Aplikasi

Alpha Nephthophyllein digunakake minangka indikator asam-basa. Ora ana warna dadi kuning oranye ing pH udakara 6,7 lan owah saka kuning oranye dadi biru ing pH udakara 7,9. Kotoran ing produk sing kasedhiya ing komersial asring katon minangka werna abang cahya, sing owah saka abang cahya dadi biru-ijo kanthi pH 7,3-8,7.