4-(α-(4-Hydroxy-1-naphthyl)benzyliden)naphthalin-1(4H)-on
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- CAS-Nr.
- 145-50-6
- Bezeichnung:
- 4-(α-(4-Hydroxy-1-naphthyl)benzyliden)naphthalin-1(4H)-on
- Englisch Name:
- p-Naphtholbenzein
- Synonyma:
- α-Naphtholbenzein;A-NAPHTHOLBENZEIN;Nsc 9862;8.2-10.0);pha-NaphthoL;P-NAPTHOLBENZEIN;à-naphtholbenzein;ɑ-Naphtholbenzein;1-NAPHTHOLBENZEIN;P-NAPHTHOLBENZEIN
- CBNumber:
- CB4450645
- Summenformel:
- C27H18O2
- Molgewicht:
- 374.43
- MOL-Datei:
- 145-50-6.mol
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4-(α-(4-Hydroxy-1-naphthyl)benzyliden)naphthalin-1(4H)-on Eigenschaften
- Schmelzpunkt:
- 230-235 °C(lit.)
- Siedepunkt:
- 463.44°C (rough estimate)
- Dichte
- 1.0946 (rough estimate)
- Dampfdichte
- 12.9 (vs air)
- Brechungsindex
- 1.4875 (estimate)
- storage temp.
- Store at +5°C to +30°C.
- L?slichkeit
- Solubility Insoluble in water; soluble in ethanol, methanol
- Aggregatzustand
- Liquid
- pka
- 8.95(at 25℃)
- Farbe
- Pale Red-Brown
- S?ure-Base-Indikators(pH-Indikatoren)
- Green (0.0) to yellow (0.8);Yellow (8.2) to green-blue (11.0)
- Geruch (Odor)
- Odorless
- Wasserl?slichkeit
- insoluble
- maximale Wellenl?nge (λmax)
- 210nm
- BRN
- 3471575
- Stabilit?t:
- Stable. Combustible. Incompatible with strong oxidizing agents.
- InChIKey
- VDDWRTZCUJCDJM-SOYKGTTHSA-N
- CAS Datenbank
- 145-50-6(CAS DataBase Reference)
- EPA chemische Informationen
- 1(4H)-Naphthalenone, 4-[(4-hydroxy-1-naphthalenyl)phenylmethylene]- (145-50-6)
4-(α-(4-Hydroxy-1-naphthyl)benzyliden)naphthalin-1(4H)-on Chemische Eigenschaften,Einsatz,Produktion Methoden
R-S?tze Betriebsanweisung:
R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
S-S?tze Betriebsanweisung:
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
Chemische Eigenschaften
deep red to rust-coloured crystals
Verwenden
alpha-Naphtholbenzein is a pH indicator (pH 0.0-0.8/ pH 8.2-10.0). Dyes and metabolites.
4-(α-(4-Hydroxy-1-naphthyl)benzyliden)naphthalin-1(4H)-on Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
4-(α-(4-Hydroxy-1-naphthyl)benzyliden)naphthalin-1(4H)-on Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.
Global( 223)Lieferanten
145-50-6(4-(α-(4-Hydroxy-1-naphthyl)benzyliden)naphthalin-1(4H)-on)Verwandte Suche:
- α-Naphtholbenzein,4,4′-(α-Hydroxybenzylidene)di-1-naphthol, p-naphtholbenzein
- alpha-Naphtholbenzein, pure, 90% 10GR
- alpha-Naphtholbenzein, pure, 90% 25GR
- 1-NAPHTHOLBENZEIN INDICATOR 5 G
- α- naphthol quinone phenylMethane
- MAG BIND EQUIPURE GDNA (1X96)
- 1-Naphtholbenzein indicator Reag. Ph Eur
- 1(4H)-Naphthalenone, 4-(4-hydroxy-1-naphthalenyl)phenylmethylene-
- 4,4'-(à-hydroxybenzylidene)di-1-naphthol
- à-naphtholbenzein
- 1-Naphtholbenzein(PhIndicator)-(P-Naphtholbenzein)
- 1-Naphtholbenzein(PhIndicator)
- 1-NAPHTHOL BENZEIN ( ALPHA- NAPHTHOL BENZEIN) pH INDICATOR
- alpha-Naphtholbenzein, pure, 90%
- ɑ-Naphtholbenzein
- [(4-Hydroxy-1-naphthalenyl)phenylmethylene]-1-4(H)-naphthalenone
- 4-[(4-Hydroxynaphthalen-1-yl)-phenylmethylidene]naphthalen-1-one
- Alpha-naphtholbenzein, 90%, pure
- p-Naphtholbenzein (0.2% in Acetic Acid) [for Non-aqueous titration]
- p-Naphtholbenzein (1% in ca. 95% Ethanol) [for pH Determination]
- alpha-Naphtholbenzein,98%
- 1(4h)-naphthalenone, 4-[α-(4-hydroxy-1-naphthyl)benzylidene]-
- Nsc 9862
- LABOTEST-BB LT00452038
- 1-NAPHTHOLBENZEIN
- ALPHA,ALPHA-BIS(4-HYDROXY-1-NAPHTHYL)BENZYL ALCOHOL
- ALPHA-NAPHTHOLBENZEIN
- 4-[(4-HYDROXY-1-NAPHTHALENYL)PHENYLMETHYLENE]-1(4H)-NAPHTHALENONE
- 4-[(4-hydroxy-1-naphthalenyl)phenylmethylene]-1(4h)-naphthalenon
- 4,4’-(α-Hydroxybenzylidene)di-1-naphthol
- P-NAPTHOLBENZEIN
- P-NAPHTHOLBENZEIN
- P-NAPHTHOLBENZEIN (ALPHA)
- P-NAPHTHOLBENZEIN INDICATOR
- P-NAPHTHOLBENZEIN TS
- 4-(alpha-(4-hydroxy-1-naphthyl)benzylidene)naphthalen-1(4H)-one
- ALPHA-NAPHTHOLBENZEIN, INDICATOR GRADE
- P-NAPHTHOLBENZEIN(ALPHA-)(0.2% IN ACETIC ACID)[FOR NON-AQUEOUS TITRATION]
- P-NAPHTHOLBENZEIN(ALPHA-)(10% IN CA. 95% ETHANOL) [FOR PH DETERMINATION]
- pha-NaphthoL
- (4E)-4-[(4-hydroxy-1-naphthalenyl)-phenylmethylidene]-1-naphthalenone
- α - naphthol benzyl alcohol
- alpha-Naphtholbenzein (Technical Grade)
- p-Naphtholbenzein USP/EP/BP
- α-Naphtholbenzein (Technical Grade)
- α-Naphtholquinone phenylmethane 1-Naphtholbenzein, indicator Reag.
- alpha-Naphthol benzene
- 4-(?-(4-hydroxy-1-naphthyl)benzylidene)naphthalen-1(4H)-one
- P-Naphtholbenzein, Pure, Indicator Grade, Fisher Chemical&trade
- 1-NAPHTHOLBENZEIN Indicator grade
- 8.2-10.0)
- alpha-Naphtholbenzein，alpha-Naphtholbenzein
- indicator (pH 0.0-0.8
- A-NAPHTHOLBENZEIN
- α-Naphtholbenzein
- p-Naphtholebnzein
- (E)-4-((4-hydroxynaphthalen-1-yl)(phenyl)methylene)naphthalen-1(4H)-one
- alpha-Naphtholbenzein，alpha-Naphtholbenzein，indicator (pH 0.0-0.8
