1- (2-pyridylazo) -2-naphthol

Structural formula
General
Surname	1- (2-pyridylazo) -2-naphthol
other names	PAN; Pyridylazonaphtol;
Molecular formula	C 15 H 11 N 3 O
Brief description	orange-red amorphous solid, yellow in organic solvents
External identifiers / databases
EC number	201-637-9
ECHA InfoCard	100.001.489
PubChem	5376264
Wikidata	Q3596751
properties
Molar mass	249.27 g mol −1
Physical state	firmly
Melting point	138-141 ° C
safety instructions
GHS labeling of hazardous substances Caution
H and P phrases	H: 315-319-335
	P: 261-305 + 351 + 338
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

1- (2-Pyridylazo) -2-naphthol (PAN) is a chemical compound from the group of naphthols . PAN forms insoluble, red to green chelate complexes with many transition metals , so that these can be used for quantitative metal determination. PAN is a tridentate chelator.

Individual evidence

↑ ^a ^b ^c ^d data sheet 1- (2-pyridylazo) -2-naphthol, for spectrophotometric det. of metal ions, ≥97.0% from Sigma-Aldrich , accessed on October 21, 2013 ( PDF ).

[Sigma-1] ta sheet 1- (2-pyridylazo) -2-naphthol, for spectrophotometric det. of metal ions, ≥97.0% from Sigma-Aldrich , accessed on October 21, 2013 ( PDF ).