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Alfa Aesar™ 1-(2-Pyridylazo)-2-naphthol, 98%

$28.32 - $91.77

Chemical Identifiers

Chemical Name or Material 1-(2-Pyridylazo)-2-naphthol
CAS 85-85-8
Molecular Formula C15H11N3O
Formula Weight 249.27
MDL Number MFCD00004071
Beilstein 206390
Synonym PAN
View More Specs
Products
Catalog Number Mfr. No. Quantity Price Quantity    

AAA1747503

  SDS
alfa aesar™
A1747503
1g Each for $28.32

AAA1747506

  SDS
alfa aesar™
A1747506
5g Each for $91.77
Description & Specifications

Specifications

Formula Weight 249.27
Health Hazard 2 GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.
Synonym PAN
Chemical Name or Material 1-(2-Pyridylazo)-2-naphthol
Assay 98%
CAS 85-85-8
MDL Number MFCD00004071
TSCA TSCA
Beilstein 206390
Health Hazard 1 Warning
Molecular Formula C15H11N3O
Melting Point 138° to 141°C
Quantity 1g
Health Hazard 3 GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

Applications
1-(2-Pyridylazo)-2-naphthol is widely used as an indicator for complexometry. It is used as a reagent for the extraction and spectrophotometric determination (for colorimetric analysis) of many transition metal elements like arsenic, chromium, cobalt, copper, cadmium, manganese, zinc and zirconium. It is also used for the analysis of uranium and thorium in solutions.

Solubility
Insoluble in water.

Notes
Incompatible with strong bases and strong oxidizing agents.

Safety and Handling

Warning

GHS P Statement
P261-P280-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapors/spray.
Wear protective gloves/protective clothing/eye protection/face protection.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
Store locked up.
Dispose of contents/container in accordance with local/regional/national/international regulations.

GHS H Statement
H315-H319-H335
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.