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ChemicalBook >> CAS DataBase List >> 1-(2-Pyridylazo)-2-naphthol

1-(2-Pyridylazo)-2-naphthol

1-(2-Pyridylazo)-2-naphthol price.
  • $11 - $2244
  • Product name: 1-(2-Pyridylazo)-2-naphthol
  • CAS: 85-85-8
  • MF: C15H11N3O
  • MW: 249.27
  • EINECS:201-637-9
  • MDL Number:MFCD00004071
  • Synonyms:1-(2-pyridinylazo)-2-naphthaleno ;1-(2-Pyridylazo)-2-Hydroxynaphthalene;O-PAN;1-(2-Pyridylazo)-2-n;1-(2-Pyridylazo)-2-naphthol 99%;1-[(E)-2-Pyridinyldiazenyl]-2-naphthol;2-Hydroxy-1-(2-pyridylazo)naphthalene;2-Naphthol, 1-(2-pyridylazo)-
20 prices
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Brand
  • AK Scientific
  • Alfa Aesar
  • Ambeed
  • American Custom Chemicals Corporation
  • Biorbyt Ltd
  • Chem-Impex
  • GFS CHEMICALS
  • Sigma-Aldrich
  • TCI Chemical
  • TRC
Package
  • 10μg
  • 500mg
  • 1g
  • 5g
  • 25g
  • 100g
  • 500g
  • 500mL
  • ManufacturerAK Scientific
  • Product numberX6820
  • Product description1-(2-Pyridylazo)-2-Naphthol
  • Packaging1g
  • Price$93
  • Updated2021-12-16
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA17475
  • Product description1-(2-Pyridylazo)-2-naphthol, 98%
  • Packaging1g
  • Price$24.65
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA17475
  • Product description1-(2-Pyridylazo)-2-naphthol, 98%
  • Packaging5g
  • Price$84.2
  • Updated2024-03-01
  • Buy
  • ManufacturerAlfa Aesar
  • Product numberA17475
  • Product description1-(2-Pyridylazo)-2-naphthol, 98%
  • Packaging25g
  • Price$298
  • Updated2024-03-01
  • Buy
  • ManufacturerAmbeed
  • Product numberA402444
  • Product description1-(2-Pyridylazo)-2-naphthol AR,90%(HPLC)
  • Packaging5g
  • Price$11
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA402444
  • Product description1-(2-Pyridylazo)-2-naphthol AR,90%(HPLC)
  • Packaging25g
  • Price$30
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA402444
  • Product description1-(2-Pyridylazo)-2-naphthol AR,90%(HPLC)
  • Packaging100g
  • Price$93
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA402444
  • Product description1-(2-Pyridylazo)-2-naphthol AR,90%(HPLC)
  • Packaging500g
  • Price$275
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0016676
  • Product description1-(2-PYRIDYLAZO)-2-NAPHTHOL 95.00%
  • Packaging5G
  • Price$856.39
  • Updated2021-12-16
  • Buy
  • ManufacturerBiorbyt Ltd
  • Product numberorb531586
  • Product descriptionPAN2
  • Packaging10μg
  • Price$2244
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number22809
  • Product description1-(2-Pyridylazo)-2-naphthol,≥98%(Assay),Indicatorgrade ≥98%(Assay)
  • Packaging5G
  • Price$46.59
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number22809
  • Product description1-(2-Pyridylazo)-2-naphthol,≥98%(Assay),Indicatorgrade ≥98%(Assay)
  • Packaging25G
  • Price$174.72
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number22809
  • Product description1-(2-Pyridylazo)-2-naphthol,≥98%(Assay),Indicatorgrade ≥98%(Assay)
  • Packaging100G
  • Price$652.29
  • Updated2021-12-16
  • Buy
  • ManufacturerGFS CHEMICALS
  • Product number24921
  • Product descriptionPANINDICATOR0.1%
  • Packaging500mL
  • Price$44.64
  • Updated2021-12-16
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  • ManufacturerSigma-Aldrich
  • Product number101036
  • Product description1-(2-Pyridylazo)-2-naphthol indicator grade
  • Packaging5g
  • Price$181
  • Updated2024-03-01
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number1.07531
  • Product description1-(2-Pyridylazo)-2-naphthol (PAN) metal indicator Reag. Ph Eur
  • Packaging5G
  • Price$211
  • Updated2024-03-01
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific X6820 1-(2-Pyridylazo)-2-Naphthol 1g $93 2021-12-16 Buy
Alfa Aesar A17475 1-(2-Pyridylazo)-2-naphthol, 98% 1g $24.65 2024-03-01 Buy
Alfa Aesar A17475 1-(2-Pyridylazo)-2-naphthol, 98% 5g $84.2 2024-03-01 Buy
Alfa Aesar A17475 1-(2-Pyridylazo)-2-naphthol, 98% 25g $298 2024-03-01 Buy
Ambeed A402444 1-(2-Pyridylazo)-2-naphthol AR,90%(HPLC) 5g $11 2021-12-16 Buy
Ambeed A402444 1-(2-Pyridylazo)-2-naphthol AR,90%(HPLC) 25g $30 2021-12-16 Buy
Ambeed A402444 1-(2-Pyridylazo)-2-naphthol AR,90%(HPLC) 100g $93 2021-12-16 Buy
Ambeed A402444 1-(2-Pyridylazo)-2-naphthol AR,90%(HPLC) 500g $275 2021-12-16 Buy
American Custom Chemicals Corporation CHM0016676 1-(2-PYRIDYLAZO)-2-NAPHTHOL 95.00% 5G $856.39 2021-12-16 Buy
Biorbyt Ltd orb531586 PAN2 10μg $2244 2021-12-16 Buy
Chem-Impex 22809 1-(2-Pyridylazo)-2-naphthol,≥98%(Assay),Indicatorgrade ≥98%(Assay) 5G $46.59 2021-12-16 Buy
Chem-Impex 22809 1-(2-Pyridylazo)-2-naphthol,≥98%(Assay),Indicatorgrade ≥98%(Assay) 25G $174.72 2021-12-16 Buy
Chem-Impex 22809 1-(2-Pyridylazo)-2-naphthol,≥98%(Assay),Indicatorgrade ≥98%(Assay) 100G $652.29 2021-12-16 Buy
GFS CHEMICALS 24921 PANINDICATOR0.1% 500mL $44.64 2021-12-16 Buy
Sigma-Aldrich 101036 1-(2-Pyridylazo)-2-naphthol indicator grade 5g $181 2024-03-01 Buy
Sigma-Aldrich 1.07531 1-(2-Pyridylazo)-2-naphthol (PAN) metal indicator Reag. Ph Eur 5G $211 2024-03-01 Buy

Properties

Melting point :138-141 °C (lit.)
Boiling point :392.37°C (rough estimate)
Density :1.1469 (rough estimate)
refractive index :1.5700 (estimate)
storage temp. :Store at +5°C to +30°C.
solubility :Practically insoluble[in water]
form :Powder/Solid
pka :8.86±0.50(Predicted)
color :green to red, upon chelation with metal
Water Solubility :Insoluble
BRN :206390
Stability :Stable. Incompatible with strong oxidizing agents, strong bases.
CAS DataBase Reference :85-85-8(CAS DataBase Reference)
NIST Chemistry Reference :2-Naphthalenol, 1-(2-pyridinylazo)-(85-85-8)
EPA Substance Registry System :2-Naphthalenol, 1-(2-pyridinylazo)- (85-85-8)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Description

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.

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