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1.07531

1-(2-Pyridylazo)-2-naphthol

Name: 1-(2-Pyridylazo)-2-naphthol
Brand: MM

(PAN) metal indicator, Reag. Ph Eur

別名:

1-(2-Pyridylazo)-2-naphthol (PAN), PAN

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この商品について

実験式（ヒル表記法）:

C₁₅H₁₁N₃O

CAS番号:

85-85-8

分子量:

249.27

UNSPSC Code:

12352104

EC Index Number:

201-637-9

NACRES:

NB.21

MDL number:

MFCD00004071

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特性

製品名

1-(2-Pyridylazo)-2-naphthol (PAN), metal indicator Reag. Ph Eur

agency

reag. Ph. Eur.

Quality Segment

200

form

solid

color

brick red to orange-brown, clear to almost clear red-orange to brown-orange, 1.0g/L;ethanol

mp

136-141 °C

bulk density

190 kg/m³

λ_max

461-465 nm in ethanol

storage temp.

2-30°C

SMILES string

N(\N=C2\c3c(cccc3)C=CC\2=O)c1ncccc1

InChI

1S/C15H11N3O/c19-13-9-8-11-5-1-2-6-12(11)15(13)18-17-14-7-3-4-10-16-14/h1-10H,(H,16,17)/b18-15-

InChI key

RAXUMGMWXZYADR-SDXDJHTJSA-N

詳細

Application

Derivative spectrophotometric determination of iridium after preconcentration of its 1-(2-pyridylazo)-2-naphthol complex on microcrystalline naphthalene.: This study explores a spectrophotometric method for determining iridium using 1-(2-Pyridylazo)-2-naphthol (PAN) as a complexing agent, demonstrating an effective approach for trace metal analysis in academic and research applications, highlighting its relevance to environmental monitoring and analytical chemistry (Taher MA et al., 1997).

Simultaneous determination of gallium(III) and indium(III) by derivative spectrophotometry.: This research presents a derivative spectrophotometric technique for the concurrent determination of gallium and indium, employing PAN for chelation, underscoring its utility in the precise analysis of these metals in various sample matrices, which is crucial for chemists working in analytical fields (Singh VK et al., 2001).

Second and first-derivative spectrophotometry for efficient simultaneous and individual determination of palladium and cobalt using 1-(2-pyridylazo)-2-naphthol in sodium dodecylsulfate micellar media.: This paper introduces a novel approach for the simultaneous spectrophotometric determination of palladium and cobalt using PAN, offering significant advantages in terms of sensitivity and selectivity, essential for advancing analytical methodologies in chemistry (Eskandari H et al., 2003).

Zero-crossing second derivative spectrophotometry for simultaneous determination of palladium and nickel using 1-(2-pyridylazo)-2-naphthol in mixed micellar solutions.: This publication details a method for analyzing palladium and nickel using PAN, employing advanced spectrophotometric techniques to enhance detection capabilities, reflecting critical developments in analytical techniques relevant to chemists in academic settings (Eskandari H, 2004).

Preconcentration of 1-(2-pyridylazo)-2-naphthol-iron(III)-capriquat on a membrane filter, and third-derivative spectrophotometric determination of iron(III).: The study focuses on a preconcentration technique for iron analysis using PAN, demonstrating the application of derivative spectrophotometry in enhancing analytical precision, an essential aspect for researchers focused on trace metal analysis in environmental and industrial samples (Mori I et al., 1994).

Analysis Note

Identity (UV/VIS-Spectrum): passes test
Appearance: brick-red to orange-brown fine powder,eventually cohesive
Appearance of solution (1.0 g/l; ethanol): Clear to almost clear, red-orange to brown-orange
Melting point: 136 - 141 °C
Absorption maximum λ_max. (Ethanol): 461 - 465 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; Ethanol): 670 - 720
Suitability as indicator (for metal titration): passes test
Sensitivity test (Reag. Ph Eur): passes test

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保管分類

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c