所有图片(2)

101036

Sigma-Aldrich

1-(2-吡啶偶氮)-2-萘酚

indicator grade

别名:
1-(2-吡啶偶氮)-2-萘酚
Empirical Formula (Hill Notation):
C15H11N3O
CAS号:
分子量:
249.27
Beilstein:
206390
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.47

质量水平

200

等级

indicator grade

technique(s)

titration: suitable

颜色

green to red, upon chelation with metal
orange-red, as an amorphous solid
yellow, when dissolved in organic solvent

mp

138-141 °C (lit.)

λmax

462 nm

SMILES string

Oc1ccc2ccccc2c1\N=N\c3ccccn3

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/h1-10,19H/b18-17+

InChI key

LLYOXZQVOKALCD-ISLYRVAYSA-N

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一般描述

1-(2-吡啶偶氮)-2-萘酚 (PAN) 是一种橙色染料,常用作酸碱指示剂。它能与金属离子形成螯合物,是络合滴定中的一种有价值的指示剂。PAN 也是一种分光光度法试剂,可将金属螯合物萃取到有机溶剂中。

包装

5, 25 g in glass bottle

储存分类代码

13 - Non Combustible Solids

WGK

WGK 3

闪点(F)

Not applicable

闪点(C)

Not applicable

个人防护装备

dust mask type N95 (US), Eyeshields, Gloves

分析证书

原产地证书 (CofO)

Microchemical Journal, Devoted to the Application of Microtechniques in All Branches of Science, 40, 94-94 (1989)
Analytical Sciences, 5, 601-601 (1989)
Solvent extraction and spectrophotometric determination of metals with 1-(2-pyridylazo)-2-naphthol.
Shibata S.
Analytica Chimica Acta, 25(1), 348-359 (1961)
Spectrophotometric Investigation of Analytical Reagent 1-(2-Pyridylazo)-2-naphthol and Its Copper Chelate.
Pease BF and Williams MB.
Analytical Chemistry, 31(6), 1044-1047 (1959)
1-(2-Pyridylazo)-2-naphthol as possible analytical reagent.
Cheng KL and Bray RH.
Analytical Chemistry, 27(5), 782-785 (1955)

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