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等级
indicator grade
质量水平
形式
solid
技术
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 ((280 - 286 °F) - lit)
138-141 °C (lit.)
ε (消光系数)
≥15000 at 462-468 nm in methanol at 0.01 g/L
>35,000 at 222-228 nm in methanol at 0.01 g/L
>9,000 at 300-306 nm in methanol at 0.01 g/L
适用性
suitable for (Suitable For Use as an Indicator in EDTA Titrations)
SMILES字符串
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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相关类别
一般描述
1-(2-吡啶偶氮)-2-萘酚(PAN)是一种橙色染料。它可以和金属离子形成螯合物，这使其成为络合物滴定中有价值的指示剂。
应用
1-(2-吡啶偶氮)-2-萘酚(PAN)通常用于酸碱指示剂。它还可用于分光光度法试剂，可以与金属螯合萃取进有机溶剂中。
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
Fresenius Journal of Analytical Chemistry, 329, 750-750 (1988)
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)
Microchemical Journal, Devoted to the Application of Microtechniques in All Branches of Science, 40, 94-94 (1989)
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