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Merck

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

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About This Item

经验公式(希尔记法):
C15H11N3O
CAS号:
分子量:
249.27
Beilstein:
206390
EC號碼:
MDL號碼:
分類程式碼代碼:
12171500
PubChem物質ID:
NACRES:
NA.47

等級

indicator grade

品質等級

形狀

solid

技術

titration: suitable

顏色

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.)

&epsilon ;(消光係數)

≥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

適合性

suitable for (Suitable For Use as an Indicator in EDTA Titrations)

SMILES 字串

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 密鑰

LLYOXZQVOKALCD-ISLYRVAYSA-N

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一般說明

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。

應用

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。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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分析证书(COA)

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访问文档库

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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