101036
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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关于此项目
经验公式（希尔记法）:
C15H11N3O
化学文摘社编号:
分子量:
249.27
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
EC Number:
201-637-9
Beilstein/REAXYS Number:
206390
MDL number:
grade
indicator grade
Quality Segment
form
solid
technique(s)
titration: suitable
color
green to red, upon chelation with metal, orange-red, as an amorphous solid, yellow, when dissolved in organic solvent
mp
138-141 °C (lit.), 138-141 °C ((280 - 286 °F) - lit)
ε (extinction coefficient)
≥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
suitability
suitable for (Suitable For Use as an Indicator in EDTA Titrations)
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
General description
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。
Application
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。
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存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves