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Sigma-Aldrich 1-(2-Pyridylazo)-2-Naphtho
List Price
$196.00
Your Price
$196.00
Sigma-Aldrich 1-(2-Pyridylazo)-2-Naphthol & - SIAL (Additional S&H Or Hazmat Fees May Apply)
NETA PART:
SIAL-101036-5G
MFG.PART:
101036-5G
UNSPSC:
12171500
Manufacturer:
Sigma-Aldrich
grade
indicator grade
Quality Level
200
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 ((280 - 286 °F) - lit)
138-141 °C (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+
Related Categories
Dry Dyes & Certified Stains
General description
1-(2-Pyridylazo)-2-naphthol (PAN) is an orange-colored dye. It can form chelates with metal ions, which makes it a valuable indicator in complexometric titrations.[1][2]
Application
1-(2-Pyridylazo)-2-naphthol is commonly used as an acid-base indicator. It is also suitable as a spectrophotometric reagent, which can extract metal chelates into an organic solvent.
wgk_germany
WGK 3
PPE
dust mask type N95 (US), Eyeshields, Gloves
| SKU | SIAL-101036-5G |
|---|---|
| Supplier Part Number | 101036-5G |
| UM | EA |
| UNSPSC | 12171500 |
| Manufacturer | Sigma-Aldrich |
| Temperature | room temp |
| ProductLine | SIAL |
| Qty | 1 |
| MinOrderQty | 1 |
| Weight | 10.000000 |
| Lead Time | 9 |
| Hazardous | Y |
| CAS Number | 85-85-8 |
| Energy Star | No |
| Green | No |
| Controlled | N |