Merck, 291099-5G, α-Naphtholbenzein
Size:5 g, 4, 4′-(α-Hydroxybenzylidene)di-1-naphthol, p-naphtholbenzein, indicator grade
Available Catalog Numbers
Catalog Number: 291099-5G
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Category
Pack Size5 g
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| NACRES | NA.47 |
|---|---|
| PubChem Substance ID | 24857510 |
| UNSPSC Code | 12171500 |
| EC Number | 205-656-3 |
| Beilstein/REAXYS Number | 2628063 |
| InChI key | VDDWRTZCUJCDJM-PNHLSOANSA-N |
| InChI | 1S/C27H18O2/c28-25-16-14-23(19-10-4-6-12-21(19)25)27(18-8-2-1-3-9-18)24-15-17-26(29)22-13-7-5-11-20(22)24/h1-17,28H/b27-24- |
| SMILES string | Oc1ccc(\C(c2ccccc2)=C3\C=CC(=O)c4ccccc34)c5ccccc15 |
| grade | indicator grade |
| form | powder |
| technique(s) | titration: suitable |
| color | faintly Faint Brown to Very Dark Brown to Very Dark Red and Black |
| pH | 0.0, green |
| mp | 230-235 °C (lit.) |
| ε (extinction coefficient) | ≥50000 at 207-213 nm in methanol at 0.01 g/L |
| application(s) | diagnostic assay manufacturinghematologyhistology |
| storage temp. | room temp |
| Quality Level | 100 |
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