Merck, N8257-10G, α-Naphtholphthalein
Size:10 g, 1-Naphtholphthalein; 3, 3-Bis(4-hydroxynaphthalen-1-yl)isobenzofuran-1(3H)-one, practical grade
Available Catalog Numbers
Catalog Number: N8257-10G
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Category
Pack Size10 g
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| Web Name Suffix Override | >80% purity NaOH basis (titration), practical grade, powder |
|---|---|
| NACRES | NA.47 |
| PubChem Substance ID | 24897859 |
| UNSPSC Code | 12171500 |
| EC Number | 209-875-5 |
| MDL number | MFCD00036202 |
| Beilstein/REAXYS Number | 97816 |
| InChI | 1S/C28H18O4/c29-25-15-13-23(17-7-1-3-9-19(17)25)28(22-12-6-5-11-21(22)27(31)32-28)24-14-16-26(30)20-10-4-2-8-18(20)24/h1-16,29-30H |
| InChI key | HQHBAGKIEAOSNM-UHFFFAOYSA-N |
| SMILES string | Oc1ccc(c2ccccc12)C3(OC(=O)c4ccccc34)c5ccc(O)c6ccccc56 |
| grade | practical grade |
| assay | >80% NaOH basis (titration) |
| form | powder |
| technique(s) | titration: suitable |
| pH | 7.3-8.7, colorless to blue-green |
| mp | 238-240 °C (lit.) |
| solubility | ethanol: 50 mg/mL, clear, red-orange |
| application(s) | diagnostic assay manufacturinghematologyhistology |
| storage temp. | room temp |
| Quality Level | 200 |
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