| Identification | |
| Name: | 1(3H)-Isobenzofuranone,3,3-bis(4-hydroxy-1-naphthalenyl)- |
| Synonyms: | 1,1'-Naphthol-4,4'-phthalein(6CI);Phthalide, 3,3-bis(4-hydroxy-1-naphthyl)- (8CI);1-Naphtholphthalein;3,3-Bis(4-hydroxy-1-naphthyl)-1,3-dihydroisobenzofuran-1-one;3,3-Bis(4-hydroxy-1-naphthyl)phthalide;Di-p-a-Naphtholphthalide;Naphtholphthalein blue;p-a-Naphtholphthalein;a-Naphtholphthalein; |
| CAS: | 596-01-0 |
| EINECS: | 209-875-5 |
| Molecular Formula: | C28H18O4 |
| Molecular Weight: | 418.44012 |
| InChI: | 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 |
| Molecular Structure: |  |
| Properties | |
| Density: | 1.404 g/cm3 |
| Stability: | Stable under normal temperatures and pressures. |
| Refractive index: | 1.769 |
| Water Solubility: | Insoluble. |
| Solubility: | Insoluble. |
| Appearance: | gray to brown solid |
| Specification: | pink to beige or brown fine crystalline powder Safety Statements:26-36 26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 36:Wear suitable protective clothing |
| HS Code: | 32041900 |
| Storage Temperature: | Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed. |
| Usage: | Used as a indicator in 0.1% Or 0.04% Solution in alc. |
| Safety Data | |
| Hazard Symbols |
Xi:Irritant
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