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81-64-1
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81-64-1
| 1,4-Dihydroxyanthraquinone Basic information | |
| Product Name: | 1,4-Dihydroxyanthraquinone |
| CAS: | 81-64-1 |
| MF: | C14H8O4 |
| MW: | 240.21 |
| EINECS: | 201-368-7 |
| 1,4-Dihydroxyanthraquinone Chemical Properties | |
| Melting point | 198-199 °C(lit.) |
| Boiling point | 450 °C |
| density | 1.3032 (rough estimate) |
| vapor density | 8.3 (vs air) |
| vapor pressure | 1 mm Hg ( 196.7 °C) |
| refractive index | 1.5430 (estimate) |
| Fp | 222 °C |
| storage temp. | Store below +30°C. |
| solubility | <1g/l |
| form | powder |
| pka | pK (18°) 9.51 |
| Colour Index | 58,050 |
| color | red-brown |
| Water Solubility | <1 g/L (20 ºC) |
| Merck | 148,064 |
| BRN | 1914036 |
| InChIKey | GUEIZVNYDFNHJU-UHFFFAOYSA-N |
| CAS DataBase Reference | 81-64-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 9,10-Anthracenedione, 1,4-dihydroxy-(81-64-1) |
| EPA Substance Registry System | Quinizarin (81-64-1) |
COA
| Appearance | Bright orange |
| Moisture | ≤0.10% |
| Melting point | ≥198°C |
| Te intolerance | ≤0.3% |
| Content | ≥99% |
| PH | 5-7 |
| 1,4-Dihydroxyanthraquinone Basic information | |
| Product Name: | 1,4-Dihydroxyanthraquinone |
| CAS: | 81-64-1 |
| MF: | C14H8O4 |
| MW: | 240.21 |
| EINECS: | 201-368-7 |
| 1,4-Dihydroxyanthraquinone Chemical Properties | |
| Melting point | 198-199 °C(lit.) |
| Boiling point | 450 °C |
| density | 1.3032 (rough estimate) |
| vapor density | 8.3 (vs air) |
| vapor pressure | 1 mm Hg ( 196.7 °C) |
| refractive index | 1.5430 (estimate) |
| Fp | 222 °C |
| storage temp. | Store below +30°C. |
| solubility | <1g/l |
| form | powder |
| pka | pK (18°) 9.51 |
| Colour Index | 58,050 |
| color | red-brown |
| Water Solubility | <1 g/L (20 ºC) |
| Merck | 148,064 |
| BRN | 1914036 |
| InChIKey | GUEIZVNYDFNHJU-UHFFFAOYSA-N |
| CAS DataBase Reference | 81-64-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 9,10-Anthracenedione, 1,4-dihydroxy-(81-64-1) |
| EPA Substance Registry System | Quinizarin (81-64-1) |
COA
| Appearance | Bright orange |
| Moisture | ≤0.10% |
| Melting point | ≥198°C |
| Te intolerance | ≤0.3% |
| Content | ≥99% |
| PH | 5-7 |
