| CAS No.: | 1843-05-6 |
|---|---|
| Formula: | C21h26o3 |
| EINECS: | 217-421-2 |
| Appearance: | Powder |
| Usage: | UV-531 |
| Color: | Yellow |
| Customization: |
|---|
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Audited Supplier CAS 1843-05-6 Chimarsorb 81 for Ultraviolet Light Absorber Octabenzone
| Octabenzone Basic information | |
| Product Name: | Octabenzone |
| CAS: | 1843-05-6 |
| MF: | C21H26O3 |
| MW: | 326.43 |
| EINECS: | 217-421-2 |
| Octabenzone Chemical Properties | |
| Melting point | 47-49 °C(lit.) |
| Boiling point | 424.46°C (rough estimate) |
| density | 1.160g/cm3 |
| refractive index | 1.6000 (estimate) |
| Fp | 102ºC |
| storage temp. | Sealed in dry,Room Temperature |
| pka | 7.59±0.35(Predicted) |
| Specific Gravity | 1.16 |
| Merck | 146,742 |
| BRN | 1,915,198 |
| Item | Index and specification | Result |
| Appearance | Canary power | Reach standard |
| Volatile | ≤0.5% | 0.3 |
| Light pass rate | 450nm≥90% | 90.05 |
| 500nm≥95% | 95.1 | |
| Melting point | ≥47-62ºC | 48.1ºC |
| Ash amount | ≤0.1% | 0.09 |
| purity | ≥99 | 99.42 |
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Audited Supplier 
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