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CAS RN: 38239-55-3 | 产品编码: H0955
(E)-4-Hydroxychalcone
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技术规格
| Appearance | Light yellow to Amber to Dark green powder to crystal |
| Purity(HPLC) | min. 97.0 area% |
| Purity(Neutralization titration) | min. 97.0 % |
| Melting point | 183.0 to 187.0 °C |
| NMR | confirm to structure |
物性（参考值）
| 熔点 | 185 °C |
GHS
| 象形图 |
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| 信号词 | Warning |
| 危险性说明 | H315 : Causes skin irritation. H319 : Causes serious eye irritation. H411 : Toxic to aquatic life with long lasting effects. |
| 防范说明 | P501 : Dispose of contents/ container to an approved waste disposal plant. P273 : Avoid release to the environment. P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. P391 : Collect spillage. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P362 + P364 : Take off contaminated clothing and wash it before reuse. P332 + P313 : If skin irritation occurs: Get medical advice/ attention. |
相关法规
| RTECS# | UD1675000 |
运输信息
| UN编号 | UN3077 |
| 类别 | 9 |
| 包装类别 | III |
| HS编码* | 2914.50-000 |
参考文献