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CAS RN: 125572-95-4 | 产品编码: C0473
trans-1,2-Cyclohexanediaminetetraacetic Acid Monohydrate
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技术规格
| Appearance | White to Almost white powder to crystaline |
| Purity(Chelometric Titration) | min. 99.0 % |
| Solubility in Sodium hydroxide solution | almost transparency |
| Water | 4.0 to 6.0 % |
| Ignition residue(Sulfate) | max. 0.3 % |
| Heavy metals(as Pb) | max. 0.001 % |
| Iron | max. 0.001 % |
| NMR | confirm to structure |
物性（参考值）
| 熔点 | 216 °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. |
| 防范说明 | P264 : Wash skin thoroughly after handling. P280 : Wear protective gloves/ eye protection/ face protection. P302 + P352 : IF ON SKIN: Wash with plenty of water. 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
运输信息
| HS编码* | 2922.49-000 |
应用
A Chelating Agent having High Sequestration Capacity
trans-1,2-cyclohexanediaminetetraacetic acid monohydrate (CyDTA)(1) has been widely used in industrial fields due to its higher chelating ability than ethylenediaminetetraacetic acid (EDTA).
References
- H. Kroll, M. Gordon, Ann. N. Y. Acad. Sci. 1960, 88, 341.
- M. A. Anderson, F. M. M. Morel, Limnol. Oceanogr. 1982, 27, 789.
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