三氟甲烷磺酸镝(III)
Dysprosium(III) trifluoromethanesulfonate
产品价格
| 产品编号 | 品牌 | 包装单位 | 单价(元) | 现货 |
| 3045021 | Alfa Aesar | 5g | 1099 | 请咨询 |
| 3045021 | Alfa Aesar | 25g | 3250 | 请咨询 |
| 3080515 | Sigma-Aldrich | 5 G | 1710 | 请咨询 |
| 3546993 | Strem | 5g | 752 | 请咨询 |
| 3546993 | Strem | 25g | 2870 | 请咨询 |
| 4007876 | J&K | 5G | 699 | 请咨询 |
| 4007876 | J&K | 25G | 2240 | 请咨询 |
结构式
 |
基本信息
| 应用 | Dysprosium(III) trifluoromethanesulfonate is a water-tolerant Lewis acid used in the Aldol reaction of silyl enol ethers with aldehydes. This is an effective catalyst for electrophilic substitution reactions of indoles with imines. Also used as catalyst for Aza-Piancatelli rearrangement, Friedel-Crafts alkylation, ring-opening polymerization reactions, microwave-assisted Kabachnik-Fields condensation, cycloaddition reactions (Lewis-acid catalyst), fries rearrangement and enantioselective glyoxalate-ene reactions. |
| 备注 | Hygroscopic. store away from water/moisture. Store in cool. Keep container tightly closed in a dry and well-ventilated place. Store away from oxidizing agent. |
| MDL | MFCD00209583 |
| 分子式 | C3DyF9O9S3 |
| 分子量 | 609.69 |
| 灵敏度 | Hygroscopic. Ambient temperatures. |
| 形态 | Powder |
| 溶解性 | Soluble in water. |
| 包装组 | III |
| 危险类别 | 36/37/38 Irritating to eyes, respiratory system and skin. |
安全信息
| 危险等级 | 8 |
| 安全等级 | 26-37 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| TSCA | 否 |
GHS危害和防范说明
| GHS符号 |  |
| Hazard Statements | H315-H319-H335 Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation. |
| Precautionary Statements | P261-P280a-P305+P351+P338-P304+P340-P405-P501a Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations. |