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¾p 醛åQŒåˆ¿U?/span>2-呋喃甲醛åQŒä¸Ž¾p–醛是åŒä¸€ç‰©è´¨ã€‚å…¶å¦å为Î?呋喃甲醛åQŒæ˜¯å‘‹å–ƒ2ä½ä¸Šçš„氢原åè¢?/span>醛基å–代的è¡ç”Ÿç‰©ã€‚它最åˆä»Ž¾c³ç³ 与稀酸共çƒåˆ¶å¾—,所以å«åšç³ é†›ã€‚ç³ é†›æ˜¯ç”±æˆŠèšç³–在酸的作用下水解生æˆæˆŠç³–åQŒå†ç”±æˆŠ¾p–脱水环化而æˆã€‚生产的主è¦åŽŸæ–™ä¸ºçŽ‰¾cŒ™Š¯½{‰å†œå‰¯äñ”å“。åˆæˆæ–¹æ³•æœ‰å¤šç§ã€‚ç³ é†›æ˜¯å‘‹å–ƒçŽ¯ç³»æœ€é‡è¦çš„è¡ç”Ÿç‰©åQŒåŒ–å¦æ€§è´¨‹zÀL³¼åQŒå¯ä»¥é€šè¿‡æ°§åŒ–ã€ç¾ƒåˆç‰å应制å–众多的è¡ç”Ÿç‰©åQŒè¢«òq¿æ³›åº”用于åˆæˆå¡‘æ–™ã€åŒ»è¯ã€å†œè¯ç‰å·¥ä¸šã€?/span>
ä¸æ–‡å称 | ¾p 醛 |
英文å称 | 2-Furaldehyde |
ä¸æ–‡åˆ«å | ‚Î-呋喃甲醛;呋喃甲醛;2-呋喃甲醛 |
CAS RN | 98-01-1 |
EINECSå?/span> | 202-627-7 |
åˆ?å?å¼?/span> | C5H4O2 |
åˆ?å?é‡?/span> | 96.08 |
å±é™©å“æ ‡å¿?/span> | T:Toxic |
é£Žé™©æœ¯è¯ | R21; R23/25; R36/37; R40; |
å®‰å…¨æœ¯è¯ | S1/2; S26; S36/37/39; S45; |
物化性质 | 性状 æ— è‰²é€æ˜Žæ²¹çŠ¶æ¶²ä½“åQŒæœ‰¾cÖM¼¼è‹¯ç”²é†›çš„ç‰ÒŽ(gu¨©)®Šæ°”味。暴露在光和½Iºæ°”ä¸é¢œè‰²å¾ˆå¿«å˜ä¸ºçº¢‹‚•è‰²ã€‚易与蒸气一åŒæŒ¥å‘ã€?/span> |
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5ã€?/span>¾p 醛在强¼„׃½œç”¨ä¸‹å‘生康尼查罗å应åQŒç”Ÿæˆç³ 醇劾p é…¸é’ ã€?/span>
6ã€?/span>¾p 醛å¯åœ¨è„‚肪酸ç›æˆ–有机碱的作用下å‘生æŸç´å应åQŒåŒé…”R…¾~©åˆç”Ÿæˆå‘‹å–ƒä¸™çƒ¯é…¸ã€?/span>
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