CAS Number:520-45-6 »ù±¾ÐÅÏ¢ | |
ÖÐÎÄÃû:52864 | ÍÑÇâÒÒËá; 3-ÒÒõ£»ù-6-¼×»ù-2H-ßÁà«-2,4(3H)¶þͪ; ÍÑÇâ´×Ëá |
Ó¢ÎÄÃû:33040 | Dehydroacetic acid |
±ðÃû: | 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one; 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid delta-lactone; DHA |
·Ö×ӽṹ: |
|
·Ö×Óʽ: | C8H8O4 |
·Ö×ÓÁ¿: | 168.15 |
520-45-6 | |
EINECSµÇ¼ºÅ: | 208-293-9 |
ÎïÀí»¯Ñ§ÐÔÖÊ | |
ÈÛµã: | 109-112ºC |
·Ðµã: | 270ºC |
ÐÔÖÊÃèÊö: | ÎÞÉ«½á¾§£¬ÎÞ³ô£¬ÎÞζ¡£ÈÛµã109-111¡æ£¬·Ðµã269.9¡æ132-133¡æ£¨0.67kPa£©¡£Èܽâ¶È£¨W/W£¬25¡æ£©£º±ûͪ22£¬±½18£¬¼×´¼5£¬ËÄÂÈ»¯Ì¼3£¬ÒÒ´¼3£¬Ë®<0.1¡£ |
°²È«ÐÅÏ¢ | |
ΣÏÕÆ·±êÖ¾: | Xn£ºÓк¦ÎïÖÊ |
ΣÏÕÀà±ðÂë: | R22£ºÍÌÑÊÓк¦¡£ |
ÆäËûÐÅÏ¢ | |
²úÆ·Ó¦ÓÃ: | ÍÑÇâÒÒËáÊÇÓлúºÏ³ÉÖмäÌå¡¢ÔöÈͼÁ£¬Ò²ÊǹãÆ×ÐÔµÄʳƷ·À¸¯¼Á¡£×Ô1940Äê·¢ÏÖÆäÓп¹¾úÐÔÒÔÀ´£¬ÏȺóµÃµ½Ðí¶à¹ú¼ÒµÄÖØÊÓ£¬²¢Â½ÐøµÃµ½ÓÃÓÚʳƷ·À¸¯µÄÔÊÐí¡£ÍÑÇâÒÒËá×÷ΪʳƷÌí¼Ó¼Á£¬ÔÊÐíÓÃÓÚ¸ÉÀÒ¡¢»ÆÓÍ¡¢ÈËÔìÄÌÓÍ¡¢ÇåÁ¹ÒûÁÏ¡¢·¢½ÍÈé¼°ÈéËá¾úµÄÒûÁÏ¡¢¶¹½´¡¢ÏÚÀàµÈ¡£×÷ΪʳƷÌí¼Ó¼ÁÒ»°ãʹÓÃÍÑÇâÒÒËáÄÆ¡£¸ÃÆ·»¹ÓÃÓÚÈÕÓû¯×±Æ·¡¢ÏËάÖÆÆ·¡¢Ò½Ò©£¨ÈçÑ¢Ö¢µÄÖÎÁÆ£©£¬ÒÔ¼°³Ý¿Æ²ÄÁϵķÀ¸¯¡£ÿ |
Éú²ú·½·¨¼°ÆäËû: | ³£Óõķ½·¨ÊÇÒÒõ£ÒÒËáÒÒõ¥ÍÑ´¼ËõºÏ·¨ºÍË«ÒÒÏ©ËõºÏ·¨¡£Ë«ÒÒϩͪ·¨ºÏ³É¹¤ÒÕ¾ßÓгɱ¾µÍ£¬µÃÂʸߵÄÓŵ㡣 |
Ïà¹Ø»¯Ñ§Æ·ÐÅÏ¢ | |
ÂÝÄÚõ¥ ´×ËáÆÃÄáËÉÁú ÈýÑÇÒÒ»ùÁò´úÁ×õ£°· ÑÎËá±½º£Ë÷ 2-äå-2-Ïõ»ù-1,3-±û´¼ »·ÁÁ°±Ëá άÀÅÁÃ× Çàù°· µÐ°Ù³æ ÀûÄÎÔд¼ ÒÒŵͪ ·úßßऴ¼ L-°ëë×°±ËáÑÎËáÑÎ(ÎÞË®Îï) L-°ëë×°±Ëá ɽÄÎ·Ó ¶þÇâ»Æͪ߰ µØ°Â˹Ã÷ ÜÙÞ£ËØ ÇÛ²ËËØ ÍÑÇâÒÒËá 3-ôÇ»ù±½²¢àç·Ô ÃÀÐÛ´¼ ÃÀÐÛŵÁú ÇüËûÐÛͪ±ûËáõ¥ µ¨¹Ì´¼¶¡Ëáõ¥ ÐÛÏ©¶þ´¼ ÐÛŵÁú ³Ã×ŵ ´ó»ÆËؼ×ÃÑ éÎƤÜÕ | |