24СʱÈÈÃŰæ¿éÅÅÐаñ    

²é¿´: 1613  |  »Ø¸´: 4

yiren1983

Òø³æ (ÕýʽдÊÖ)

[ÇóÖú] ÈçºÎ²éÒ»ÖÖÎïÖÊÊÇ·ñÄÜÓëË®Ðγɹ²·ÐÎï ÒÑÓÐ3È˲ÎÓë

³æÓÑÃÇ:
  ÈçºÎ²éÒ»ÖÖÎïÖÊÄÜ·ñÓëË®Ðγɹ²·ÐÎï,ÀýÈç¶þÒÒÏ©Èý°·,ÓëË®»¥ÈÜ,·ÐµãÊÇ207¶È,лл
»Ø¸´´ËÂ¥
ÓÐÖ¾Õßʾ¹³É
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

¶ùʱµÄ·çóÝÏß

¾èÖú¹ó±ö (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
yiren1983: ½ð±Ò+2, лл 2017-09-20 13:09:53
±ùµã½µÎÂ: ½ð±Ò+1, лл»ØÌû½»Á÷£¬»¶Ó­³£À´ÎÞ»úÎﻯ°æ¿é¡£ 2017-09-22 09:15:55
SRNºÅ£º  14577  
»¯ºÏÎïÃû³Æ£º  N1-(2-aminoethyl)ethane-1,2-diamine
N1-(2-°±»ùÒÒ»ù)ÒÒÍé-1,2-¶þ°·  
·Ö×Óʽ£º  C4H13N3  
ÎïÀíÐÎ̬£º  Viscous liq. with an ammoniacal odour. [ref 1]
Liquid. [ref 4]

È۵㣺  Mp -39 ¡æ [ref 1]
-38¨H/-39¡æ/234K. [ref 4]
-35¡æ [ref 2]
-39¡æ [ref 3]

·Ðµã£º  Bp 208 ¡æ. Bp 3 82-83 ¡æ. [ref 1]
405¨H/207¡æ/480K. [ref 4]
200¡«205¡æ [ref 2]
207¡æ [ref 3]

ÉÁµã£º  208.F/98.C (oc). [ref 4]
202¨H(94¡æ) [ref 2]
94¡æ [ref 3]

ÕÛÉäÂÊ£º  n20D1.4826 [ref 2]

ÕôÆûѹ£º  0.03/20¡æ [ref 3]

ÈܽâÐÔ£º  ÈÜÓÚË®¡¢ÒÒ´¼£¬²»ÈÜÓÚÒÒÃÑ¡£ [ref 3]

×Ôȼζȣº  676.F/358.C/631K. [ref 4]

Ïà¶ÔÕôÆûÃܶȣº  3.48 [ref 4, 3]

Àë½â³£Êý£º  pKa1 10.1; pKa2 9.1; pKa3 3.9 (25 ¡æ). [ref 1]

¶¾ÐÔΣº¦£º  Corrosive and irritating to skin, eyes and respiratory tract. Skin and pulmonary sensitiser. LD50 (rat, orl) 1080 mg/kg. LD50 (rbt, skn) 1090 mg/kg. Fl. p. 98 ¡æ (oc), autoignition temp. 358 ¡æ. OES: long-term 1 ppm (Sk). [ref 1]

Êý¾Ý²Î¿¼£º  [ref 1] ÌìÈ»²úÎïºÍÒ©ÎïÊý¾Ý¿â
[ref 2] ¾«Ï¸»¯¹¤²úÆ·Êý¾Ý¿â
[ref 3] »¯Ñ§Æ·°²È«¼¼Êõ˵Ã÷Êé(MSDS)Êý¾Ý¿â
[ref 4] ΣÏÕ»¯Ñ§Æ·Êý¾Ý¿â

꿅᣼http://202.127.145.134/scdb/default.asp
Ï£ÍûÄܰﵽÄã¡£
Never too old to learn.
2Â¥2017-09-20 11:39:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mobirthte

ר¼Ò¹ËÎÊ (ÖøÃûдÊÖ)

×ÝʹÉñÃ÷ÔÚ´Ë£¬ÎÒÒàҪʤËû°ë×Ó

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
±ùµã½µÎÂ: ½ð±Ò+1, лл»ØÌû½»Á÷£¬»¶Ó­³£À´ÎÞ»úÎﻯ°æ¿é¡£ 2017-09-22 09:15:42
yiren1983(±ùµã½µÎ´ú·¢): ½ð±Ò+2 2017-09-22 09:15:46
yiren1983: ½ð±Ò+5 2017-09-25 14:02:08
Ëùν¹²·ÐÎËùÖ¸µÄÊǵ±Á½ÖÖ»ò¶àÖÖ²»Í¬³É·ÖµÄ¾ùÏàÈÜÒº£¬ÒÔÒ»¸öÌØ¶¨µÄ±ÈÀý»ìºÏʱ£¬Ôڹ̶¨µÄѹÁ¦Ï£¬½ö¾ßÓÐÒ»¸ö·Ðµã£¬´ËʱÕâ¸ö»ìºÏÎï¼´³Æ×ö¹²·ÐÎï¡£
Ò»°ã´æÔÚµÄÌõ¼þ¿ÉÒÀ¾ÝÀ­ÎÚ¶û¶¨Âɺ͵À¶û¶Ù¶¨ÂÉÍÆµÃ¡£

The condition of existence follows from the equality of pressures in vapour-liquid equilibrium using Raoult and Dalton laws for real mixtures and imposing the equality of compositions in liquid and vapour phases.
The condition relates activity coefficients in liquid phase to total pressure and the vapour pressures of pure components.
È«×Ô¶¯ÇúÂʹâËÙ·É´¬£¬È«ÓîÖæÏÞÁ¿1̨£¬¿´¿´Ò²²»¿÷£¨ETOÐû£©
3Â¥2017-09-20 13:48:19
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lantian001

°æÖ÷ (ÖªÃû×÷¼Ò)

ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

Ò»°ã³£¼ûµÄ»áÔÚÈܼÁÊÖ²áÓС£²»³£¼ûµÄ£¬¾ÍÐèÒª×Ô¼ºÈ¥²â»òÕß²éÔÄÎÄÏ×ÁË

·¢×ÔСľ³æAndroid¿Í»§¶Ë
4Â¥2017-10-24 23:11:21
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
5Â¥2021-02-17 21:34:37
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ yiren1983 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[»ù½ðÉêÇë] Èç¹û´Ë¿ÌÄãÕýÔÚΪ¹ú»ù¸Ðµ½½¹ÂÇ£¬²»·ÁÀ´ÌýÌýÕâÊס¶»ù½ðÖ®Íâ¡· +3 scalable 2026-08-24 3/150 2026-08-24 15:02 by arzu_hma
[»ù½ðÉêÇë] ¹À¼ÆÊÇÖÜËÄ +4 archvillain 2026-08-18 4/200 2026-08-24 13:53 by zzuzxg
[»ù½ðÉêÇë] ½¨Òé»ù½ð·¢²¼Ìáǰ¸ø³öÃ÷È·µÄʱ¼äµã +12 kulium 2026-08-21 15/750 2026-08-24 12:02 by iaeyuan
[»ù½ðÉêÇë] ·¶½øÖоÙÒ»ÎĵÄÖÐÐÄ˼Ïë +6 Ñ׻ƹóëÐ 2026-08-22 7/350 2026-08-24 11:58 by 6543yes
[»ù½ðÉêÇë] ÅóÓÑȦ¿´µ½µÄ +7 wangzilk 2026-08-18 9/450 2026-08-24 10:50 by cmrandy
[»ù½ðÉêÇë] ÈÃÎÒÖÐÒ»¸öÃæÉϰɣ¡ +13 ´óƼ1987 2026-08-20 16/800 2026-08-24 10:23 by ̫ɵÁË
[»ù½ðÉêÇë] ·Å°ñǰµÄ²»µ­¶¨ 20+4 snowwithsea 2026-08-19 17/850 2026-08-24 10:20 by echo8914667
[»ù½ðÉêÇë] ¿ÆÑй¶ùÌ«ÄÑÁË +18 ÎÒ4´ó°×²Ë 2026-08-20 19/950 2026-08-24 09:47 by ¿­¶÷¹ãÊ¢´ß»¯·ÖÎ
[»ù½ðÉêÇë] Ã÷ÌìÓ¦¸Ã¿É²éÁË£¡£¿ +4 chengyan1220 2026-08-23 4/200 2026-08-24 08:47 by gloomy6159
[»ù½ðÉêÇë] ½ñÌì·Å°ñÂ𣿠+15 ²¼²¼ºÍÒ»¶þ 2026-08-19 16/800 2026-08-23 09:55 by ÕÅ´ºÉú
[»ù½ðÉêÇë] 93BebMhtakhǰºó11λ¿ªÍ·¶¼ÊÇ´óд +7 ÇÒÌý»¢Ð¥ 2026-08-17 8/400 2026-08-22 21:55 by ҽѧÀÏÄк¢
[»ù½ðÉêÇë] Ö»ÓÐÿÄêÕâÖÖʱºòÀ´¹ä¹äСľ³æ +24 yaoyewhu2008 2026-08-20 26/1300 2026-08-22 17:43 by kammury
[»ù½ðÉêÇë] filecode£¬4¸öjtjcÁË +13 ziyangfang 2026-08-19 16/800 2026-08-22 17:08 by WH3796
[»ù½ðÉêÇë] ÈËÆø²»ÐÐÁË +8 fansofjerry 2026-08-21 8/400 2026-08-22 16:30 by zyqchem
[»ù½ðÉêÇë] ʱ¼ä´Á½ñÌ죬20ºÅ±äÁË +5 archvillain 2026-08-20 5/250 2026-08-22 06:12 by hui_daxiao
[»ù½ðÉêÇë] ʱ¼ä´ÁÓÖ±äÁË +13 wuchongjun 2026-08-20 19/950 2026-08-21 17:21 by ×Ïɼ´¼
[»ù½ðÉêÇë] Ó¦¸ÃÊÇÏÂÖÜÈý26ÈÕ¹«²¼Á˰ɣ¿ +4 ¹þ¹þ¸ò£¿ 2026-08-21 4/200 2026-08-21 10:58 by Vivilian
[»ù½ðÉêÇë] ½ñÌì·Å°ñûϷÁ衃 +9 yuleib84 2026-08-19 11/550 2026-08-21 10:06 by gltch
[»ù½ðÉêÇë] »ù½ð°¡»ù½ð +4 longfie172 2026-08-20 4/200 2026-08-21 08:58 by mark mao
[»ù½ðÉêÇë] Ã÷Ìì·Å°ñ£¿ +5 Shxjjxjkx 2026-08-18 5/250 2026-08-18 18:14 by -´ó´ó´ó´ó´ó-
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û