天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

2,5-?????-1,4-???????????

2,5-?????-1,4-???????????
2,5-?????-1,4-??????????? ??? ???
?? ??:
1951-36-6
???:
2,5-?????-1,4-???????????
???(??):
2,5-?????-1,4-???????????
???:
2,5-Dihydroxyterephthalaldehyde
???(??):
2,5-dihydroxyterephthaldeyde;2,5-Diformylbenzene-1,4-diol;2, 5-dihydroxyparabenzaldehyde;2,5-dihydroxyterephthalaldehyde;2,5-Dihydroxy-benzene-1,4-dicarbaldehyde;2,5-Dihydroxy-1,4-benzenedicarboxaldehyde;2,5-dihydroxybenzene-1,4-dicarboxaldehyde;1,4-Benzenedicarboxaldehyde, 2,5-dihydroxy
CBNumber:
CB82682381
???:
C8H6O4
??? ??:
166.13
MOL ??:
1951-36-6.mol

2,5-?????-1,4-??????????? ??

???
262℃
?? ?
297.6±40.0 °C(Predicted)
??
1.515±0.06 g/cm3(Predicted)
?? ??
under inert gas (nitrogen or Argon) at 2-8°C
?? ?? (pKa)
7.88±0.23(Predicted)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
HS ?? 2912210000
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? GHS hazard pictograms P264, P270, P301+P312, P330, P501
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ?? GHS hazard pictograms
??????:
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P270 ? ??? ??? ??? ???, ???? ???? ???.
P280 ????/???/???/?????? ?????.
P301+P312 ??? ???? ??? ????(??)? ??? ????.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P321 (…) ??? ???.
P330 ?? ?????.
P332+P313 ?? ??? ??? ???? ??· ??? ????.
P362 ??? ??? ?? ?? ?? ?????
P501 ...? ??? / ??? ?? ???.

2,5-?????-1,4-??????????? C??? ??, ??, ??

??

1. Synthesis of bis(N-salicylidene-aniline)s BSAN 2. COF applications

2,5-?????-1,4-??????????? ?? ?? ? ???

???

?? ??


2,5-?????-1,4-??????????? ?? ??

???( 120)?? ??
??? ?? ??? ?? ?? ? ??
Shanghai UCHEM Inc.
+862156762820 +86-13564624040
sales@myuchem.com China 7905 58
Springchem New Material Technology Co.,Limited
+86-021-62885108 +8613917661608
info@spring-chem.com China 2068 57
Capot Chemical Co.,Ltd.
+86-(0)57185586718 +86-13336195806
sales@capot.com China 29730 60
Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd.
0431-80514535 13634302652
Extension@chemextension.com CHINA 967 58
Accela ChemBio Inc.
+1-858-6993322
info@accelachem.com United States 19825 58
career henan chemical co
+86-0371-86658258 +8613203830695
factory@coreychem.com China 29808 58
CHEMSOON CO.,LTD.
+8613761723174
sales01@chemsoon.com China 1211 58
Kindchem(Nanjing)Co.,Ltd
+86-025-025-85281586 +8618651653755
sales@kindchem.cn China 1226 58
Shanghai Daeyeon Chemicals Co., Ltd
021-64478606 +8615900664856
daeyeon001@vip.163.com China 2062 58
CD Chemical Group Limited
+8615986615575
info@codchem.com China 20342 58

2,5-?????-1,4-??????????? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved