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

2,2-DIMETHYLGLUTARIC ANHYDRIDE

2,2-DIMETHYLGLUTARIC ANHYDRIDE ??? ???
?? ??:
2938-48-9
???:
2,2-DIMETHYLGLUTARIC ANHYDRIDE
???(??):
3,3-dimethyloxane-2,6-dione;2,2-DIMETHYLGLUTARIC ANHYDRIDE;2,2-DIMETHYLGLUTARIC ANHYDRIDE 98%;2,2-Dimethylglutaric anhydride,98%;2,2-Dimethylglutaric Anhydride >2,2-dimethylglutaric acid anhydride;3,3-dimethyltetrahydropyran-2,6-dione;ALPHA,ALPHA-DIMETHYLGLUTARIC ANHYDRIDE;3,3-dimethyltetrahydro-2H-pyran-2,6-dione;3,3-Dimethyldihydro-2H-pyran-2,6(3H)-dione
CBNumber:
CB9137419
???:
C7H10O3
??? ??:
142.15
MOL ??:
2938-48-9.mol

2,2-DIMETHYLGLUTARIC ANHYDRIDE ??

???
34-38 °C (lit.)
?? ?
175-180 °C/60 mmHg (lit.)
??
1.1643 (rough estimate)
???
1.4730 (estimate)
???
>230 °F
??? ??
powder to lump
??
???? ?? ??
??
Moisture Sensitive
BRN
117056
CAS ??????
2938-48-9(CAS DataBase Reference)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 26-37/39
WGK ?? 3
HS ?? 29171990
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
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
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
NFPA 704
1
2 0

2,2-DIMETHYLGLUTARIC ANHYDRIDE C??? ??, ??, ??

??? ??

white crystals or crystalline powder

2,2-DIMETHYLGLUTARIC ANHYDRIDE ?? ?? ? ???

???

?? ??


2,2-DIMETHYLGLUTARIC ANHYDRIDE ?? ??

???( 106)?? ??
??? ?? ??? ?? ?? ? ??
Shenzhen Nexconn Pharmatechs Ltd
+86-755-89396905 +86-15013857715
admin@nexconn.com China 10311 58
Jinan Carbotang Biotech Co.,Ltd.
+8615866703830
figo.gao@foxmail.com China 8497 58
Accela ChemBio Inc.
+1-858-6993322
info@accelachem.com United States 17777 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427
sales@conier.com China 49374 58
career henan chemical co
+86-0371-86658258 +8613203830695
factory@coreychem.com China 29811 58
Dayang Chem (Hangzhou) Co.,Ltd.
571-88938639 +8617705817739
info@dycnchem.com China 52849 58
Alfa Chemistry

Info@alfa-chemistry.com United States 24072 58
PT CHEM GROUP LIMITED
+86-85511178; +86-85511178;
peter68@ptchemgroup.com China 35425 58
ZHEJIANG JIUZHOU CHEM CO., LTD
+86-0576225566889 +86-13454675544
admin@jiuzhou-chem.com;jamie@jiuzhou-chem.com;alice@jiuzhou-chem.com China 12272 58
GIHI CHEMICALS CO.,LIMITED
+8618058761490
info@gihichemicals.com China 49978 58

2,2-DIMETHYLGLUTARIC ANHYDRIDE ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved