成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

2,6-????-4-?????

2,6-????-4-?????
2,6-????-4-????? ??? ???
?? ??:
99-28-5
???:
2,6-????-4-?????
???(??):
2,6-????-4-?????
???:
2,6-Dibromo-4-nitrophenol
???(??):
2,6-Dibromo-4-nit;2,6-DibroMo-4-nitrop;2,6-Dibromo-4-mitrophenol;2,6-DIBROMO-4-NITROPHENOL;4-Nitro-2,6-dibromophenol;2,6-dibromo-4-nitro-pheno;Benzbromarone Impurity 16;Dibromo-4-nitrophenol, 2,6-;Phenol, 2,6-dibromo-4-nitro-;2,6-dibromo-4-nitrophenolate
CBNumber:
CB0706661
???:
C6H3Br2NO3
??? ??:
296.9
MOL ??:
99-28-5.mol

2,6-????-4-????? ??

???
145 °C (dec.)(lit.)
?? ?
297.8±40.0 °C(Predicted)
??
2.3436 (rough estimate)
???
1.6220 (estimate)
?? ??
2-8°C(protect from light)
??? ??
powder to crystal
?? ?? (pKa)
3.67±0.44(Predicted)
??
White to Orange to Green
BRN
1245050
InChIKey
WBHYZUAQCSHXCT-UHFFFAOYSA-N
CAS ??????
99-28-5(CAS DataBase Reference)
NIST
2,6-Dibromo-4-nitrophenol(99-28-5)
EPA
2,6-Dibromo-4-nitrophenol (99-28-5)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xn,C
?? ???? ?? 20/21/22-36/37/38
????? 26-36-37
WGK ?? 3
RTECS ?? SK8025000
TSCA Yes
HS ?? 29089990
????(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
H401 ????? ??? ?? ????? ?? - ?? ?? 2 P273, P501
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P270 ? ??? ??? ??? ???, ???? ???? ???.
P271 ?? ?? ??? ? ?? ???? ?????.
P273 ???? ???? ???.
P280 ????/???/???/?????? ?????.
P304+P340 ???? ??? ??? ?? ??? ??? ???? ?? ??? ??? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
P405 ???? ?????.
P501 ...? ??? / ??? ?? ???.
NFPA 704
0
2 0

2,6-????-4-????? C??? ??, ??, ??

??? ??

yellow crystalline powder

Purification Methods

Crystallise the phenol from aqueous EtOH, 50% aqueous AcOH (m 144-145o, dec varies with rate of heating). Dry it in an oven at 40-60o or in vacuo over NaOH. [Hartman & Dickey Org Synth Coll Vol II 173 1943, Beilstein 6 H 246, 6 I 123, 6 II 234, 6 III 849, 6 IV 1366.]

2,6-????-4-????? ?? ?? ? ???

???

p-?????

?? ??

4-???-2,6-????? 1,3-????-2-???-5-?????

2,6-????-4-????? ?? ??

???( 193)?? ??
??? ?? ??? ?? ?? ? ??
Capot Chemical Co.,Ltd. 		+86-（0）57185586718 +86-13336195806
 sales@capot.com China 29791 60
Wuhan Chemwish Technology Co., Ltd 		027-67849912
sales@chemwish.com CHINA 10821 58
CONIER CHEM AND PHARMA LIMITED 		+8618523575427
 sales@conier.com China 49374 58
Fuxin Pharmaceutical 		+86-021-021-50872116 +8613122107989
 contact@fuxinpharm.com China 10032 58
SIMAGCHEM CORP 		+86-13806087780
 sale@simagchem.com China 17365 58
Career Henan Chemica Co 		+86-0371-86658258 +8613203830695
 laboratory@coreychem.com China 30241 58
Hefei TNJ Chemical Industry Co.,Ltd. 		+86-0551-65418671 +8618949823763
 sales@tnjchem.com China 34553 58
Win-Win chemical CO., Limited 		+86-0086-577-64498589 +86-15355981851
 sales@win-winchemical.com China 14350 58
Finetech Industry Limited 		+86-27-87465837 +8618971612321
 info@finetechnology-ind.com China 9640 58
Hefei Hirisun Pharmatech Co., Ltd 		+8615056975894
 shawn@hirisunpharm.com CHINA 9911 58

2,6-????-4-????? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved