一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

5-??????

5-??????
5-?????? ??? ???
?? ??:
2973-76-4
???:
5-??????
???(??):
5-??????
???:
5-Bromovanillin
???(??):
3-BROMO-4-HYDROXY-5-METHOXYBENZALDEHYDE;Bromovanillin;5-Bromovanilin;5-BROMO-4-HYDROXY-3-METHOXYBENZALDEHYDE;AKOS B004161;5-Bromvanillin;5-BROMOVANILLIN;5-BroMovanilline;5-Bromovanilllin;AKOS BBS-00003240
CBNumber:
CB1132928
???:
C8H7BrO3
??? ??:
231.04
MOL ??:
2973-76-4.mol
MSDS ??:
SDS

5-?????? ??

???
164-166 °C(lit.)
?? ?
289.5±35.0 °C(Predicted)
??
1.6494 (rough estimate)
???
1.4730 (estimate)
?? ??
Keep in dark place,Inert atmosphere,Room temperature
???
DMSO(?? ???), ???(?? ???)
??? ??
??
??? ??
??? ??
?? ?? (pKa)
6.26±0.23(Predicted)
??
??? ????? ??? ?????
??
Air & Light Sensitive
BRN
2049761
InChI
1S/C8H7BrO3/c1-12-7-3-5(4-10)2-6(9)8(7)11/h2-4,11H,1H3
InChIKey
KLSHZDPXXKAHIJ-UHFFFAOYSA-N
SMILES
COc1cc(C=O)cc(Br)c1O
CAS ??????
2973-76-4(CAS DataBase Reference)
EPA
Benzaldehyde, 3-bromo-4-hydroxy-5-methoxy- (2973-76-4)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 26-37/39-36/37/39-22-24/25-20/21
WGK ?? 3
TSCA TSCA listed
?? ?? IRRITANT
HS ?? 29130000
???? ??? 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
H335 ?? ???? ??? ? ?? ?? ???? ?? - 1? ??;???? ?? ?? 3 ??
??????:
P261 ??·?·??·???·??·...·????? ??? ????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P271 ?? ?? ??? ? ?? ???? ?????.
P280 ????/???/???/?????? ?????.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
NFPA 704
0
2 0

5-?????? MSDS


3-Bromo-4-hydroxy-5-methoxybenzaldehyde

5-?????? C??? ??, ??, ??

??? ??

light brown crystalline powder

??

5-Bromovanillin was used to enrich the metabolically stable anaerobic cultures to study dechlorination of chlorocatechols. It was also used to prepare 2, 5-dihydroxy-4-methoxy-6-bromobenzaldehyde and 5-bromovanillate.

?? ??

5-Bromovanillin is obtained by bromination of vanillin.

Synthesis Reference(s)

Synthetic Communications, 25, p. 1433, 1995 DOI: 10.1080/00397919508011755

5-?????? ?? ?? ? ???

???

???

?? ??


5-?????? ?? ??

???( 353)?? ??
??? ?? ??? ?? ?? ? ??
Hebei Chuanghai Biotechnology Co., Ltd
+86-15350571055
Sibel@chuanghaibio.com China 8737 58
Henan Bao Enluo International TradeCo.,LTD
+86-17331933971
deasea125996@gmail.com China 2452 58
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512
info@tianfuchem.com China 21531 55
career henan chemical co
+86-0371-86658258
sales@coreychem.com China 29766 58
HaBo Hong Kong Co., Limited.
+86-25-18512596065
info@habotech.com CHINA 931 58
Alchem Pharmtech,Inc.
8485655694
sales@alchempharmtech.com United States 63645 58
Shaanxi Dideu Medichem Co. Ltd
+86-29-87569262 +86-15003564040
1056@dideu.com China 3968 58
SIMAGCHEM CORP
+86-5922680277 +86-13806087780
sale@simagchem.com China 17339 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +86-189 4982 3763
sales@tnjchem.com China 34526 58
Dayang Chem (Hangzhou) Co.,Ltd.
+86-0571-88938639 17705817739
info@dycnchem.com China 52693 58

5-?????? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved
陆丰市| 钟祥市| 图木舒克市| 平果县| 桦川县| 泸定县| 靖西县| 体育| 综艺| 周至县| 额济纳旗| 常熟市| 万年县| 会同县| 龙州县| 修文县| 皮山县| 浙江省| 教育| 甘孜县| 同仁县| 固始县| 鄄城县| 大名县| 南漳县| 烟台市| 离岛区| 永修县| 米林县| 抚顺市| 夹江县| 吉安县| 景宁| 尖扎县| 嵊泗县| 成都市| 阜新| 乐业县| 桑日县| 伊金霍洛旗| 双辽市|