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

????? ?

????? ?
????? ? ??? ???
?? ??:
13061-96-6
???:
????? ?
???(??):
??????;?????
???:
Methylboronic acid
???(??):
METHANDROSTENOLONE;dihydroxy-methyl-borane;CH5BO2;Methyboronic Acid;Methyl boric acid;Methylboranic acid;METHYLBORONIC ACID;METHANEBORONIC ACID;METHYLBORON DIHYDROXIDE;Methylboronic acid ,98%
CBNumber:
CB3373202
???:
CH5BO2
??? ??:
59.86
MOL ??:
13061-96-6.mol

????? ? ??

???
91-94 °C (lit.)
?? ?
141.7±23.0 °C(Predicted)
??
0.965±0.06 g/cm3(Predicted)
?? ??
Inert atmosphere,Store in freezer, under -20°C
???
? ???DMSO, ?
?? ?? (pKa)
9.97±0.43(Predicted)
??? ??
??? ??
??
???? ?????
???
?? ?????.
??
Hygroscopic
BRN
1731087
InChI
InChI=1S/CH5BO2/c1-2(3)4/h3-4H,1H3
InChIKey
KTMKRRPZPWUYKK-UHFFFAOYSA-N
SMILES
CB(O)O
CAS ??????
13061-96-6(CAS DataBase Reference)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 26-36
WGK ?? 3
F ?????? 3-10
?? ?? ?? Irritant/Keep Cold
?? ?? IRRITANT
HS ?? 29319090
???? ??? 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
1
2 0

????? ? C??? ??, ??, ??

??? ??

White to light yellow crystal powde

??

Methylboronic Acid is a methylated derivative of boronic acid, a building block towards various intermediates in suzuki coupling.

????? ? ?? ?? ? ???

???

?? ??


????? ? ?? ??

???( 366)?? ??
??? ?? ??? ?? ?? ? ??
Henan Bao Enluo International TradeCo.,LTD
+86-17331933971
deasea125996@gmail.com China 2472 58
RongNa Biotechnology Co.,Ltd
+86-86-13583358881 +8618560316533
Brad@rongnabiotech.com China 3372 58
Hebei Chuanghai Biotechnology Co,.LTD
+86-86-13131129325
sales1@chuanghaibio.com China 5220 58
Capot Chemical Co.,Ltd.
+86-(0)57185586718 +86-13336195806
sales@capot.com China 29640 60
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512
info@tianfuchem.com China 21585 55
Nanjing ChemLin Chemical Industry Co., Ltd.
025-83697070
product@chemlin.com.cn CHINA 3009 60
ATK CHEMICAL COMPANY LIMITED
+undefined-21-51877795
ivan@atkchemical.com China 33024 60
career henan chemical co
+86-0371-86658258
sales@coreychem.com China 29812 58
NINGBO INNO PHARMCHEM CO., LTD.
13867897135
sales@nbinno.com CHINA 923 58
Shanghai Arbor Chemical Co., Ltd.
021-60451682
act@arborchemical.com CHINA 904 58

????? ? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved
黑龙江省| 化州市| 西华县| 贺兰县| 上饶县| 贺兰县| 兴山县| 云林县| 瑞丽市| 如东县| 天门市| 馆陶县| 新兴县| 张家口市| 衡阳县| 衡阳县| 开远市| 广安市| 嵊泗县| 长乐市| 寿光市| 六安市| 贵州省| 鹤山市| 泗水县| 广德县| 林西县| 姜堰市| 浙江省| 新建县| 会宁县| 怀安县| 会东县| 来安县| 轮台县| 屏东市| 仙居县| 云龙县| 茂名市| 若羌县| 海城市|