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

α-??????

α-??????
α-?????? ??? ???
?? ??:
80-58-0
???:
α-??????
???(??):
2-??????;α-??????;2-???????
???:
2-Bromobutyric acid
???(??):
2-Bromobutanoic acid;Procaterol 16;AKOS BBS-00004219;α-Bromobutyricacid;2-BROMOBUTYRIC ACID;2-bromo-butanoicaci;a-Bromobutyric Acid;α-bromo-butanoic acid;dl-2-Bromobutyricacid;2-Bromobutyricacid,98%
CBNumber:
CB7338667
???:
C4H7BrO2
??? ??:
167
MOL ??:
80-58-0.mol
MSDS ??:
SDS

α-?????? ??

???
-4 °C (lit.)
?? ?
99-103 °C/10 mmHg (lit.)
??
1.567 g/mL at 25 °C (lit.)
???
n20/D 1.474(lit.)
???
>230 °F
?? ??
room temp
???
?: ???15?
??? ??
??
?? ?? (pKa)
pK1: 2.939 (35°C)
??
?? ???
???
66g/L(20℃)
Merck
14,1413
BRN
1720950
Dielectric constant
7.2（20℃）
CAS ??????
80-58-0(CAS DataBase Reference)
NIST
2-Bromobutyric acid(80-58-0)
EPA
2-Bromobutyric acid (80-58-0)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xn,C,F
?? ???? ?? 22-36/37/38-34-38-11
????? 26-28A-24-16-9-2-45-36/37/39
????(UN No.) 3265
WGK ?? 3
TSCA Yes
?? ?? 8
???? II
HS ?? 29349990
?? LD50 orally in mice: 310 mg/kg (Morrison)
????(GHS): GHS hazard pictogramsGHS hazard pictograms
?? ?: Danger
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? GHS hazard pictograms P264, P270, P301+P312, P330, P501
H314 ??? ?? ??? ?? ??? ??? ????? ?? ????? ?? 1A, B, C ?? GHS hazard pictograms P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
??????:
P270 ? ??? ??? ??? ???, ???? ???? ???.
P280 ????/???/???/?????? ?????.
P301+P312 ??? ???? ??? ????(??)? ??? ????.
P303+P361+P353 ??(?? ????)? ??? ??? ?? ??? ??? ????? ??? ?? ????/?????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
NFPA 704
0
3 0

α-?????? MSDS


alpha-Bromobutyric acid

α-?????? C??? ??, ??, ??

??? ??

clear yellow liquid

??

2-Bromobutyric acid was used in the synthesis of S-(1-carboxypropyl)-L-cysteine.

α-?????? ?? ?? ? ???

???

?? ? ??

?? ??

(±)-N-(2,6-?????)-2-(????????)??????????? 2-??????98 2-bromo-N-(2-chlorobenzyl)butanamide Butanoic acid, 2-(hydroxyimino)-, (E)- (9CI) 2-(4-TERT-BUTYLPHENOXY)BUTANOIC ACID 2-Ethyl-2H-benzo[b][1,4]oxazin-3(4H)-one

α-?????? ?? ??

???( 369)?? ??
??? ?? ??? ?? ?? ? ??
Hebei Chuanghai Biotechnology Co., Ltd 		+86-15531157085 +86-15531157085
 abby@chuanghaibio.com China 8805 58
Hebei Mujin Biotechnology Co.,Ltd 		+86 13288715578 +8613288715578
 sales@hbmojin.com China 12827 58
Hebei Yanxi Chemical Co., Ltd. 		+8617531153977
 allison@yan-xi.com China 5855 58
Hebei Chuanghai Biotechnology Co,.LTD 		+86-13131129325
 sales1@chuanghaibio.com China 5879 58
Henan Fengda Chemical Co., Ltd 		+86-371-86557731 +86-13613820652
 info@fdachem.com China 20257 58
Hebei Junhua Import and Export Co., LTD 		+86-18503288844 +86-18503288844
 junhua1@hb-junhua.com China 947 58
Shanghai Daken Advanced Materials Co.,Ltd 		+86-371-+86-371-66670886
info@dakenam.com China 19852 58
Henan Tianfu Chemical Co.,Ltd. 		+86-0371-55170693 +86-19937530512
 info@tianfuchem.com China 21632 55
career henan chemical co 		+86-0371-86658258 +8613203830695
 sales@coreychem.com China 29866 58
Hubei Jusheng Technology Co.,Ltd. 		18871490254
linda@hubeijusheng.com CHINA 28172 58

α-?????? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved