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

???????????

???????????
??????????? ??? ???
?? ??:
34413-35-9
???:
???????????
???(??):
???????????;5,6,7,8-????????????
???:
5,6,7,8-Tetrahydroquinoxaline
???(??):
TETRAHYDROQUINOXALINE;CYCLOHEXAPYRAZINE;FEMA 3321;FEMA NUMBER 3321;nutty quinoxaline;5,6,7,8-Tetrahydroquioxaline;5,6,7,8-TETRAHYDROQUINOXALINE;5,6,7,8-tetrahydro-quinoxalin;5.6.7.8-Tetrohydro quinoxaline;Quinoxaline, 5,6,7,8-tetrahydro-
CBNumber:
CB7364693
???:
C8H10N2
??? ??:
134.18
MOL ??:
34413-35-9.mol

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

?? ?
85 °C3 mm Hg(lit.)
??
1.061 g/mL at 25 °C(lit.)
???
n20/D 1.542(lit.)
FEMA
3321 | 5,6,7,8-TETRAHYDROQUINOXALINE
???
195 °F
?? ??
Sealed in dry,Room Temperature
?? ?? (pKa)
2.24±0.20(Predicted)
??? ??
??? ??
??
Colorless to Yellow to Green
Specific Gravity
1.1334
??
????? ??? ? 0.10%. ??? ?? ?? ?? ? ??? ??? ? ??
?? ??
???
???? ??
synthetic
???
?? ???
JECFA Number
952
BRN
957053
LogP
1.41
CAS ??????
34413-35-9(CAS DataBase Reference)
NIST
5,6,7,8-Tetrahydroquinoxaline(34413-35-9)
EPA
Quinoxaline, 5,6,7,8-tetrahydro- (34413-35-9)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xi
?? ???? ?? 36/37/38
????? 26-24/25-36
WGK ?? 3
TSCA Yes
HS ?? 29339900
????(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 ??·?·??·???·??·...·????? ??? ????.
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P271 ?? ?? ??? ? ?? ???? ?????.
P280 ????/???/???/?????? ?????.
P302+P352 ??? ??? ??? ?? ????.
P305+P351+P338 ?? ??? ? ?? ?? ???? ????. ???? ?????? ?????. ?? ????.
NFPA 704
2
2 0

??????????? MSDS


5,6,7,8-Tetrahydroquinoxaline

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

??? ??

CLEAR VERY SLIGHTLY YELLOW LIQUID

??

Reported found in cocoa, coffee, wheat bread, fried cured pork, pork liver, cocoa, coffee, roasted filbert, roasted peanut and roasted sesame seeds.

?? ??

By condensation of alicyclic α, β-diketone with an α, β-diamine; condensation of an acyclic α, β-diamine with an α, β-dicarbonyl.

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

???

?? ??


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

???( 301)?? ??
??? ?? ??? ?? ?? ? ??
Hebei Yanxi Chemical Co., Ltd.
+8617531153977
allison@yan-xi.com China 5854 58
Hebei Chuanghai Biotechnology Co,.LTD
+86-13131129325
sales1@chuanghaibio.com China 5868 58
Henan Fengda Chemical Co., Ltd
+86-371-86557731 +86-13613820652
info@fdachem.com China 20235 58
JINING XINHE CHEMICAL CO., LTD
+8615318402391
sales@xinhepharma.com China 809 58
Hebei Zhuanglai Chemical Trading Co Ltd
+86-16264648883 +86-16264648883
niki@zlchemi.com China 7245 58
Capot Chemical Co.,Ltd.
+86-(0)57185586718 +86-13336195806
sales@capot.com China 29730 60
Shanghai Daken Advanced Materials Co.,Ltd
+86-371-+86-371-66670886
info@dakenam.com China 19805 58
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512
info@tianfuchem.com China 21628 55
career henan chemical co
+86-0371-86658258 +8613203830695
sales@coreychem.com China 29858 58
Hubei Jusheng Technology Co.,Ltd.
18871490254
linda@hubeijusheng.com CHINA 28172 58

??????????? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved