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

2-N-BUTYL-3-METHYLPYRAZINE

2-N-BUTYL-3-METHYLPYRAZINE ??? ???
?? ??:
15987-00-5
???:
2-N-BUTYL-3-METHYLPYRAZINE
???(??):
2-BUTYL-3-METHYLPYRAZINE;Butylmethylpyrazine;2-butyl-3-methyl-pyrazin;2-methyl-3- butylpyrazine;BUTYL-3-METHYLPYRAZINE, 2-;2-N-BUTYL-3-METHYLPYRAZINE;Pyrazine, 2-butyl-3-methyl-;2-Butyl-3-methylpyrazine >BUTYL-3-METHYLPYRAZINE,2-(SG);2-N-BUTYL-3-METHYLPYRAZINE 97+%
CBNumber:
CB2750552
???:
C9H14N2
??? ??:
150.22
MOL ??:
15987-00-5.mol

2-N-BUTYL-3-METHYLPYRAZINE ??

?? ?
84 °C / 9mmHg
??
0.95
???
1.4920 to 1.4960
???
83℃
?? ??
2-8°C
??? ??
??? ??
?? ?? (pKa)
1.93±0.10(Predicted)
??
??~??
??
???? ??? ? 0.10%. ??? ??
?? ??
??
LogP
2.100
EPA
Pyrazine, 2-butyl-3-methyl- (15987-00-5)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
TSCA TSCA listed
HS ?? 2933998090
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H227 ??? ?? ??? ?? ?? 4 ?? P210, P280, P370+P378, P403+P235,P501
??????:
P210 ?·???·??·????? ????? - ?? ???.
P280 ????/???/???/?????? ?????.
P370+P378 ?? ? ?? ?? ?? (Section 5. ??, ??? ????? ??? ???)?(?) ?????.
P403+P235 ??? ? ?? ?? ???? ???? ?????.
P501 ...? ??? / ??? ?? ???.
NFPA 704
0
1 0

2-N-BUTYL-3-METHYLPYRAZINE C??? ??, ??, ??

2-N-BUTYL-3-METHYLPYRAZINE ?? ?? ? ???

???

?? ??


2-N-BUTYL-3-METHYLPYRAZINE ?? ??

???( 95)?? ??
??? ?? ??? ?? ?? ? ??
Hebei Chuanghai Biotechnology Co., Ltd
+8615350571055
Sibel@chuanghaibio.com China 8738 58
JINING XINHE CHEMICAL CO., LTD
+8615318402391
sales@xinhepharma.com China 809 58
career henan chemical co
+86-0371-86658258 +8613203830695
sales@coreychem.com China 29815 58
ANHUI WITOP BIOTECH CO., LTD
+8615255079626
eric@witopchemical.com China 23541 58
Dideu Industries Group Limited
+86-29-89586680 +86-15129568250
1026@dideu.com China 28509 58
Dayang Chem (Hangzhou) Co.,Ltd.
+86-0571-88938639 +8617705817739
info@dycnchem.com China 52704 58
CD Chemical Group Limited
+8615986615575
info@codchem.com China 17259 58
HANGZHOU LEAP CHEM CO., LTD.
+86-571-87711850
market18@leapchem.com China 24597 58
PT CHEM GROUP LIMITED
+86-85511178;
peter68@ptchemgroup.com China 35425 58
GIHI CHEMICALS CO.,LIMITED
+86-571-86217390; +8618058761490
info@gihichemicals.com China 49962 58

2-N-BUTYL-3-METHYLPYRAZINE ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved
吕梁市| 佛冈县| 襄汾县| 启东市| 富民县| 岳阳县| 舞钢市| 文成县| 贵德县| 麻栗坡县| 锦屏县| 科技| 扎赉特旗| 扶风县| 罗定市| 财经| 淳安县| 洛宁县| 都江堰市| 都江堰市| 中超| 张家川| 泉州市| 陆河县| 开化县| 阳西县| 汤阴县| 临颍县| 古浪县| 五台县| 峨山| 营口市| 西吉县| 景东| 周口市| 无为县| 达孜县| 昌黎县| 沂南县| 巴林左旗| 阿拉尔市|