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

3,9-BIS(2-?????)-2,4,8,10-????????[5.5]???

3,9-BIS(2-?????)-2,4,8,10-????????[5.5]???
3,9-BIS(2-?????)-2,4,8,10-????????[5.5]??? ??? ???
?? ??:
3058-04-6
???:
3,9-BIS(2-?????)-2,4,8,10-????????[5.5]???
???(??):
3,9-BIS(2-?????)-2,4,8,10-????????[5.5]???
???:
3,9-BIS(2-CYANOETHYL)-2,4,8,10-TETRAOXASPIRO[5.5]UNDECANE
???(??):
CTU;Biscyanoethylteraoxaspiro;Biscyanoethyltetraoxaspiro;2,4,8,10-Tetraoxaspiro[5.5]undecane-3,9-dipropionitrile;2,4,8,10-Tetraoxaspiro[5.5]undecane-3,9-dipropanenitrile;3,9-BIS(2-CYANOETHYL)-2,4,8,10-TETRAOXASPIRO[5.5]UNDECANE;2,4,8,10-tetraoxaspiro[5.5]undecane-3,9-dipropiononitrile;2,4,8,10-Tetraoxaspiro[5.5]undecane-3,9-bis(propiononitrile);3,3'-(2,4,8,10-Tetraoxaspiro[5.5]Undecane-3,9-diyl)dipropanenitrile;3-[9-(2-cyanoethyl)-2,4,8,10-tetraoxaspiro[5.5]undecan-3-yl]propionitrile
CBNumber:
CB7416075
???:
C13H18N2O4
??? ??:
266.29
MOL ??:
3058-04-6.mol

3,9-BIS(2-?????)-2,4,8,10-????????[5.5]??? ??

???
73-74 °C(Solv: ethanol (64-17-5))
?? ?
187-199 °C(Press: 0.14 Torr)
??
1.21±0.1 g/cm3(Predicted)
???
?? ?? ?? ??
??? ??
powder to crystal
??
White to Light yellow to Light orange
EPA
2,4,8,10-Tetraoxaspiro[5.5]undecane-3,9-dipropanenitrile (3058-04-6)
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
?? ???? ?? 20/21/22-36/37/38
????? 26-36/37/39
TSCA TSCA listed
HS ?? 2932.99.9090
????(GHS): Exclamation Mark (GHS07)
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? P264, P270, P301+P312, P330, P501
H315 ??? ??? ??? ????? ?? ????? ?? 2 ?? P264, P280, P302+P352, P321,P332+P313, P362
H319 ?? ?? ??? ??? ?? ? ?? ?? ??? ?? ?? 2A ?? P264, P280, P305+P351+P338,P337+P313P
??????:
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P270 ? ??? ??? ??? ???, ???? ???? ???.
P280 ????/???/???/?????? ?????.
P501 ...? ??? / ??? ?? ???.

3,9-BIS(2-?????)-2,4,8,10-????????[5.5]??? C??? ??, ??, ??

3,9-BIS(2-?????)-2,4,8,10-????????[5.5]??? ?? ?? ? ???

???

?? ??


3,9-BIS(2-?????)-2,4,8,10-????????[5.5]??? ?? ??

???( 38)?? ??
??? ?? ??? ?? ?? ? ??
Aladdin Scientific

tp@aladdinsci.com United States 57473 58
J & K SCIENTIFIC LTD. 18210857532 18210857532
jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109
market03@meryer.com China 40202 62
TCI (Shanghai) Development Co., Ltd. 021-67121386
Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 021-021-58432009 400-005-6266
sales8178@energy-chemical.com China 44848 61
Tianjin heowns Biochemical Technology Co., Ltd. 400 638 7771
sales@heowns.com China 14412 57
BioBioPha Co., Ltd. 0871-65217109
y.liu@mail.biobiopha.com China 5641 65
TOKYO CHEMICAL INDUSTRY CO., LTD. 03-36680489
Sales-JP@TCIchemicals.com Japan 28364 80
TCI Europe 320-37350700
sales@tcieurope.eu Europe 23654 75
TCI AMERICA 800-4238616
sales@tciamerica.com Americas 23636 75

3,9-BIS(2-?????)-2,4,8,10-????????[5.5]??? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved
浦东新区| 乌海市| 楚雄市| 盐津县| 镇宁| 潮安县| 民勤县| 高碑店市| 龙川县| 上栗县| 固安县| 富宁县| 新安县| 共和县| 濉溪县| 沙雅县| 太湖县| 平江县| 息烽县| 德阳市| 民勤县| 五常市| 南江县| 霸州市| 诏安县| 榕江县| 苏尼特右旗| 观塘区| 东宁县| 浦东新区| 桐柏县| 巴中市| 武功县| 梅河口市| 鄄城县| 秦皇岛市| 龙江县| 通河县| 延吉市| 临朐县| 依兰县|