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

???(?????????)???

???(?????????)???
???(?????????)??? ??? ???
?? ??:
1272-23-7
???:
???(?????????)???
???(??):
???(?????????)???
???:
TRIS(CYCLOPENTADIENYL)LANTHANUM
???(??):
LaCp3;(C5H5)3La;lanthanum(3+);Tricyclopentadienyllanthanum;Lanthanum tricyclopentadienide;TRIS(CYCLOPENTADIENYL)LANTHANUM;Lanthanum tris(cyclopentadienide);TRIS(CYCLOPENTADIENYL)LANTHANUM(III);Tris(eta5-cyclopentadienyl)lanthanum;TRIS(CYCLOPENTADIENYL)LANTHANUM, 99.9%
CBNumber:
CB3777862
???:
C15H15La15*
??? ??:
334.19
MOL ??:
1272-23-7.mol

???(?????????)??? ??

???
275 °C (dec.)(lit.)
???
>230 °F
??? ??
?? ??
??
???? ?????
??
Air & Moisture Sensitive
InChI
1S/3C5H5.La/c3*1-2-4-5-3-1;/h3*1-5H;
InChIKey
FRXJDKXOOBAPRG-UHFFFAOYSA-N
SMILES
[La].[CH]1[CH][CH][CH][CH]1.[CH]2[CH][CH][CH][CH]2.[CH]3[CH][CH][CH][CH]3
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? F
?? ???? ?? 11-14/15
????? 43-7/8
????(UN No.) UN 3395 4.3/PG 2
WGK ?? 3
?? ?? 4.1
???? III
???? ??? 4.3 - Hazardous materials which set free flammable gases upon contact with water
Hazard Classifications Flam. Sol. 2
Water-react 2
????(GHS): Flame (GHS02)
?? ?: Danger
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H228 ??? ?? ??? ?? ?? 1
?? 2
??
??
P210, P240,P241, P280, P370+P378
H261 ?? ??? ?????? ???? ???? ?? ? ??? ?? 2
?? 3
??
??
P231+P232, P280, P370+P378,P402+P404, P501
??????:
P210 ?·???·??·????? ????? - ?? ???.
P231+P232 ??? ?? ??? ????, ??? ?????.
P422 ??? ???(?) ???? ?????.
NFPA 704
2
0 2
W

???(?????????)??? C??? ??, ??, ??

??? ??

white crystal(s); air and moisture sensitive [STR93]

??

Used as reducing agent for alkenes, organohalogen compounds, and organoheteroatom oxides; catalyst for hydrogenation and isomerization of alkenes.

?? ??

Atomic number of base material: 57 Lanthanum

???(?????????)??? ?? ?? ? ???

???

?? ??


???(?????????)??? ?? ??

???( 46)?? ??
??? ?? ??? ?? ?? ? ??
Shaanxi Dideu Medichem Co. Ltd
+8617392709771
1097@dideu.com China 3992 58
Antai Fine Chemical Technology Co.,Limited
18503026267
info@antaichem.com CHINA 9636 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +8618949823763
sales@tnjchem.com China 34563 58
Hunan russell chemicals technology co ltd
731-88557738 +8613739093081
sales01@russellchem.com CHINA 291 58
Xi'an MC Biotech, Co., Ltd.
029-89275612 +8618991951683
mcbio_sales@163.com China 2251 58
SUZHOU SENFEIDA CHEMICAL CO.,LTD
+86-0512-83500002 +8618662433356
3899766280@qq.com China 26362 58
Aladdin Scientific

tp@aladdinsci.com United States 52923 58
XIAMEN AMITY INDUSTRY AND TRADE CO., LTD.
+8618950047208
ellena@amitychem.com China 43414 58
DAYANG CHEM (HANGZHOU) CO.,LTD
+86-88938639 +86-17705817739
info@dycnchem.com China 53803 58
J & K SCIENTIFIC LTD. 18210857532; 18210857532
jkinfo@jkchemical.com China 96815 76

???(?????????)??? ?? ??:

Copyright 2019 ? ChemicalBook. All rights reserved
崇信县| 河源市| 高碑店市| 汝阳县| 珲春市| 潼关县| 蓬莱市| 新沂市| 沭阳县| 双牌县| 海兴县| 滨州市| 东安县| 库尔勒市| 治县。| 凌源市| 滦平县| 长顺县| 海南省| 聂荣县| 台州市| 旅游| 遂平县| 迁安市| 恩平市| 图木舒克市| 分宜县| 凤凰县| 阳朔县| 高台县| 盐亭县| 防城港市| 望城县| 漾濞| 西青区| 漳平市| 阿合奇县| 黎平县| 宣恩县| 普陀区| 诸暨市|