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一般描述
Ethylene (ET), a simple olefin, is an important synthetic reagent. It is also a plant hormone that regulates various physiological and developmental processes, such as ripening of fruit, abscission, senescence and responses to wounding in plants. Pd(II) and Ni(II)-based catalysts are reported to catalyze the polymerization of ET to afford high molecular weight polymers. Mechanism of Diels-Alder Reaction of 1,3-butadiene with ET has been investigated. Diels-Alder reaction between butadiene and ET, via concerted and the stepwise mechanisms has been investigated by ab initio MO methods. Dehydration of algae-produced ethanol to ET in the presence of nanoscale catalyst HZSM-5 (protonated Zeolite Socony Mobil-5) shows promising results in replacing fossil fuel methods for the industrial production of ET. The utility of microsized spent tea leaf powder (MSTLP) as an ethylene adsorbent has been investigated.
应用
Ethylene was used in the preparation of polyethylene (PE), by polymerization in the presence of titanium complexes having F(s) or CF3(s) containing phenoxy-imine chelate ligands.
包装
Supplied in a carbon steel lecture bottle with a CGA180M/CGA110F needle valve installed.
Compatible with the following:
Compatible with the following:
- Aldrich® lecture-bottle station systems
- Aldrich® lecture-bottle gas regulators
其他说明
See Technical Information Bulletin AL-151 Gas Regulators: Selection, Installation, and Operation
法律信息
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
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警示用语：
Danger
危险声明
危险分类
Flam. Gas 1 - Press. Gas Liquefied gas - STOT SE 3
靶器官
Respiratory system
储存分类代码
2A - Gases
WGK
nwg
闪点(°F)
-148.0 °F - closed cup
闪点(°C)
-100 °C - closed cup
个人防护装备
Eyeshields, Faceshields, Gloves, multi-purpose combination respirator cartridge (US)
法规信息
新产品
Spent tea leaves: A new non-conventional and low-cost biosorbent for ethylene removal.
Tzeng JH, et al.
International Biodeterioration & Biodegradation, 104, 67-73 (2015)
Ethylene and the regulation of plant development.
Schaller GE.
BMC Biology, 10(1), 9-9 (2012)
Ethylene formation by catalytic dehydration of ethanol with industrial considerations.
Fan D, et al.
Materials, 6(1), 101-115 (2012)
Hiroaki Wakayama et al.
The journal of physical chemistry. A, 111(51), 13575-13582 (2007-12-07)
The concerted and the stepwise mechanisms of the Diels-Alder reactions of butadiene with silaethylene and disilene were studied by ab initio MO methods. For the reaction of butadiene and silaethylene, an asymmetric concerted process that is almost stepwise and two
Antisense gene that inhibits synthesis of the hormone ethylene in transgenic plants.
Hamilton AJ, et al.
Nature, 284-287 (1990)
商品
The Diels–Alder reaction is the reaction between a conjugated diene and an alkene (dienophile) to form unsaturated six-membered rings. It is also referred to as a cycloaddition.
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