Jeffamine ED series are polyether diamines based on a predominantly PEG backbone. PEG imparts complete water solubility. The Jeffamine® ED-2001 have a representative structure illustrated in the accompanying Figure.
Jeffamine ED-2001 Synonym: O,O′-Bis(2-aminopropyl) polypropylene glycol-block-polyethylene glycol-block-polypropylene glycol 1,900, Jeffamine® ED-2003 Mr ~2,000 CH3CH(NH2)CH2(OCH2CH2)nOCH2CH(NH2)CH3 CAS Number [65605-36-9] MDL Number MFCD00197920 PubChem Substance ID 24848714 pH before titration with hydrochloric acid is > 10 Final measured pH of HR2-597 is 7.0 Appearance: Colorless to Very light yellow tint to yellow, clear solution 50% w/v in deionized water, sterile filtered (0.22 micron)
Measured Conductivity Range: 4.0 - 5.7 mS/cm at 25°C Measured Refractive Index Range: 1.40572 - 1.40734 at 20°C
Jeffamine is a registered trademark of the Huntsman Petrochemical Corporation.
美国Hampton Research公司是蛋白质晶体研究方面的专家，是一个从事蛋白质晶体研究研制的专业公司，为全球科研人员提供晶体研究工具和试剂，完整的晶体培养体系；同时提供晶体设计和合成方面的服务。其提供的试剂长期以来在该领域居于领先地位，为广大研究人员提供了极大的方便，促进了蛋白质晶体的研究，为世界范围内的蛋白质晶体研究人员所信赖。
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