Products > Optimize Reagents > Optimize - Polymers > Jeffamine ED-2001 pH 7.0
Jeffamine ED-2001 pH 7.0
Applications
- Crystallization grade Jeffamine ED-2001 pH 7.0 for formulating screens or for optimization
Features
- pH adjusted to 7 using HCl
- Sterile filtered
- Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)
Description
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 MFCD00147794
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.
Support Material(s)
HR2-597 Jeffamine® ED-2001 SDSCertificate Of Analysis
Related Item(S)
References
1. Preparation, crystallization and preliminary X-ray analysis of protein YtlP from Bacillus subtilis. C. Liu, D. Li, L. Hederstedt, L. Li, Y.-H. Liang and X.-D. Su. Acta Cryst. (2006). F62, 967-969.