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Products > Optimize Reagents > Optimize – Polymers > Ethylene imine polymer
Ethylene imine polymer
Applications
- Crystallization grade Ethylene imine polymer solution for formulating screens or for optimization
Features
- Sterile filtered solution
- 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
Ethylene imine polymer
Synonyms: PEI or Poly(ethylene imine) or Poly(ethyleneimine) solution or Ethyleneimine polymer solution
H2NCH2(C22H55N11)nCH2NH2
Mr 600,000 to 1,000,000
CAS [9002-98-6]
EC Number 205-793-9
MDL Number MFCD00084427
PubChem Substance ID 24845612
Sterile filtered solution
Density 1.08 g/mL at 20°C
Refractive Index N20/D: 1.440 – 1.455
Structural Viscosity: 18 – 40PAS
Appearance (Color): Faint yellow to yellow in color; clear to slightly opaque viscous liquid
Ethylene imine polymer is utilized in Crystal Screen 2 crystallization screen and StockOptions Polymer
Measured Refractive Index Range: 1.45032 – 1.45291 at 20°C
Measured Conductivity Range: 237.5 – 320.0 µS/cm at 25°C
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CAT NO
HR2-599
NAME
DESCRIPTION
200 mL
PRICE
$98.00
cart quote
Support Material(s)
Certificate Of Analysis
References
1. Acta Cryst. (2004). D60, 952-953, Crystallization of the mosquito-larvicidal binary toxin produced by Bacillus sphaericus A. W. Smith, A. Camara-Artigas and J. P. Allen.
2. Acta Cryst. (2010). D66, 685-697, A crystallization screen based on alternative polymeric precipitants, C. Grimm, A. Chari, K. Reuter and U. Fischer.
Hampton Research, first in crystallization since 1991, developing and delivering crystallization and optimization screens, reagents, plates, and other tools for the crystallization of biological macromolecules, including proteins (antibody), peptides (insulin), and nucleic acids (DNA).
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