Home | Products | Quick Order | Customer Service | Tech Support | Contact Us
Home  |   Products | Optimize Reagents | Optimize - Polymers | Polyethylene glycol 400
Polyethylene glycol 400
Polyethylene glycol 400
Applications
Crystallization grade Polyethylene glycol 400 for formulating screens or for optimization
Description
Polyethylene glycol 400
Synonym: PEG 400
H(OCH2CH2)nOH
Mr 380-420
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
RTECS TQ3675000
MDL Number MFCD00081839
PubChem Substance ID 24897878
Viscosity ~120 mPa.s (20°C)
Density 1.126 g/mL at 20°C
Freezing/Melting Point of PEG 400 approximately 4-8 degrees Celsius

Measured pH range: 9.0 - 9.7 at 25°C
Measured Conductivity Range: 2.5 - 3.3 µS/cm at 25°C
Measured Refractive Index Range: 1.46629 - 1.46762 at 20°C

Aldehydes None detected
Peroxides (as H2O2) <0.001%
Al <0.0005%
As <0.00001%
Ba <0.0005%
Bi <0.0005%
Ca <0.001%
Cd <0.0005%
Cl <0.005%
Co <0.0005%
Cr <0.0005%
Cu <0.0005%
Fe <0.0005%
K <0.2%
Li <0.0005%
Mg <0.0005%
Mn <0.0005%
Mo <0.0005%
Na <0.2%
Ni <0.0005%
Pb <0.0005%
SO4 <0.005%
Sr <0.0005%
Zn <0.0005%
ITEMS
CAT NO NAME DESCRIPTION
HR2-603 Polyethylene glycol 400 100% solution - 200 ml
Price Quantity
$59.00
References
1.Crystallographic study of the large tryptic fragments of elongation factor G from Escherichia coli. Reshetnikova, LS; Garber, MB; Fomenkova, NP; Nikonov, SV; Chirgadze, YN. J Mol Biol 160, 127- 132, 1982.
2.Rapid crystallization of chemically synthesized hammerhead RNAs using a double screening procedure. Scott, WG; Finch, JT; Grenfell, R; Fogg, J; Smith, T; Gait, MJ; Klug, A. J Mol Biol 250, 327- 332, 1995.
SUPPORT MATERIALS
MSDS for HR2-603
Certificates of Analysis
To add item to My Wish List,
please log in.
HOME | PRODUCTS | QUICK ORDER | CUSTOMER SERVICE | TECH SUPPORT | CONTACT US
info@hrmail.com   |  800.452.3899   |  949.425.1321   |  Fax 949.425.1611   |   ©COPYRIGHT 2003 - 2013 HAMPTON RESEARCH CORP. ALL RIGHTS RESERVED.   |  PRIVACY POLICY