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Polyethylene glycol 20,000
Applications
Crystallization grade Polyethylene glycol 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
Polyethylene glycol 20,000
Synonym: PEG 20,000
H(OCH2CH2)nOH
Mr ~ 16,000-24,000
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
RTECS TQ4110000
MDL Number MFCD00081839
PubChem Substance ID 24887748
Melting point (Starting material) 63.0-66.0°C
Aldehyde None detected
Peroxide None detected

Measured pH range: 4.6 - 10.2 at 25°C
Measured Conductivity Range: 44.9 - 76.9 µS/cm at 25°C
Measured Refractive Index Range: 1.37413 - 1.37495 at 20°C

HR2-609 is sterile filtered and purged with dry argon.
CAT NO NAME DESCRIPTION
HR2-609 Polyethylene glycol 20,000 30% w/v solution - 200 ml
Price Quantity
$98.00
References
1.Crystallization and preliminary crystallographic studies of an alpha-amylase inhibitor from wheat (Triticum aestivum). Oliva, G; Iulek, J; Ida, EI. Acta Crystallogr D 52, 1016- 1017, 1996.
SUPPORT MATERIALS
SDS for HR2-609
Certificates of Analysis
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