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Polyethylene glycol 1,000
Applications
Crystallization grade Polyethylene glycol 1,000 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 1,000
Synonyms: PEG 1,000
H(OCH2CH2)nOH
Mr 950-1050
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
RTECS TQ4025000
MDL Number MFCD00081839
PubChem Substance ID 24887679


Measured pH range: 6.3 - 7.7 at 25°C
Measured Conductivity Range: 23.1 - 37.5 µS/cm at 25°C
Measured Refractive Index Range: 1.40068 - 1.40121 at 20°C


DNases none detected
RNases none detected
Proteases none detected
Phosphatases none detected
Peroxides (as H2O2) ≤0.001%
Aldehydes none detected

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 ≤0.02%
Li ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.02%
Ni ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.005%
Sr ≤0.0005%
Zn ≤0.0005%
CAT NO NAME DESCRIPTION
HR2-523 Polyethylene glycol 1,000 50% w/v solution - 200 ml
Price Quantity
$111.00
References
1.Refinement of a Partially oxygenated T state human haemoglobin at 1.5 A resolution. Waller, DA; Liddington, RC. Acta Crystallogr B 46, 409- 418, 1990.
Certificates of Analysis
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