Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol 400
Polyethylene glycol 400
Applications
- Crystallization grade Polyethylene glycol 400 for formulating screens or for optimization
Description
Polyethylene glycol 400
Synonyms: 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 (Rotation) 105 – 152 mPas
Density 1.126 g/mL at 20°C
Measured Conductivity Range: 2.3 – 3.4 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%
应用
结晶级聚乙二醇 400,用于配制筛网或优化
描述
聚乙二醇400
同义词:PEG 400
H(OCH2CH2)nOH
380-420先生
CAS号 [25322-68-3]
EC 编号 500-038-2
默克 14,7568
RTECS TQ3675000
MDL 编号 MFCD00081839
PubChem 物质 ID 24897878
粘度(旋转) 105 – 152 mPas
20°C 时密度 1.126 g/mL
测量的电导率范围:25°C 时为 2.3 – 3.4 µS/cm
测得的折射率范围:1.46629 – 1.46762 at 20°C
醛 未检测到
过氧化物(以 H2O2 计)≤0.001%
铝≤0.0005%
≤0.00001%
钡≤0.0005%
铋≤0.0005%
钙≤0.001%
镉≤0.0005%
氯≤0.005%
钴≤0.0005%
铬≤0.0005%
铜≤0.0005%
铁≤0.0005%
钾≤0.2%
锂≤0.0005%
镁≤0.0005%
锰 ≤0.0005%
钼≤0.0005%
钠≤0.2%
镍≤0.0005%
铅≤0.0005%
SO4 ≤0.005%
锶≤0.0005%
锌≤0.0005%
Polyethylene glycol 400
CAT NO
HR2-603
NAME
DESCRIPTION
200 mL
PRICE
$67.00
cart quote
Support Material(s)
Certificate Of Analysis
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.