Polyethylene glycol monomethyl ether 550-Hampton聚乙二醇单甲醚 550

Polyethylene glycol monomethyl ether 550-Hampton聚乙二醇单甲醚 550

Polyethylene glycol monomethyl ether 550-Hampton聚乙二醇单甲醚 550

Products > Optimize Reagents > Optimize – Polymers > Polyethylene glycol monomethyl ether 550

Polyethylene glycol monomethyl ether 550

Applications

  • Crystallization grade Polyethylene glycol monomethyl ether 550 for formulating screens or for optimization

Description

Polyethylene glycol monomethyl ether 550

Synonyms: Methoxypolyethylene glycol, mono-Methyl polyethylene glycol, Methoxy poly(ethylene glycol), PEG MME 550, MPEG
CH3O(CH2CH2O)nH
Average Mn ~550
CAS Number [9004-74-4]
EC Number 215-801-2
RTECS PE8271000
MDL Number MFCD00084416
Purity ≥100%
Melting Point (Starting Material) 20.0°C (lit.)

Aldehyde None detected
Peroxide None detected

Measured Conductivity Range: 0.0 – 1.0 µS/cm at 25°C
Measured Refractive Index Range: 1.46185 – 1.46361 at 20°C

May become highly viscous, develop amorphous, crystalline precipitate, or take on a gel like consistency at temperatures below 20 degrees Celsius. Warm product to 60 degrees Celsius for up to 24 hours, mix well, to dissolve amorphous, crystalline precipitate.

聚乙二醇单甲醚 550
应用
结晶级聚乙二醇单甲醚 550 用于配制筛网或优化
描述
聚乙二醇单甲醚 550

同义词:甲氧基聚乙二醇、单甲基聚乙二醇、甲氧基聚(乙二醇)、PEG MME 550、MPEG
CH3O(CH2CH2O)nH
平均锰 ~550
CAS号 [9004-74-4]
EC 编号 215-801-2
RTECS PE8271000
MDL 编号 MFCD00084416
纯度≥100%
熔点(起始材料) 20.0°C(升)

醛 未检测到
过氧化物 未检测到

测量的电导率范围:0.0 – 1.0 µS/cm at 25°C
测得的折射率范围:1.46185 – 1.46361 at 20°C

在低于 20 摄氏度的温度下,可能会变得非常粘稠,形成无定形结晶沉淀,或呈现凝胶状稠度。 将产品加热至 60 摄氏度长达 24 小时,充分混合,以溶解无定形、结晶沉淀物。

Polyethylene glycol monomethyl ether 550Polyethylene glycol monomethyl ether 550-Hampton聚乙二醇单甲醚 550

 

CAT NO

HR2-611

NAME

100% Polyethylene glycol monomethyl ether 550

DESCRIPTION

200 mL

PRICE

$107.00

cart quote

Support Material(s)

Polyethylene glycol monomethyl ether 550-Hampton聚乙二醇单甲醚 550 HR2-611 Polyethylene glycol monomethyl ether 550 SDS

Certificate Of Analysis

References

1. Poly(ethylene) glycol monomethyl ethers – an alternative to poly(ethylene) glycols in protein crystallization. A. M. Brzozowski and S. P. Tolley. Acta Cryst. (1994). D50, 466-468.

2. Crystal structure of ethylbenzene dehydrogenase from Aromatoleum aromaticum. Daniel P. Kloer, Corina Hagel, Johann Heider and Gerog E. Schulz. Structure 2006 Volume 14 Number 9, 1377-1388.