所有图片(1)
别名:
Polyethylene glycol diacid 600, Polyethylene glycol bis(carboxymethyl) ether
线性分子式:
HOOCCH2(OCH2CH2)nOCH2COOH
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质量水平
形式
liquid
效能
>2000 mg/kg LD50, oral (Rat)
pH值（酸碱度）
2.1 (100 g/L in H2O)
转变温度
flash point 300 °C
密度
1.185 g/cm3 at 20 °C
储存温度
2-30°C
应用
Polyethylene glycol diacid 600 can be used as an acylating agent as well as a solvent in the resolution of free secondary alcohols using a biocatalyst. It is also used as a hydrophilic ligand in the surface modification of lanthanide co-doped NaYF4 nanocrystals via ligand exchange reaction to impart the water solubility of the nanocrystals.
分析说明
Colour (visual): colourless
Appearance of substance (visual): liquid
Acid value: 160 - 195
Water (K. F.): ≤ 5.0 %
Refractive index (n 20°/D): 1.460 - 1.480
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.
Appearance of substance (visual): liquid
Acid value: 160 - 195
Water (K. F.): ≤ 5.0 %
Refractive index (n 20°/D): 1.460 - 1.480
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.
储存分类代码
10 - Combustible liquids
WGK
WGK 1
闪点(°F)
572.0 °F - closed cup
闪点(°C)
300 °C - closed cup
法规信息
新产品
PEG600-Carboxylates as Efficient Reusable Reaction Media and Acylating Agents for the Resolution of sec-Alcohols
Monteiro CM, et al.
ChemPlusChem, 80(1), 42-46 (2015)
Shashank Mishra et al.
Dalton transactions (Cambridge, England : 2003), 41(5), 1490-1502 (2011-12-03)
First heterometal-organic single source precursors for NaYF(4) nanomaterials as a host matrix for up-conversion emission are reported. These novel heterobimetallic derivatives NaY(TFA)(4)(diglyme) (1), [Na(triglyme)(2)][Y(2)(TFA)(7)(THF)(2)] (2) and Na(2)Y(TFA)(5)(tetraglyme) (3) (TFA = trifluoroacetate), which were fully characterized by elemental analysis, FT-IR and
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