8.43912
Polyethylene glycol diacid 600
for synthesis
别名:
Polyethylene glycol diacid 600, Polyethylene glycol bis(carboxymethyl) ether
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关于此项目
线性分子式:
HOOCCH2(OCH2CH2)nOCH2COOH
化学文摘社编号:
UNSPSC Code:
12352106
NACRES:
NA.22
MDL number:
Quality Segment
form
liquid
potency
>2000 mg/kg LD50, oral (Rat)
pH
2.1 (100 g/L in H2O)
transition temp
flash point 300 °C
density
1.185 g/cm3 at 20 °C
storage temp.
2-30°C
SMILES string
OCCO.OCC(=O)O
InChI
1S/C2H4O3.C2H6O2/c3-1-2(4)5;3-1-2-4/h3H,1H2,(H,4,5);3-4H,1-2H2
InChI key
SZUIEBOFAKRNDS-UHFFFAOYSA-N
Application
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.
Analysis Note
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.
存储类别
10 - Combustible liquids
flash_point_f
572.0 °F - closed cup
flash_point_c
300 °C - closed cup