8.43912

Polyethylene glycol diacid 600

for synthesis

• Sinónimos: Polyethylene glycol diacid 600, Polyethylene glycol bis(carboxymethyl) ether
• Fórmula lineal: HOOCCH₂(OCH₂CH₂)_nOCH₂COOH
• Número de CAS: 39927-08-7
• MDL number: MFCD00132002
• UNSPSC Code: 12352106
• NACRES: NA.22

Propiedades

• Quality Level: 200
• 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

Descripción

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.

Información de seguridad

• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 1
• flash_point_f: 572.0 °F - closed cup
• flash_point_c: 300 °C - closed cup