8.43912

Polyethylene glycol diacid 600

for synthesis

• Sinonimo/i: Polyethylene glycol diacid 600, Polyethylene glycol bis(carboxymethyl) ether
• Formula condensata: HOOCCH₂(OCH₂CH₂)_nOCH₂COOH
• Numero CAS: 39927-08-7
• Numero MDL: MFCD00132002
• Codice UNSPSC: 12352106
• NACRES: NA.22

Proprietà

• Livello qualitativo: 200
• Forma fisica: liquid
• Potenza: >2000 mg/kg LD₅₀, oral (Rat)
• pH: 2.1 (100 g/L in H₂O)
• Temp. transizione: flash point 300 °C
• Densità: 1.185 g/cm³ at 20 °C
• Temperatura di conservazione: 2-30°C

Descrizione

Applicazioni

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.

Risultati analitici

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.

Informazioni sulla sicurezza

• Codice della classe di stoccaggio: 10 - Combustible liquids
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): 572.0 °F - closed cup
• Punto d’infiammabilità (°C): 300 °C - closed cup