202487

Poly(ethylene glycol) methyl ether

average M_n 550

• Synonym(s): Methoxy poly(ethylene glycol), Polyethylene glycol monomethyl ether, mPEG
• Linear Formula: CH₃(OCH₂CH₂)_nOH
• CAS Number: 9004-74-4
• MDL number: MFCD00084416
• PubChem Substance ID: 24852066
• NACRES: NA.23

Properties

• vapor density: >1 (vs air)
• Quality Level: 200
• vapor pressure: 0.05 mmHg ( 20 °C)
• form: semisolid
• mol wt: average M_n 550
• refractive index: n20/D 1.455
• viscosity: 7.5 cSt(210 °F)(lit.)
• transition temp: T_m 20 °C
• density: 1.089 g/mL at 25 °C
• Ω-end: hydroxyl
• α-end: methoxy
• InChI: 1S/C3H8O2/c1-5-3-2-4/h4H,2-3H2,1H3
• InChI key: XNWFRZJHXBZDAG-UHFFFAOYSA-N

Description

Application

Poly(ethylene glycol) methyl ether can be used as a pore-forming agent to prepare polysulfone membranes with enhanced hydrophilicity.

Poly(ethylene glycol) methyl ether-grafted polyamidoamine (PAMAM) dendrimers can be used as drug carrier systems for anticancer drugs.

Packaging

5 g in glass bottle

250, 500 g in poly bottle

Safety Information

• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 1
• Flash Point(F): 359.6 °F - closed cup
• Flash Point(C): 182 °C - closed cup