732613

Poly(ethylene glycol) methyl ether

average M_n 20,000

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

Properties

• vapor density: >1 (vs air)
• Quality Level: 100
• vapor pressure: 0.05 mmHg ( 20 °C)
• form: powder or crystals
• mol wt: average M_n 20,000
• mp: 64-69 °C
• Mw/Mn: ≤1.2
• Ω-end: hydroxyl
• α-end: methoxy
• storage temp.: −20°C
• InChI: 1S/C3H8O2/c1-5-3-2-4/h4H,2-3H2,1H3
• InChI key: XNWFRZJHXBZDAG-UHFFFAOYSA-N

Safety Information

• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 1
• Flash Point(F): 359.6 °F
• Flash Point(C): 182 °C