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71578 Sigma

Poly(ethylene glycol) methyl ether

BioUltra, 500

Synonym: Methoxy poly(ethylene glycol), Polyethylene glycol monomethyl ether, mPEG

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Properties

Related Categories Biochemicals and Reagents, Detergents, Detergents N to Z, Hydroxy, Materials Science,
vapor density   >1 (vs air)
vapor pressure   0.05 mmHg ( 20 °C)
description   non-ionic
product line   BioUltra
form   paste
  viscous liquid (clear)
mol wt   mol wt 470-530
impurities   insoluble matters, passes filter test
  ≤0.005% peroxides (as H2O2)
pH   5.5-7.0 (25 °C, 50 mg/mL in H2O)
mp   20 °C(lit.)
solubility   H2O: 50 mg/mL at 25 °C clear, colorless
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 mg/kg
cation traces   Al: ≤5 mg/kg
  As: ≤0.1 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤200 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤200 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
λ   50 mg/mL in H2O
UV absorption   λ: 260 nm Amax: 0.06
  λ: 280 nm Amax: 0.03
functional group   OH

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Safety Information

Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
1
Flash Point(F) 
359.6 °F
Flash Point(C) 
182 °C
Protocols & Articles
Peer-Reviewed Papers
15

References

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