• USA Home
  • 95172 - Poly(ethylene glycol)


95172 Sigma

Poly(ethylene glycol)

BioUltra, 20,000

Synonym: PEG



Related Categories Essential Chemicals, Materials Science, PEG and Oligo Ethylene Glycol, Poly(ethylene glycol), Poly(ethylene glycol) (PEG) and PEG Solutions,
vapor density   >1 (vs air)
vapor pressure   <0.01 mmHg ( 20 °C)
product line   BioUltra
autoignition temp.   581 °F
mol wt   Mr ~16000-24000
impurities   insoluble matter:, passes filter test
  ≤0.001% peroxides (as H2O2):
pH   5.5-7.0 (25 °C, 50 mg/mL in H2O)
mp   63-66 °C
solubility   H2O: soluble50 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: 0.10
  λ: 280 nm Amax: 0.15

Price and Availability

Suggested Laboratory Gloves

Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.

Precise Drug Delivery Webinar

Custom Polymer Synthesis

Additional Products to Explore

Poly(ethylene oxide)

average Mv 100,000, powder

Polyethylene glycol solution

Hybri-Max, 50 % (w/v), average mol wt 1,450, sterile-filtered, BioReagent, suitable for hybridoma


average mol wt 40,000

Sodium chloride

BioXtra, ≥99.5% (AT)

Customers Also Viewed

Poly(ethylene glycol)

average Mn 20,000

Poly(ethylene glycol)

tested according to Ph.Eur., 20,000

Poly(ethylene glycol)

BioUltra, 35,000

Poly(ethylene glycol)

analytical standard, for GPC, 20,000

Safety & Documentation

Safety Information

WGK Germany 


Certificate of Analysis

Protocols & Articles

Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?