Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Polyethylene Glycol PEG2000

BASF Pluriol® PEG2000 is a high-purity, non-ionic polyethylene glycol with average molecular weight ~2000 Da. Widely used as a pharmaceutical excipient, solubilizer, and polymer matrix in drug delivery, it offers excellent water solubility, low toxicity, and biocompatibility. This grade meets USP/EP standards and ensures batch-to-batch consistency for critical applications in biotech and formulation development.
  • polyethylene glycol peg2000_63c3c19c
  • polyethylene glycol peg2000_63c3c19c

Features Of Polyethylene Glycol PEG2000

  1. Highly water-soluble polymer with excellent biocompatibility and low toxicity.

  2. Consistent molecular weight distribution (Mn ≈ 1900–2100 Da) ensuring reproducible performance in formulations.

  3. Thermally stable up to 150 °C under inert atmosphere, supporting diverse processing conditions.

  4. Non-volatile, non-ionic, and odorless—ideal for sensitive pharmaceutical and cosmetic applications.

  5. Easily sterilizable by autoclaving or filtration without significant degradation.

Typical Applications Of Polyethylene Glycol PEG2000

  1. Protein and peptide conjugation (PEGylation) to enhance pharmacokinetics and reduce immunogenicity.

  2. Excipient in oral solid dosage forms, including as a binder, plasticizer, and solubilizer.

  3. Component in topical ointments, creams, and gels for improved viscosity control and moisturization.

  4. Carrier medium in controlled-release drug delivery systems and microsphere formulations.

  5. Surface modifier for nanoparticles and liposomes to improve colloidal stability and stealth properties.

Specifications Of Polyethylene Glycol PEG2000

Chemical TypePolyethylene glycol (linear, monodisperse-grade)
Product FormWhite to off-white waxy solid
AppearanceOpaque, translucent pellets or flakes
Molecular Weight (Mn)1900–2100 Da
Hydroxyl Value52–58 mg KOH/g
Acid Number≤ 0.5 mg KOH/g
Water Content≤ 1.0% (by Karl Fischer)
pH (10% aqueous solution)5.0–7.0


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