Suzhou Pharmaceutical Technology Co., Ltd. (China) supplies Polyethylene Glycol 4000 CAS 25322-68-3 for pharmaceutical B2B procurement — COA, MSDS, and technical documentation available on request.
> Product Overview
Polyethylene Glycol 4000 (PEG 4000, CAS 25322-68-3) is a hydrophilic solid waxy polymer used as an ingredient and excipient where buyers need controlled consistency, COA/MSDS documentation, and reliable export coordination. Suzhou Pharmaceutical Technology Co., Ltd. supports PEG 4000 sourcing for B2B evaluation, formulation screening, and commercial procurement programs.
PEG 4000 is a higher solid molecular-weight polymeric material rather than a single small molecule. This page is a technical procurement reference, not a therapeutic or regulatory approval claim.
> Applications and Technical Reference
PEG 4000 is discussed for semi-solid systems, water-soluble bases, consistency adjustment, plasticization, and blending with PEG grades of other molecular weights. Grade selection depends on appearance, average molecular-weight range, hydroxyl value, water, compatibility, and process requirements.
Knop et al., 2010, Angewandte Chemie International Edition, 49, 6288-6308, DOI: 10.1002/anie.200902672, reviewed polyethylene glycol uses with n=0 human subjects because the article is a review. We cite this as technical literature background only, not as a product performance claim.
> Technical Specifications
| CAS Number | 25322-68-3 |
| Product Name | Polyethylene Glycol 4000 |
| Structural Formula |  |
| Common Abbreviations | PEG 4000; Macrogol 4000; Polyethylene glycol |
| Molecular Formula | Polymeric PEG, commonly represented as H(OCH2CH2)nOH |
| Molecular Weight | Average molecular weight about 3600-4400 |
| Appearance | White to almost white waxy solid or flakes |
| Purity | According to agreed specification and batch COA |
| Key Controls | Average molecular weight, hydroxyl value, water, appearance and agreed release tests |
| Storage | Keep closed in a dry, cool and ventilated area; protect from moisture |
> Sourcing and Supply Scope
Suzhou Pharmaceutical Technology Co., Ltd. supports evaluation and pilot quantities through the Suzhou technical team for evaluation and specification alignment. Commercial bulk requirements 25 kg packaging, pallet quantities or larger production campaigns are scaled up at qualified manufacturing facilities, with purchasing, documentation and logistics coordinated according to the agreed order scope.
Supported destinations include Brazil, Argentina, Colombia, Chile, Peru, Ecuador, Bolivia, Paraguay and Uruguay in South America, together with Australia, New Zealand, Mexico and Canada.
> Quality and Documentation
For Polyethylene Glycol 4000 CAS 25322-68-3, the normal documentation package includes COA and MSDS. COO can be arranged for pallet quantities and commercial export orders. Buyer-specific specifications should be reviewed before quotation so the supplied batch can be matched against the required quality profile.
> Packaging and Logistics
Packaging can be discussed as bag, drum or other suitable export format according to quantity and route. Labels, palletization and export documents are confirmed before shipment.
> Pricing and Lead Time
Pricing depends on specification, packaging, quantity, documentation scope, shipment route and destination. Please request a quote with CAS 25322-68-3, target grade, quantity, destination country, and whether the order is for evaluation or pilot quantity evaluation or 25 kg packaging, pallet quantities or larger production campaigns commercial bulk.
> Related Products
Related materials include PEG 1000, PEG 1500, hard fat, glycerol, hypromellose, lactose and other formulation ingredients.
> FAQ
What documents are normally available for Polyethylene Glycol 4000 CAS 25322-68-3?
COA and MSDS are normally prepared for Polyethylene Glycol 4000 CAS 25322-68-3. COO can be arranged for pallet quantities and commercial export orders when required.
Can Suzhou Pharmaceutical Technology Co., Ltd. support small PEG 4000 evaluation lots?
Yes. The Suzhou technical team supports evaluation and pilot quantities for ingredient evaluation, specification alignment, and formulation screening.
How are PEG 4000 orders for 25 kg packaging, pallet quantities or larger production campaigns handled?
Commercial bulk requirements for 25 kg packaging, pallet quantities or larger production campaigns are scaled up at qualified manufacturing facilities, with batch. Documentation and export coordination prepared for the agreed specification.
Do you supply PEG 4000 to South America?
Yes. We support B2B buyers in Brazil, Argentina, Colombia, Chile, Peru, Ecuador, Bolivia, Paraguay and Uruguay, as well as Australia, New Zealand, Mexico and Canada.
Which PEG 4000 aliases should buyers use in an RFQ?
Useful request names include Polyethylene Glycol 4000, PEG 4000, Macrogol 4000, Polyethylene glycol, CAS 25322-68-3, and Polietilenglicol 4000.
Which destinations outside South America are supported?
Australia, New Zealand, Mexico and Canada are supported for B2B Polyethylene Glycol 4000 inquiries, subject to shipment route and document review.
What specification details should be included in a PEG 4000 inquiry?
Please include average molecular-weight range, appearance, hydroxyl value if required, water limit, packaging, quantity, destination and timeline.
Can buyer-defined PEG 4000 specifications be reviewed?
Yes. Buyer-defined specifications can be reviewed before quotation, including molecular-weight range, hydroxyl value, water, appearance and release tests.
How should Polyethylene Glycol 4000 be stored?
Store PEG 4000 tightly closed in a dry, cool and ventilated area, protected from moisture and excessive heat, according to the MSDS.
Can PEG 4000 be discussed with other excipients?
Yes. Buyers can discuss PEG 4000 together with PEG 4000, hypromellose, hard fat, glycerol, lactose or other formulation ingredients.
> Request a Quote
For Polyethylene Glycol 4000 CAS 25322-68-3, send your target grade, quantity, destination country, documentation needs, packaging preference and procurement timeline to Info@fmyykj.com. Last reviewed: 2026-06-04.