Suzhou Pharmaceutical Technology Co., Ltd. (China) supplies Propylene Glycol CAS 57-55-6 for pharmaceutical B2B procurement — COA, MSDS, and technical documentation available on request.
> Product Overview
Propylene Glycol (PG, CAS 57-55-6) is a colorless liquid used as a solvent and ingredient where buyers need control of assay, water, acidity, appearance, COA/MSDS documentation, and export coordination. Suzhou Pharmaceutical Technology Co., Ltd. supports sourcing for B2B evaluation, formulation screening, and commercial procurement programs.
This page is a technical procurement reference for Propylene Glycol CAS 57-55-6, not a therapeutic or regulatory approval claim.
> Applications and Technical Reference
Propylene Glycol is discussed in formulation literature as a solvent, humectant and vehicle in buyer-defined systems. Suitability depends on specification, process, compatibility, route of use, and internal evaluation.
A technical safety and formulation journal review published in 2014, DOI: 10.1016/j.yrtph.2014.05.003, discussed propylene glycol with n=0 human subjects because it was a review. We cite this as technical literature background only, not as a product performance claim.
> Technical Specifications
| CAS Number | 57-55-6 |
| Product Name | Propylene Glycol |
| Structural Formula |  |
| InChIKey | DNIAPMSPPWPWGF-UHFFFAOYSA-N |
| SMILES | CC(CO)O |
| Molecular Formula | C3H8O2 |
| Molecular Weight | 76.09 |
| Appearance | Clear colorless liquid |
| Purity | According to agreed specification and batch COA |
| Storage | Keep closed in a dry, cool and ventilated area |
> 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 Propylene Glycol CAS 57-55-6, 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 bottle, drum, IBC 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 57-55-6, 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 glycerol, ethanol, isopropyl myristate, N-methylpyrrolidone, dimethylacetamide and other formulation ingredients.
> FAQ
What documents are normally available for Propylene Glycol CAS 57-55-6?
COA and MSDS are normally prepared for Propylene Glycol CAS 57-55-6. COO can be arranged for pallet quantities and commercial export orders when required.
Can Suzhou Pharmaceutical Technology Co., Ltd. support small PG evaluation lots?
Yes. The Suzhou technical team supports evaluation and pilot quantities for ingredient evaluation, specification alignment, and formulation screening.
How are Propylene Glycol 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 Propylene Glycol 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 Propylene Glycol aliases should buyers use in an RFQ?
Useful request names include Propylene Glycol, 1,2-Propanediol, Propane-1,2-diol, PG, Propilenglicol and CAS 57-55-6.
Which destinations outside South America are supported?
Australia, New Zealand, Mexico and Canada are supported for B2B Propylene Glycol inquiries, subject to shipment route and document review.
What specification details should be included in a PG inquiry?
Please include assay target, water limit, acidity, density or related tests, packaging, quantity, destination and timeline.
Can buyer-defined Propylene Glycol specifications be reviewed?
Yes. Buyer-defined specifications can be reviewed before quotation, including assay, water, acidity, appearance and other agreed release tests.
How should Propylene Glycol be stored?
Store Propylene Glycol tightly closed in a dry, cool and ventilated area, protected from heat and incompatible materials, according to the MSDS.
Can Propylene Glycol be discussed with other solvents?
Yes. Buyers can discuss Propylene Glycol together with glycerol, ethanol, isopropyl myristate, N-methylpyrrolidone or other formulation ingredients.
> Request a Quote
For Propylene Glycol CAS 57-55-6, send your target grade, quantity, destination country, documentation needs, packaging preference and procurement timeline to Info@fmyykj.com. Last reviewed: 2026-06-04.