Molekula
Methoxy polyethylene glycol (average Mn 550)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Methoxy polyethylene glycol (average Mn 550) is a non-ionic surfactant and polymer used primarily in pharmaceutical formulations, cosmetics, and as a solubilizing agent for poorly water-soluble drugs. It improves drug bioavailability, enhances stability, and acts as a lubricant or emulsifier in industrial applications. Catalogue details include CAS 9004-74-4, molecular formula CH3(OCH2CH2)nOH, and storage at ambient conditions with no signal word warnings. Molekula supplies Methoxy polyethylene glycol (average Mn 550) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 268 °C |
Identification
| Property | Value |
|---|---|
| SKU | 90038002 |
| CAS Number | 9004-74-4 |
| Molecular Formula | CH3(OCH2CH2)nOH |
| Molecular Weight | N/A |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 3907.29.00.00 |
| Tariff Code | 3907291190 |
Safety & GHS
Detailed safety information available in the SDS — see Documents below.
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Methoxy polyethylene glycol (average Mn 550) commonly used for?
This compound is widely used as a surfactant, solubilizer, and excipient in pharmaceutical formulations, cosmetics, and as a reagent in organic synthesis.
What is the chemical formula and molecular weight of Methoxy polyethylene glycol (average Mn 550)?
The chemical formula is **CH₃(OCH₂CH₂)ₙOH**, but the exact molecular weight (MW) varies due to its polymeric nature (average Mn = 550).
How should Methoxy polyethylene glycol (average Mn 550) be stored?
Store in a tightly sealed container at ambient temperature, away from moisture and strong oxidizing agents.
What grades or purity levels are available for this product?
Molekula supplies this product in **pharmaceutical-grade and industrial-grade purity**, with typical assay ≥99% for pharmaceutical applications.
Can Molekula supply Methoxy polyethylene glycol (average Mn 550) in bulk quantities?
Yes, we offer bulk packaging options (e.g., 5kg, 25kg drums, or larger quantities) based on customer requirements—contact us for specific inquiries.
What documentation is provided with an order of Methoxy polyethylene glycol (average Mn 550)?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.