Molekula
Methoxypolyethylene epoxide, PEG average Mn 750
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
Methoxypolyethylene epoxide, PEG average Mn 750 is a hydrophilic polyether used as a PEGylation reagent and as a building block or macroinitiator for the synthesis of block copolymers and surfactants. It is a polyethylene glycol derivative with a methoxy group at one end, and it is water-soluble and hydrophilic. This chemical has a CAS number of 9004-74-4 and the molecular formula CH3(OCH2CH2)nOH. It is stored at ambient conditions and carries no signal word for hazard classification. Molekula supplies Methoxypolyethylene epoxide, PEG average Mn 750 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.
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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.
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Specifications
| Property | Value |
|---|---|
| Appearance | White to light yellow paste |
| Identification | Conforms to reference |
| pH | 5.0 - 7.0 |
| Moisture | ≤ 1.0% |
| Hydroxyl value (mgKOH/g) | 70 -80 mgKOH/g |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 182 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90037359 |
| CAS Number | 9004-74-4 |
| Molecular Formula | CH3(OCH2CH2)nOH |
| Molecular Weight | N/A |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 39072911 |
| Tariff Code | 3907292090 |
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 methoxypolyethylene epoxide (PEG average Mn 750) commonly used for?
This product is used as a PEGylation reagent and as a reactive intermediate, building block or macroinitiator in polymer synthesis, including the preparation of block copolymers and surfactants.
What is the chemical formula and molecular weight of PEG average Mn 750?
The general formula is CH₃(OCH₂CH₂)ₙOH, where n varies to achieve an average molecular weight (Mn) of 750 g/mol (exact MW distribution may vary due to polymerization).
How should methoxypolyethylene epoxide (PEG 750) be stored?
Store in a cool, dry place at ambient temperature, tightly sealed in the original container to prevent moisture absorption and contamination.
What grades or purity levels of PEG average Mn 750 does Molekula supply?
Molekula supplies technical-grade and pharmaceutical-grade (if applicable) PEG 750, with specifications meeting industry standards for purity and consistency.
Can Molekula supply methoxypolyethylene epoxide in bulk quantities?
Yes, we offer bulk packaging options (drums, IBCs, or custom solutions) for PEG 750 to meet large-scale production or R&D requirements.
What documentation is provided with an order of PEG average Mn 750?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation to ensure traceability and compliance.
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