Molekula
Polyethyleneglycol 8000
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Polyethyleneglycol 8000 (PEG 8000) is a high-molecular-weight polyether compound widely used as a solvent, ointment base, and excipient in pharmaceuticals, cosmetics, and food applications. It also serves as a lubricant in medical and industrial settings, and as a precipitating agent for proteins, viruses and DNA in laboratory work. This non-toxic, water-soluble polymer has a CAS number of 25322-68-3, general molecular formula H(OCH2CH2)nOH, and requires storage at ambient conditions. It carries no hazard signal word.
Molekula supplies Polyethyleneglycol 8000 in 100 g packs, from £31.56 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £26.30 per pack ex VAT · £31.56 inc. VAT
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
| Property | Value |
|---|---|
| Appearance | White powder |
| pH | 4.5 - 7.0 |
| Colour | 0 - 50 |
| Moisture | ≤1.0% |
| Mesh | 90 - 100 |
| Hydroxyl value (mgKOH/g) | 12.5 - 16.5 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 78444399 |
| CAS Number | 25322-68-3 |
| Molecular Formula | H(OCH2CH2)nOH |
| Molecular Weight | - |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 3907.29.00.00 |
| Tariff Code | 3907291190 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Polyethyleneglycol 8000 (PEG 8000) commonly used for?
PEG 8000 is widely used as a precipitating agent for proteins, viruses and DNA in the laboratory, in pharmaceutical formulations as an ointment base, and as a solvent or thickening agent in cosmetics, food, and industrial applications.
What is the chemical formula and molecular weight of PEG 8000?
The chemical formula is H(OCH₂CH₂)ₙOH, where n is approximately 180 (average). The molecular weight is ~8,000 g/mol (exact value may vary by batch).
How should Polyethyleneglycol 8000 be stored?
Store PEG 8000 in a tightly sealed container at ambient temperature, away from moisture and strong oxidizing agents.
What specification does Molekula's PEG 8000 meet?
Molekula supplies PEG 8000 as a white powder with pH 4.5 - 7.0, colour 0 - 50, moisture ≤1.0%, mesh 90 - 100 and a hydroxyl value of 12.5 - 16.5 mgKOH/g.
Can Molekula supply PEG 8000 in bulk quantities?
Yes, Molekula can provide PEG 8000 in bulk quantities (drums, totes, or custom packaging)—please contact us for specific volume inquiries.
What documentation comes with an order of PEG 8000?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Where can I buy Polyethyleneglycol 8000?
Directly from Molekula, which lists Polyethyleneglycol 8000 in 100 g packs from £31.56 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.