Molekula
Tween 80
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
Tween 80 is a non-ionic surfactant and emulsifier widely used in pharmaceuticals, cosmetics, and food processing to enhance solubility, stabilize emulsions, and improve texture. It is derived from polyoxyethylene sorbitan and oleic acid, making it a versatile additive in formulations requiring dispersion or wetting agents. Tween 80 has a CAS number of 9005-65-6 and is stored at ambient conditions. The product carries a Warning signal word under GHS classification. Molekula supplies Tween 80 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.
Often bought together
Pricing & pack sizes
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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1 L — £37.20 per pack ex VAT · £44.64 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 | Amber oily liquid |
| Water | ≤3.0% |
| Heavy metals | ≤0.001% |
| Identification | Conforms to reference |
| Residue on Ignition | ≤0.25% |
| Hydroxyl value (mgKOH/g) | 65 - 80 |
| Saponification Value (mgKOH/g) | 45 - 55 |
| Acid Value (mg KOH/g) | ≤2.2 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 113 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90004890 |
| CAS Number | 9005-65-6 |
| EC Number | 500-019-9 |
| Molecular Formula | N/A |
| SMILES | CCCCCCCCC=CCCCCCCCC(=O)OCCOCC(C1C(C(CO1)OCCO)OCCO)OCCO |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 34024210 |
| Tariff Code | 3402420090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P264 Wash thoroughly after handling
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
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 Tween 80 commonly used for?
Tween 80 is primarily used as a non-ionic surfactant, emulsifier, and wetting agent in pharmaceuticals, cosmetics, food, and agrochemical formulations.
What is the CAS number for Tween 80?
The CAS number for Tween 80 is 9005-65-6.
How should Tween 80 be stored?
Tween 80 should be stored at ambient temperature in a tightly sealed container, away from direct sunlight and moisture.
What grades of Tween 80 does Molekula supply?
Molekula supplies Tween 80 in pharmaceutical (EP/USP), cosmetic, and food-grade (E433) qualities, depending on your application requirements.
Can Molekula supply Tween 80 in bulk quantities?
Yes, Molekula can supply Tween 80 in bulk, with packaging options including drums (200L) and IBCs (1000L), subject to order volume and approval.
What documentation is provided with a Tween 80 order?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation to ensure compliance with regulatory standards.
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.