Product name: Tween 60 (Polysorbate 60)
CAS‑No.: 9005‑67‑8
EC‑No.: 500‑020‑4Chemical Name: Polyoxyethylene (20) sorbitan monostearate
Approximate Molecular Weight: 1311.68 g/mol
HLB value: 14.5
Synonyms: Polysorbate 60, T‑60, Polyoxyethylene sorbitan monostearate
INCI Name: Polysorbate 60
1. Physico‑Chemical Properties
Melting Point 45‑50 ℃
Flash Point >149 ℃ (closed cup)Density @25℃ 1.05‑1.10 g/cm³
Solubility Soluble in warm water, ethanol, isopropanol; insoluble in mineral oil and vegetable oil
Stability Stable under normal conditions. Incompatible with strong oxidizing agents. Compatible with most anionic, cationic and non‑ionic surfactants.
2. Product Specification (Industrial / Cosmetic / Food / Pharma Grade)
| Item | Specification |
|---|---|
| Appearance @25℃ | Pale yellow to amber waxy paste or viscous liquid |
| Acid Value | ≤2.0 mgKOH/g |
| Saponification Value | 40‑55 mgKOH/g |
| Hydroxyl Value | 80‑105 mgKOH/g |
| Water Content | ≤3.0 % |
| pH (5% aqueous solution) | 5.0‑7.0 |
| Residue on Ignition | ≤0.2 % |
3. Main Applications
Cosmetics & personal‑care: O/W emulsifier, stabilizer, solubilizer for creams, lotions and hair‑care products, often compounded with Span 60.
Food industry (E435): Food emulsifier and stabilizer for baked goods, ice‑cream, non‑dairy creamer, conforms to FCC & FDA 21CFR 172.836.Pharmaceutical excipient: Emulsifier and solubilizer for oral and topical preparations (USP/EP/ChP grade available).
Textile industry: Softener, antistatic agent and dyeing auxiliary for synthetic fibers.
Industrial field: Emulsifier for agrochemicals, water‑based coatings.
4. Storage & Handling
Store in cool, dry, well‑ventilated warehouse. Keep container tightly sealed.
Avoid direct sunlight and high temperature. Product will turn solid under low temperature; warm gently before use.Shelf‑life: 24 months in original sealed packaging.
5. Packaging
220 kg iron drum / IBC tote tank.
Disclaimer: This Technical Data Sheet is for reference only. Actual values shall be subject to batch‑specific Certificate of Analysis. Please refer to Safety Data Sheet for safety‑related information.
Polysorbate 20 (polyoxyethylene (20) sorbitan monolaurate) CAS 9005-64-5
Polysorbate 40 (polyoxyethylene (20) sorbitan monopalmitate) CAS 9005-66-7
Polysorbate 60 (polyoxyethylene (20) sorbitan monostearate) CAS 9005-67-8
Polysorbate 80 (polyoxyethylene (20) sorbitan monooleate) CAS 9005-65-6
( The number 20 following the 'polyoxyethylene' part refers to the total number of oxyethylene -(CH2CH2O)- groups found in the molecule. The number following the 'polysorbate' part is related to the type of fatty acid associated with the polyoxyethylene sorbitan part of the molecule. Monolaurateis indicated by 20, monopalmitate is indicated by 40, monostearate by 60, and monooleate by 80.)
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