Oleth-5 CAS 5353-27-5 is oleyl alcohol ethoxylate (5 EO units), non-ionic surfactant with HLB 10-11. It is widely used as co‑emulsifier, solubilizer and dispersant for cosmetic creams, lotions and hair-care formulations.
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Product Name: Oleth-5
CAS No: 5353-27-5
INCI Name: Oleth-5
Synonyms: Oleyl Alcohol Polyoxyethylene-5 Ether, Pentaethylene glycol oleyl ether
Molecular Formula: C₂₈H₅₆O₆
Molecular Weight: 488.74 g/mol
1. Chemical-Physical Properties
Appearance Pale yellow oily liquid
HLB Value 10-11
Density (25℃) 0.94‑0.96 g/cm³
Solubility Dispersible / partially soluble in water; soluble in oils, alcohols, esters
Iodine Value 48-62 gI₂/100g
2. Quality Specification (Cosmetic Grade)
| Test Item | Specification |
|---|---|
| Hydroxyl Value (mgKOH/g) | 105‑120 |
| Moisture (%) | ≤0.5 |
| Acid Value (mgKOH/g) | ≤1.0 |
| Saponification Value (mgKOH/g) | ≤2.0 |
| Color (APHA) | ≤200 |
| Free Oleyl Alcohol (%) | 18‑28 |
3. Application
Cosmetic field: Non-ionic surfactant, O/W co-emulsifier, solubilizer and dispersant for cream, lotion, hair care products.
Improve spreading property of cosmetic formulations, good compatibility with other surfactants.Industrial use: emulsifier for metalworking fluid, lubricant additive, textile auxiliaries.
4. Packing, Transportation & Storage
Packing: 200 kg iron drum
Storage: Keep sealed, cool and dry warehouse, avoid high temperature.
Shelf-life: 12 months under original sealed condition.
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