Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Tall Oil (Fatty Acids)
CAS: 61790-12-3
Alias: TOFA, Tall Oil Fatty Acids
Category: Renewable fatty acid mixture, industrial surfactant, coating monomer
Composition (Typical)
- Oleic acid (C18:1): 40–60%
- Linoleic acid (C18:2): 30–50%
- Rosin acids: 2–5% (max 9% for grades)
- Unsaponifiables: 1–3%
Physical & Chemical Properties
- Appearance: Yellow to amber oily liquid
- Density: 0.91–0.95 g/cm3 (25°C)
- Melting Point: 12–25°C
- Solubility: Insoluble in water; soluble in ethanol, acetone, chloroform
- Acid Value: 187–195 mg KOH/g
- Stability: Prone to oxidation (unsaturated bonds); avoid high heat/air
- Storage: Sealed, cool/dry, away from oxidants
Specification (Industrial Grade)
| Item | Standard | Unit | Test Method |
| Appearance | Yellow clear liquid | – | Visual |
| Acid Value | 190 min | mg KOH/g | ASTM D1980 |
| Rosin Acids | ≤3 | % | GC |
| Moisture | ≤0.2 | % | KF |
| Color (Gardner) | ≤5 | – | ASTM D1544 |
Main Applications
- Resins: Alkyd, epoxy, polyamide curing agents
- Lubricants: Metalworking fluids, synthetic esters, anti-wear additives
- Surfactants: Emulsifiers, soaps, detergents
- Coatings: Paints, inks, drying agents
- Oilfield: Corrosion inhibitors, flotation agents
- Bio-based: Biodiesel, biodegradable plastics
Production Note
Byproduct of kraft pulping (pine wood); crude tall oil is distilled to separate fatty acids, rosin, and unsaponifiables。
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