Overview
Abietic acid (CAS 514-10-3 ), also known commercially as Sylvic acid, is the primary resin acid derived from pine rosin and serves as a foundational raw material across adhesive, coating, and surface treatment applications.
It functions as a tackifier, emulsifier, and film-forming agent, giving formulators a bio-based building block with strong substrate adhesion characteristics. In adhesives and sealants, it is used to build tack and cohesive strength.
Pressure-sensitive and hot-melt formulations benefit from its inclusion. Printing ink manufacturers rely on it as a resin component that controls viscosity, pigment dispersion, and ink adhesion to paper and packaging substrates.
In surface coatings, it contributes to film formation and acts as a wetting agent that improves substrate coverage in alkyd and varnish systems. Personal care formulators incorporate it into cosmetic bases for texture modification.
This material is supplied as an off-white to pale yellow powder or crystalline solid. It is available in technical grade, which covers the majority of industrial adhesive, ink, and coating applications.
Rosin-derived grades vary in purity and acid value, and buyers should confirm specification sheets against their formulation requirements. This ensures the material meets the necessary performance standards for the end product.
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Physical Properties
| Melting Point | 173.5 °C |
| Boiling Point | 172-173 °C |
| Density | 1.06 g/cm³ |
| Flash Point | 208°C |
| Appearance | yellow resinous powder, crystals or chunks |
| Color | Yellow-brownish |
| Odor | at 100.00?%. mild acetic |
| Form | Crystals and Chunks |
| Water Solubility | Soluble in acetone, petroleum ether, diethyl ether and ethanol. Insoluble in water. |
| Refractive Index | 1.4800 (estimate) |
| Log P | 6.460 |
Safety & Handling
Warning GHS07 GHS09 Hazard Statements H315 Causes skin irritation H319 Causes serious eye irritation H335 May cause respiratory irritation H400 Very toxic to aquatic life Precautionary Statements P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P391 Collect spillage. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29162090 |
| UN Number | 3077 |
| ADR Class | 9 |
| Packing Group | III |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 514-10-3
- EC Number
- 208-178-3
- Mol. Weight
- 302.5
- HS Code
- 29162090
- Category
- Flavors & Fragrances