Introduction
Turpentine (CAS No.: 8006-64-2): A Natural Hydrocarbon Mixture
1. Overview
| Property |
Details |
| CAS Number |
8006-64-2 |
| Chemical Name |
Turpentine (Crude Sulphate Turpentine) |
| Synonyms |
Gum Turpentine, Wood Turpentine, Pine Oil |
| Source |
Distillation of pine resin from coniferous trees (e.g., Pinus species) |
| Composition |
~60% α-pinene + β-pinene; minor terpenes (limonene, camphene) |
| Production Method |
Steam distillation of resin; sulfate pulp byproduct (lignin recovery) |
2. Chemical & Physical Properties
| Attribute |
Specification |
| Molecular Formula |
Mixture of C₁₀H₁₆ terpenes (no single formula) |
| Appearance |
Colorless to pale yellow oily liquid; distinct pine odor |
| Density |
~0.86 g/cm³ |
| Boiling Point |
154–172°C (fractionated range) |
| Solubility |
Insoluble in water; miscible with ethanol, ether, chloroform |
| Flash Point |
35°C (closed cup) |
3. Applications
| Industry |
Uses |
| Paints & Coatings |
Solvent in varnishes, lacquers, and thinners |
| Pharmaceuticals |
Starting material for synthetic camphor, menthol, and fragrances |
| Household Products |
Cleaner, polish, and insecticide component |
| Agriculture |
Plant growth regulator; fruit ripening agent |
| Biofuels |
Renewable feedstock for terpenic biodiesel |
4. Safety & Handling
| Aspect |
Guidelines |
| Hazard Classification |
Flammable liquid (GHS Category 3); skin/eye irritant |
| Storage |
Cool, dry, well-ventilated area; away from heat/sparks |
| Incompatibility |
Strong oxidizers, acids (polymerization risk) |
| PPE |
Chemical goggles, nitrile gloves, and flame-retardant clothing |
| Spill Response |
Absorb with inert material; avoid water runoff |
5. Market Dynamics
| Region |
Growth Drivers |
| Asia-Pacific |
Rising demand for eco-friendly solvents in coatings |
| Europe |
Transition to bio-based chemicals; pharmaceutical intermediates |
| North America |
Growth in household cleaner formulations; terpenoid derivatives |
| Global Projection |
Expected CAGR of 4.5% (2024–2030); driven by sustainability trends |
Conclusion
Turpentine (CAS No. 8006-64-2) is a versatile, renewable feedstock with applications spanning industrial solvents, pharmaceuticals, and biofuel innovation. Its natural origin and biodegradable properties align with global sustainability goals, driving demand in eco-conscious sectors. While flammability and volatility pose handling challenges, advances in fractionation and purification are expanding its utility in high-value derivatives. Market growth is further buoyed by its cost-effectiveness compared to synthetic alternatives.
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