Dipentene (Natural)
Dipentene (also called D-Limonene), is a terpene liquid found in various volatile oils such as cardamon, mace, nutmeg , turpentine oil. Dipentene is mainly composed of Limonene, beta-Phellandrene, Myrcene and other terpenes.
Substance Identification
| Synonyms | 138-86-3N | D-Limonene |
| CAS | 138-86-3 |
| EINECS | 205-341-0 |
| FEMA | 2633 |
| HS.CODE | 294200 |
| Molecular Formula | C10H16 |
| Molecular Weight | 136.23 |
Application & Uses
- used as a solvent for resins, alkyds and waxes and to make paints, enamels, lacquers and polishes
- used as a perfumery composition for soaps, personal care products and cosmetics
- used as an intermediate for terpene resins, carvone, terylene, and rubber chemicals. It is used as an oils dispersant, metal dryer
- used as a substitute for chlorinated solvents in degreasing metals for cleaning in the electronic industry
- used as starting material for the synthesis of terpene resin. alpha-Limonene
- used as a gallstone solubilizer in pharmaceutical industry.
Features & Benefits
- A special pleasant aroma
- a cyclic Terpene
- disolve anhydrous ethanol, ether, chloroform and other organic solvents and insoluble in water
Sales Specification
| ITEM | VALUE | TEST METHOD & UNIT |
|---|---|---|
| Appearance | Colorless to light yellow clear liquid | |
| Odor | Lemon, pines | |
| Content of Total Terpenes | 95 | % |
| Distillation Range | 95 | @170~190°C, % |
| Refractive Index | 1.460 to 1.490 | @n20/D |
| Relative Density | 0.840 to 0.875 | @d20/4 |
Q&A
How does natural dipentene differ from d-limonene, and when is each the more suitable choice?
Natural dipentene (CAS 138-86-3) is a racemic terpene mixture derived from turpentine containing phellandrene and myrcene alongside limonene, whilst d-limonene (CAS 5989-27-5) is a single optical isomer typically sourced from citrus peel. Both share C10H16 chemistry and overlapping solvency, but dipentene typically offers a woody-pine fragrance character and broader terpene solvency suited to industrial applications, whereas d-limonene tends to provide a cleaner citrus profile preferred in fragrance and food-contact formulations.
In what applications does dipentene's mixed terpene composition offer practical advantages over a single-isomer solvent?
The multi-terpene composition provides a broader solvency spectrum (KB value approximately 60–100) that tends to outperform single-isomer solvents on complex substrates such as rubber-based coatings (CR, SBR) and aged alkyd films, where high-boiling components like terpinolene prolong wetting and penetration time. In terpene resin synthesis, the mixture of reactive terpenes typically yields resin structures with more varied molecular weight distributions than d-limonene alone.
How does the turpentine-based supply of natural dipentene compare with citrus-origin d-limonene for long-term procurement planning?
Natural dipentene derives from managed pine plantations with harvest cycles independent of food crop production, whilst d-limonene supply is tied to citrus juice processing and has historically experienced volatility from weather events and citrus greening disease in major producing regions.
Similar Specs
GHS Hazard Statements
| H-Code | H226/315/317/410 |
| P-Code | P233/240/241/242/243/261/264/272/273/280 |
| Response | P303+P361+P353 P333+P313 P370+P378 P391 |
| Storage | P403+P235 |
| Disposal | P501 |
Storage
- containers which are opened must be carefully resealed and kept upright to prevent leakage
- keep container tightly closed in a dry and well-ventilated place
- store in cool place
Relation Products
Relation Articles
- Dipentene and Limonene: Relationship, Bio‑Sourcing and Market Applications
- Citrus forecast steady as growers await aid
- Dipentene, a low-cost substitute or extender for Citrus D-Limonene
- Hurricane Irma Will Make Orange Juice Unaffordable and Destroy Your Grocery Bill
- Dipentene, an effective, safe, biodegradable cleaning and degreasing material
- Natural Methods to Clean Hardwood Floors
- What are the natural terpenes
- What are the natural terpenes (2)
- What is Terpene Resins?
Remark
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