γ-Terpinene
γ-Terpinene (CAS: 99-85-4, C10H16, MW: 136.23) is a naturally occurring cyclic monoterpene. It is a clear, colorless to faintly yellow liquid found in various plant essential oils. Known for its characteristic aroma, it serves as a valuable building block in chemical synthesis and finds applications in research and development within cell biology. Its chemical properties make it a useful intermediate for creating more complex molecules.
- IUPAC
- 1-Isopropyl-4-methyl-1,4-cyclohexadiene,p-Mentha-1,4-diene,gamma-Terpinene
- Synonyms
- 1-Isopropyl-4-methyl-1,4-cyclohexadienep-Mentha-1,4-dienegamma-Terpinene

Chemical Synthesis Intermediate
γ-Terpinene is utilized as a precursor and building block in organic synthesis, enabling the creation of various complex organic molecules and fine chemicals.
Research and Development
This compound is employed in laboratory settings for research purposes, particularly in fields such as cell biology and the study of natural products.
Aroma and Fragrance Component
Due to its natural occurrence and distinct scent profile, γ-Terpinene can be a component in fragrance formulations or studied for its olfactory properties.
| Molecular weight | 136.23 |
|---|---|
| Empirical formula | C10H16 |
| Assay | 97% |
| Boiling point | 182 °C(lit.) |
| Density | 0.85 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.474(lit.) |
| Solubility | water: soluble5%, clear, colorless to faintly yellow |
| Vapour pressure | ~0.7 mmHg (20 °C) |
| Vapour density | 4.7 (vs air) |


Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 50 °C / 122 °F |
| Transport (UN / ADR) | UN 2319 3 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is γ-Terpinene used for?
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γ-Terpinene is used as a chemical synthesis intermediate, a building block in organic chemistry, and in research and development, particularly in cell biology and studies of natural products.
What are the CAS number and formula for γ-Terpinene?
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The CAS number for γ-Terpinene is 99-85-4, and its chemical formula is C10H16.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies γ-Terpinene with an assay of 97%. This product is intended for research and technical use and is not represented as USP, BP, EP, or pharmacopoeia grade.
What are the primary hazards associated with γ-Terpinene?
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γ-Terpinene is a flammable liquid and vapour (H226), causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment including eyeshields, gloves, and suitable respiratory protection in a well-ventilated area.
How is γ-Terpinene packed and shipped?
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γ-Terpinene is packed according to safety regulations for flammable liquids and hazardous substances. It is suitable for global export by Tech Serve Solutions.
How can I request a sample or quote for γ-Terpinene?
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To request a sample or a quote for γ-Terpinene, please contact our sales department through the website or by phone, providing your specific requirements.
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