Molekula
alpha-Terpinene >85%
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Alpha-Terpinene >85% is a monoterpene hydrocarbon found in citrus oils, pine, and other essential oils, used primarily in fragrance formulations, flavorings, and as a solvent in industrial applications. It is a clear, colorless to pale yellow liquid with a fresh, citrusy aroma. CAS 99-86-5, molecular formula C10H16, molecular weight 136.23 g/mol. Store at -15 to -20°C in a cool, dry place. Signal word: Danger. Molekula supplies alpha-Terpinene >85% from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless to light yellow liquid |
| Density | 0.8330 - 0.8500 (20°C) |
| Refractive Index | 1.4730 - 1.4785 (20°C) |
| Identification | Conforms to Reference |
| Purity | ≥ 89.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Flash Point | 50 °C |
| Transport Class | 3 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90037579 |
| CAS Number | 99-86-5 |
| IUPAC Name | 1-methyl-4-propan-2-ylcyclohexa-1,3-diene |
| EC Number | 202-795-1 |
| Molecular Formula | C10H16 |
| Molecular Weight | 136.23 |
| Exact Mass | 136.1252 |
| SMILES | CC1=CC=C(CC1)C(C)C |
| InChIKey | YHQGMYUVUMAZJR-UHFFFAOYSA-N |
| InChI | InChI=1S/C10H16/c1-8(2)10-6-4-9(3)5-7-10/h4,6,8H,5,7H2,1-3H3 |
| PubChem CID | 7462 |
| UN Number | UN2319 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29021900 |
| Tariff Code | 2902190000 |
Safety & GHS
-
Flammable
GHS02
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H226 Flammable liquid and vapour
- H302 Harmful if swallowed
- H304 May be fatal if swallowed and enters airways
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P331 Do NOT induce vomiting
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 1-Isopropyl-4-methyl-1,3-cyclohexadiene
- 1-isopropyl-4-methylcyclohexa-1,3-diene
- 1-Methyl-4-(1-methylethyl)-1,3-cyclohexadiene
- 1-methyl-4-propan-2-ylcyclohexa-1,3-diene
- 1,3-Cyclohexadiene, 1-methyl-4-(1-methylethyl)-
- a-terpinene
- alpha-Terpinen
- FEMA No. 3558
- p-Mentha-1,3-diene
- Terpilene
Frequently asked questions
What is alpha-Terpinene >85% commonly used for?
Alpha-Terpinene is primarily used in fragrance formulations, flavorings, and as a precursor in synthesis, for example to para-cymene by dehydrogenation and to ascaridole by photosensitised oxidation with singlet oxygen.
What is the chemical formula and molecular weight of alpha-Terpinene?
The chemical formula is C₁₀H₁₆, and the molecular weight is 136.23 g/mol.
How should alpha-Terpinene >85% be stored?
Store at -15 to -20°C to maintain stability and prevent degradation.
What purity grades of alpha-Terpinene does Molekula supply?
Molekula supplies alpha-Terpinene at >85% purity as specified.
Can Molekula supply alpha-Terpinene in bulk quantities?
Yes, Molekula can supply alpha-Terpinene in bulk, with quantities tailored to your requirements.
What documentation is provided with an order of alpha-Terpinene?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
Is alpha-Terpinene >85% dangerous goods for shipping?
Yes. alpha-Terpinene >85% ships as dangerous goods: UN2319, class 3, packing group III.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.