Molekula
(1S)-(-)-alpha-Pinene
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
(1S)-(-)-alpha-Pinene is a naturally occurring terpene found in pine resin, used in fragrances, flavorings, and as a chemical intermediate. It is a colorless to pale yellow liquid with a strong pine odor. CAS: 7785-26-4, Molecular Formula: C10H16, Molecular Weight: 136.23 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies (1S)-(-)-alpha-Pinene 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
On backorder — expected to ship by 24 November 2026
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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100 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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1 kg — £218.00 per pack ex VAT · £261.60 inc. VAT
Need a different quantity or pack?
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 | Clear colourless liquid |
| Refractive Index | 1.4640 - 1.4680 |
| Colour (Pt-Co) | ≤35 |
| Water | ≤0.1% |
| Identification | Conforms to reference |
| Specific Gravity | 0.856 - 0.861 |
| Assay | ≥98.0% |
| Optical Rotation | up to -45° |
| Non-Volatile Matter | ≤1% |
| Acid Value (mg KOH/g) | ≤0.5 |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 33 °C |
| Transport Class | 3 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | -62 °C |
| Boiling Point | 155 to 157 °C at 760 mmHg |
Source: PubChem CID 440968 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 89992544 |
| CAS Number | 7785-26-4 |
| IUPAC Name | (1S,5S)-2,6,6-trimethylbicyclo[3.1.1]hept-2-ene |
| EC Number | 232-077-3 |
| Molecular Formula | C10H16 |
| Molecular Weight | 136.23 |
| Exact Mass | 136.1252 |
| SMILES | CC1=CC[C@H]2C[C@@H]1C2(C)C |
| InChIKey | GRWFGVWFFZKLTI-IUCAKERBSA-N |
| InChI | InChI=1S/C10H16/c1-7-4-5-8-6-9(7)10(8,2)3/h4,8-9H,5-6H2,1-3H3/t8-,9-/m0/s1 |
| PubChem CID | 440968 |
| UN Number | UN2368 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29021900 |
| Tariff Code | 2902190000 |
Safety & GHS
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Flammable
GHS02
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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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
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H410 Very 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+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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
- (-)-|A-pinene
- (-)-2-Pinene
- (-)-alpha-Pinene
- (1S,5S)-2,6,6-Trimethylbicyclo[3.1.1]hept-2-ene
- (1S,5S)-alpha-pinene
- (1S)-(-)-|A-Pinene
- (1S)-2,6,6-Trimethylbicyclo[3.1.1]hept-2-ene
- DL-ALPHA-PINENE
- FEMA NO. 2902, (-)-
- I+--Pinene, (-)-
Frequently asked questions
What is (1S)-(-)-alpha-Pinene used for?
It is commonly used as a fragrance ingredient, in essential oils, and as a starting material in organic synthesis.
What is the chemical formula and molecular weight of (1S)-(-)-alpha-Pinene?
The formula is C10H16 with a molecular weight of 136.23 g/mol.
How should (1S)-(-)-alpha-Pinene be stored?
It should be stored at ambient temperature, away from light and heat, in a tightly sealed container.
What grade of (1S)-(-)-alpha-Pinene does Molekula supply?
Molekula supplies (1S)-(-)-alpha-Pinene in technical grade, suitable for research and industrial applications.
Can Molekula supply (1S)-(-)-alpha-Pinene in bulk?
Yes, Molekula can supply (1S)-(-)-alpha-Pinene in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of (1S)-(-)-alpha-Pinene?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
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.