Molekula
Capsaicin
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Capsaicin is a naturally occurring alkaloid responsible for the spicy heat in chili peppers. It also serves as a food flavoring, the active ingredient in pepper spray, a biochemical animal and insect repellent for crops, and a neurobiological research tool. It is widely used in pharmaceuticals, dietary supplements, and topical pain relief products. Available with CAS number 404-86-4, molecular formula C18H27NO3, and molecular weight 305.41 g/mol, it must be stored between 2 to 8 °C. This product is classified as Danger. Molekula supplies Capsaicin 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
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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1 g — £77.40 per pack ex VAT · £92.88 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 | Almost white to light yellow crystalline powder |
| Loss on Drying | ≤ 1% |
| Capsaicin | ≥ 55% |
| Dihydrocapsaicin | ≥ 20% |
| Capsaicinoids | 90-110% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Flash Point | 112 °C |
| Transport Class | 6.1 |
| Packing Group | II |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Pure dark red solid |
| Odour | Highly volatile with a pungent odor |
| Melting Point | 65 °C |
| Boiling Point | 210 to 220 °C at 0.01 mmHg |
| Solubility (other solvents) | Freely soluble in alcohol, ether, benzene. Slightly soluble in carbon disulfide |
| Vapour Pressure | 0.00000001 mmHg |
| log P (octanol/water) | 3.04 |
Source: PubChem CID 1548943 (HSDB, Human Metabolome Database (HMDB), Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 31397045 |
| CAS Number | 404-86-4 |
| IUPAC Name | (E)-N-[(4-hydroxy-3-methoxyphenyl)methyl]-8-methylnon-6-enamide |
| EC Number | 206-969-8 |
| Molecular Formula | (CH3)2CHCH=CH(CH2)4CONHCH2C6H3(OH)(OCH3) |
| Molecular Weight | 305.41 |
| Exact Mass | 305.1991 |
| SMILES | CC(C)/C=C/CCCCC(=O)NCC1=CC(=C(C=C1)O)OC |
| InChIKey | YKPUWZUDDOIDPM-SOFGYWHQSA-N |
| InChI | InChI=1S/C18H27NO3/c1-14(2)8-6-4-5-7-9-18(21)19-13-15-10-11-16(20)17(12-15)22-3/h6,8,10-12,14,20H,4-5,7,9,13H2,1-3H3,(H,19,21)/b8-6+ |
| PubChem CID | 1548943 |
| UN Number | UN1544 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2939790000 |
| Tariff Code | 2939799090 |
Safety & GHS
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Corrosive
GHS05
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Toxic
GHS06
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Serious Health Hazard
GHS08
Hazard statements
- H300 Fatal if swallowed
- H311 Toxic in contact with skin
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- 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.
Synonyms
- Ausanil
- Axsain
- CAPSAICINE
- Isodecenoic acid vanillylamide
- Mioton
- Qutenza
- Styptysat
- trans-8-Methyl-N-vanillyl-6-nonenamide
- trans-Capsaicin
- Zostrix
Frequently asked questions
What is capsaicin used for?
Capsaicin is primarily used in research and development for studies related to pain perception, inflammation, and as a component in topical analgesics and pepper spray formulations.
What is the chemical formula and molecular weight of capsaicin?
The formula is (CH3)2CHCH=CH(CH2)4CONHCH2C6H3(OH)(OCH3) with a molecular weight of 305.41 g/mol.
How should capsaicin be stored?
Capsaicin should be stored at 2 to 8 °C, protected from light and moisture, and kept in a tightly sealed container.
What grade of capsaicin does Molekula supply?
Molekula supplies capsaicin in research-grade purity, suitable for laboratory use and scientific applications.
Can Molekula supply capsaicin in bulk quantities?
Yes, Molekula can supply capsaicin in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a capsaicin order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), with additional documentation available upon request.
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.