Molekula
Caffeine
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
Caffeine is a stimulant alkaloid commonly used in pharmaceuticals, beverages, and dietary supplements. It acts as a central nervous system stimulant and is valued for its ability to enhance alertness and reduce fatigue. Available in high purity, it is suitable for research and industrial applications. CAS: 58-08-2, Molecular Formula: C8H10N4O2, Molecular Weight: 194.19 g/mol, Storage: Ambient, Signal Word: Warning.
Molekula supplies Caffeine at ≥99.0% purity in 1 kg packs, from £109.80 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
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 kg — £91.50 per pack ex VAT · £109.80 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 | White powder |
| Melting Point | 234-237.5°C |
| Identification | Conforms to reference |
| Loss on Drying | ≤0.5% |
| Assay | ≥99.0% |
| Sulphated Ash | ≤0.2% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White, prismatic crystals |
| Odour | Odorless |
| Melting Point | 236.2 °C |
| Boiling Point | 178 °C (sublimes) |
| Water Solubility | 21.6 g/L at 25 °C |
| Solubility (other solvents) | Soluble in pyridine |
| Vapour Pressure | 9.0 × 10⁻⁷ mmHg at 25 °C (Extrapolated) |
| pKa | pKa = 14 |
| log P (octanol/water) | -0.07 |
Source: PubChem CID 2519 (HSDB, ICSC, DrugBank)
Identification
| Property | Value |
|---|---|
| SKU | 10411128 |
| CAS Number | 58-08-2 |
| IUPAC Name | 1,3,7-trimethylpurine-2,6-dione |
| EC Number | 200-362-1 |
| Molecular Formula | C8H10N4O2 |
| Molecular Weight | 194.19 |
| Exact Mass | 194.0804 |
| SMILES | CN1C=NC2=C1C(=O)N(C(=O)N2C)C |
| InChIKey | RYYVLZVUVIJVGH-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(14)11(6)2/h4H,1-3H3 |
| PubChem CID | 2519 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29393000 |
| Tariff Code | 293930000000 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H332 Harmful if inhaled
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- 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
- P302+352 IF ON SKIN: Wash with soap and water
- 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, 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
- 1,3,7-Trimethylxanthine
- Cafeina
- Caffein
- Cafipel
- Guaranine
- Koffein
- Mateina
- Methyltheobromine
- Thein
- Theine
Frequently asked questions
What is caffeine used for?
Caffeine is commonly used as a stimulant in pharmaceuticals, beverages, and dietary supplements, and serves as a research reagent in biochemistry and pharmacology.
What is the chemical formula and molecular weight of caffeine?
The chemical formula of caffeine is C8H10N4O2, with a molecular weight of 194.19 g/mol.
How should caffeine be stored?
Caffeine should be stored at ambient temperature, protected from moisture and light.
What specification does Molekula's caffeine meet?
Molekula's caffeine is a white powder with an assay of ≥99.0%, a melting point of 234-237.5°C, loss on drying of ≤0.5%, sulphated ash of ≤0.2%, and identification conforming to reference.
Can Molekula supply caffeine in bulk?
Yes, Molekula can supply caffeine in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a caffeine order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS), compliant with regulatory standards.
Where can I buy Caffeine?
Directly from Molekula, which lists Caffeine in 1 kg packs from £109.80 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
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.