Molekula
1-Octanol
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
1-Octanol is a primary alcohol used as a solvent, intermediate in chemical synthesis, and in fragrance and flavor applications. It appears as a colorless to pale yellow liquid with a characteristic odor. CAS: 111-87-5, Molecular formula: C8H18O, Molecular weight: 130.23 g/mol. Store at ambient temperature. Hazard classification: Danger. Molekula supplies 1-Octanol 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 26 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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1 kg — £57.30 per pack ex VAT · £68.76 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 | 1.4280 - 1.4310 (@ 20°C) |
| Colour | ≤20 Hazen |
| Moisture | ≤0.3% |
| Hydroxyl value (mgKOH/g) | 420-435 |
| Identification (IR) | Conforms to Reference |
| Iodine value (g I2/100g) | ≤1.0 |
| Saponification Value (mgKOH/g) | ≤1.5 mgKOH.g |
| Acid Value (mg KOH/g) | ≤0.3 mgKOH.g |
| Main components | ≥96% |
| Hydrocarbon alkyl | ≤2.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 87 °C |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless liquid |
| Odour | Fresh orange rose odor |
| Melting Point | -14.7 °C |
| Boiling Point | 194.7 °C |
| Density | 0.83 (relative, water = 1) |
| Water Solubility | 540 mg/L at 25 °C |
| Solubility (other solvents) | Miscible in ethanol, ether; soluble in carbon tetrachloride |
| Vapour Pressure | 8.7 Pa at 20 °C |
| Refractive Index | 1.4205 |
| log P (octanol/water) | 3 |
Source: PubChem CID 957 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 24005619 |
| CAS Number | 111-87-5 |
| IUPAC Name | octan-1-ol |
| EC Number | 203-917-6 |
| Molecular Formula | C8H18O |
| Molecular Weight | 130.23 |
| Exact Mass | 130.1358 |
| SMILES | CCCCCCCCO |
| InChIKey | KBPLFHHGFOOTCA-UHFFFAOYSA-N |
| InChI | InChI=1S/C8H18O/c1-2-3-4-5-6-7-8-9/h9H,2-8H2,1H3 |
| PubChem CID | 957 |
| UN Number | UN3082 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| Tariff Code | 29051685 |
Safety & GHS
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Flammable
GHS02
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
Hazard statements
- H225 Highly flammable liquid and vapour
- H302 Harmful if swallowed
- H312 Harmful in contact with skin
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing 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
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+341 IF INHALED: If breathing is difficult, 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
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-Hydroxyoctane
- Alcohol C-8
- caprylic alcohol
- Heptyl carbinol
- N-octanol
- n-Octyl alcohol
- Octan-1-ol
- Octilin
- Octyl alcohol
- Primary octyl alcohol
Frequently asked questions
What is 1-Octanol used for?
1-Octanol is commonly used as a solvent, intermediate in chemical synthesis, and in the production of plasticizers and perfumes.
What is the chemical formula and molecular weight of 1-Octanol?
The formula is C8H18O with a molecular weight of 130.23 g/mol.
How should 1-Octanol be stored?
Store at ambient temperature, away from heat and ignition sources, in a tightly closed container.
What grade of 1-Octanol does Molekula supply?
Molekula supplies 1-Octanol in technical grade; custom grades available upon request.
Can Molekula supply 1-Octanol in bulk?
Yes, Molekula can supply 1-Octanol in bulk quantities; please contact sales for pricing and availability.
What documentation comes with a 1-Octanol order?
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.