Octadecylamine
A straight-chain C18 fatty primary amine, solid at room temperature, best known as a volatile filming amine that protects steam and boiler-water systems from corrosion.
Chelora Chemicals supplies octadecylamine to power-plant water-treatment, textile-auxiliary and surfactant manufacturers worldwide, with full documentation on every consignment.
Product identity
- CAS Number
- 124-30-1
- IUPAC name
- Octadecan-1-amine
- Molecular formula
- C₁₈H₃₉N
- Molecular weight
- 269.5 g/mol
- Melting point
- 52-55 °C
- Physical state
- Solid (flake) at 20 °C
- GHS signal word
- Warning
- HS Code
- 2921 19*
* Confirm the current HS classification and import regulatory status for your destination with your own regulatory affairs team.
What Octadecylamine is used for
Octadecylamine, commonly known by its fatty-chemistry name stearylamine, is a white, waxy flaked solid at room temperature with a mild fatty odour. It is the longest straight-chain amine in our dodecylamine-octadecylamine-oleylamine fatty-amine range, and its longer C18 tail gives it a higher melting point and stronger film-forming behaviour than dodecylamine.
Its best-known industrial role is as a volatile filming amine corrosion inhibitor in steam and boiler-water systems: it volatilises with steam and condenses as a thin protective film on metal surfaces throughout the steam-condensate cycle. It is also used as a raw material for cationic fabric softeners and textile auxiliaries, in asphalt and bitumen anti-stripping additives, and in surfactant and quaternary ammonium compound manufacture.
Where it sits in the fatty amine family
- Dodecylamine (Laurylamine) C12 chain — shorter, more reactive, used in corrosion and flotation chemistry. See that page.
- Octadecylamine (this product) C18 saturated chain — solid, strong film-former, boiler-water chemistry.
- Oleylamine C18 unsaturated chain — liquid at room temperature, used in nanoparticle synthesis. See that page.
Appearance and handling character
Octadecylamine may cause an allergic skin reaction, causes serious eye and skin irritation, may cause organ damage through prolonged or repeated exposure, and is very toxic to aquatic life with long-lasting effects. Full hazard details are in the Safety section below.
| Parameter | Typical value |
|---|---|
| Appearance | White waxy flake |
| Assay | 90.0% min |
| Amine value | Within producer specification |
| Iodine value | Low (saturated chain) |
Important: the figures above are indicative of commercial material and are offered for planning only. The batch certificate of analysis is the governing document.
| Property | Value |
|---|---|
| Physical state | White waxy flake solid; mild fatty odour |
| Melting point | 52-55 °C |
| Water solubility | Practically insoluble |
| Solubility | Soluble in most organic solvents |
| Amine class | Aliphatic saturated fatty primary amine (C18) |
Physical constants compiled from public reference data for CAS 124-30-1 and rounded for readability. Treat them as orientation, not as a specification.
Where our customers put this fatty amine to work
A long-chain filming amine spanning power-plant water treatment, textiles and surfactant chemistry.
Boiler-water corrosion inhibitor
Volatilises with steam and condenses as a protective filming layer across the steam-condensate cycle.
- Technical grade specification
- Bulk & bag supply
- Technical desk review on request
Fabric-softener intermediate
A raw material for cationic softening agents and textile processing auxiliaries.
- Technical-grade specification
- Documented batch traceability
- Contract & spot supply
Asphalt anti-stripping additive
Improves bitumen-aggregate adhesion in road-construction asphalt formulations.
- Packs from 25 kg bag / bulk
- Full analytical documentation available
- Retained sample held against the lot
Surfactant & quat manufacture
A precursor for quaternary ammonium compounds and fatty-amine-derived surfactants.
- Research & process-scale quantities
- Full documentation supplied
- Technical desk review on request
Lubricant & wax-additive chemistry
Used as an intermediate in certain lubricant, wax and specialty-coating additive formulations.
- Technical grade specification
- Documented batch traceability
- Technical desk review on request
Contract & scheduled supply
Power-plant, textile-auxiliary and surfactant manufacturers running continuous consumption are supported with scheduled bulk delivery.
- Annual contracts with scheduled call-off
- Price held across the contract period
- Second source held in reserve
How we supply Octadecylamine
Chelora Chemicals is a supplier and sourcing partner, not a manufacturer. Octadecylamine's role protecting high-value boiler and steam assets means consistent amine value and freedom from off-odour matter — that shapes how we manage this line.
We place your order with whichever qualified producer best matches your required grade, your price point and your delivery window.
We keep a second qualified source on this line, so a single-plant disruption never becomes your production problem.
- Amine value confirmed before we quote. Consistency matters to film-forming performance in boiler-water systems.
- Flake-form logistics managed. We advise on bag type and handling given the product's solid, waxy form.
- Aquatic-hazard documentation filed correctly. Every shipment carries the correct hazard declarations.
- Scheduled call-off scheduling. We hold contracted tonnage and release it against your consumption calendar.
- Batch traceability to the producing plant. Full chain of custody documentation on request.
- Export machinery handled in-house. Classification, approved packing, labelling, freight booking and customs paperwork are ours to manage.
Packed the way your plant receives it
Bag, drum or bulk — tell us your preferred format and we will quote and classify to it.
25 kg kraft / PP bags
Standard packaging for flake-form octadecylamine, palletised and shrink-wrapped.
Fibre or steel drums
For orders preferring drum-based handling over bags.
500-1000 kg bulk bags
Bulk-bag supply sized to continuous power-plant and textile-auxiliary plant consumption.
Incoterms to suit you
Quoted on the Incoterm your purchasing team works to, with documentation filed before booking.
Trial / sample quantities
Small packs dispatched for process trials before a commercial order is placed.
Contracted call-off supply
We hold contracted tonnage and release it against your consumption calendar.
Sensitising, irritant, and very toxic to aquatic life
Octadecylamine's combination of skin-sensitisation potential and aquatic toxicity makes PPE and containment the central handling concerns. The summary below is orientation only — the safety data sheet supplied with your specific batch is the authoritative document.
Classified hazards
H304May be fatal if swallowed and enters airways.H315Causes skin irritation.H318Causes serious eye damage.H373May cause damage to organs through prolonged or repeated exposure.H410Very toxic to aquatic life with long-lasting effects.
Always read the SDS issued with your specific batch. Handle with chemical-resistant gloves, splash goggles and adequate ventilation; avoid any release to waterways.
Storage
Store in a cool, dry area in closed bags or drums, away from strong oxidisers and acids. The waxy flake is stable at normal ambient storage temperatures.
Handling
Use with local exhaust ventilation when handling dust or molten material. Minimise skin and eye contact with appropriate gloves and protective clothing. Contain any spill to prevent waterway contamination — this product is very toxic to aquatic organisms.
Transport
Classified according to its skin/eye-irritant and aquatic-hazard profile for transport. We confirm and document packing group and exact classification for your specific shipment and destination.
Every batch, documented
We verify documentation before dispatch so there are no surprises at your incoming-goods bench.
Specification agreed
Amine value and assay confirmed against your process requirement before order placement.
Producer batch testing
The producing plant tests each batch against the agreed specification before release.
Documentation review
COA, SDS and transport paperwork checked by our desk before the shipment is booked.
Traceable dispatch
Each shipment is traceable to its producing batch, with full chain-of-custody records on request.
How octadecylamine is made
Octadecylamine is produced industrially from stearic acid or stearyl alcohol derived from tallow or vegetable-oil feedstocks, via catalytic amination/reduction routes common to the fatty-amine industry, followed by purification and flaking to the required assay.
We do not publish operating process parameters here; this is background only. Full technical and safety documentation accompanies every shipment, and any process-specific detail you need is best confirmed directly with our technical desk.
| Chemical family | Aliphatic saturated fatty primary amine |
|---|---|
| Chain length | C18 (octadecyl / stearyl) |
| Reactivity | Primary amine nucleophile; strong film-forming and volatile-filming behaviour |
| Related compounds | Dodecylamine (shorter chain), Oleylamine (unsaturated C18) |
Explore the wider amine range
Octadecylamine, answered
What is octadecylamine used for?
Is octadecylamine the same as stearylamine?
Is octadecylamine hazardous?
What grade do you supply?
What packing do you offer?
Do you manufacture this yourself?
- Need a related amine? See our Dodecylamine and Oleylamine pages.
Get a quote on Octadecylamine today
Send us your required grade, pack size and delivery window. We will come back with a firm quote, lead time and full documentation.