Molekula
Octadecyltrimethylammonium bromide
Octadecyltrimethylammonium bromide is a quaternary ammonium compound used as a surfactant, phase transfer catalyst, and antimicrobial agent. It is available in powder form with a molecular weight of 392.50 g/mol, CAS number 1120-02-1, and is stable at ambient storage conditions. It is classified as dangerous. Molekula supplies Octadecyltrimethylammonium bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Octadecyltrimethylammonium bromide is a quaternary ammonium compound used as a surfactant, phase transfer catalyst, and antimicrobial agent. It is available in powder form with a molecular weight of 392.50 g/mol, CAS number 1120-02-1, and is stable at ambient storage conditions. It is classified as dangerous. Molekula supplies Octadecyltrimethylammonium bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Moisture | ≤0.5 |
| Chromaticity | ≤200 |
| Concentration (Titration) | 99%min |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 1120-02-1 |
| Molecular Formula | CH3(CH2)17N(Br)(CH3)3 |
| Molecular Weight | 392.50 |
| SMILES | CCCCCCCCCCCCCCCCCC[N+](C)(C)C.[Br-] |
| EC / UN Number | 3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| Tariff Code | 2923900090 |
Safety & GHS
-
Explosive
GHS01
-
Compressed Gas
GHS04
-
Toxic
GHS06
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- 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
- 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
For research and industrial use only
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.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is Octadecyltrimethylammonium bromide used for?
It is commonly used as a surfactant, phase-transfer catalyst, and in the formulation of antistatic agents and water-repellent coatings.
What is the chemical formula and molecular weight?
The formula is CH3(CH2)17N(Br)(CH3)3 with a molecular weight of 392.50 g/mol.
How should this compound be stored?
Store at ambient temperature, away from moisture and incompatible substances, as it is classified as a hazardous material.
What grade is available?
Available in technical grade; custom grades may be available upon request.
Can Molekula supply it in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) 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.