Octadecy trimethyl ammonium bromide
Synonym(s):C18TAB;Octadecyltrimethylammonium bromide;TMODAB
- CAS NO.：1120-02-1
- Empirical Formula: C21H46BrN
- Molecular Weight: 392.5
- MDL number: MFCD00043171
- EINECS: 214-294-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-20 11:41:24
What is Octadecy trimethyl ammonium bromide?
Chemical properties
white powder
The Uses of Octadecy trimethyl ammonium bromide
A Dynamin I inhibitor.
The Uses of Octadecy trimethyl ammonium bromide
Trimethyloctadecylammonium bromide (C18TAB) is generally used as a surfactant. It can be used in the preparation of polyoxomolybdate-surfactant hybrid layered crystals. It can also be used as a surface modifier in the liquid chromatography.
What are the applications of Application
Trimethyloctadecylammonium bromide is a Dynamin I inhibitor
Flammability and Explosibility
Not classified
Purification Methods
Crystallise it from EtOH or H2O (solubility is 1 in 1000parts). It is very soluble in Me2CO. It is a bactericide. [Sheldon et al. J Am Chem Soc 68 754 1946, Grieger & Kraus J Am Chem Soc 70 3805, 38007, Beilstein 4 IV 827.]
Properties of Octadecy trimethyl ammonium bromide
| Melting point: | ~250 °C (dec.) (lit.) |
| Boiling point: | 543.31℃[at 101 325 Pa] |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | Limited solubility |
| form | powder to crystal |
| color | White to Almost white |
| Water Solubility | soluble |
| BRN | 3574090 |
| Stability: | Stable. Hygroscopic. Incompatible with strong oxidizing agents. Protect from moisture. |
| CAS DataBase Reference | 1120-02-1(CAS DataBase Reference) |
| EPA Substance Registry System | Trimethyl-1-octylammonium bromide (1120-02-1) |
Safety information for Octadecy trimethyl ammonium bromide
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H317:Sensitisation, Skin H318:Serious eye damage/eye irritation H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P391:Collect spillage. Hazardous to the aquatic environment |
Computed Descriptors for Octadecy trimethyl ammonium bromide
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product: 1120-02-1 98%
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