Trimethyloctadecylammonium bromide

Basic Information

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CAS Number

1120-02-1

Molecular Formula

C21H46BrN

Molecular Weight

392.5 g/mol

Chemical Classification

Polymers and Plastics Thermoplastics Polyolefins

Basic Physical Properties

Melting Point

~250 °C (dec.)

Density

1.2580

SMILES

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CCCCCCCCCCCCCCCCCC[N+](C)(C)C.[Br-]

InChI

1S/C21H46N.BrH/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22(2,3)4;/h5-21H2,1-4H3;1H/q+1;/p-1

InChIKey

SZEMGTQCPRNXEG-UHFFFAOYSA-M

LogP

3.95810

Complexity

204

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Stability

Stable. Hygroscopic. Incompatible with strong oxidizing agents. Protect from moisture.

Sensitiveness

易吸潮

Synonyms & References

English

N,N,N-Trimethyloctadecan-1-aminium bromide
n-Octadecyl-N,N,N-trimethylammonium bromide
Octadecyldimethylammonium bromide
N,N,N-trimethyl-1-octadecanaminiumbromide
Octadecy trimethyl ammonium bromide
OTAB
ammonium,trimethyloctadecyl-,bromide
n,n,n-trimethyl-1-octadecanaminiubromide
N-OCTADECYLTRIMETHYLAMMONIUM BROMIDE
OCTADECYLTRIMETHYLAMMONIUM BROMIDE
TRIMETHYLSTEARYLAMMONIUM BROMIDE
TRIMETHYLOCTADECYLAMMONIUM BROMIDE
Octadecyl dimethyl benzyl ammonium bromide
Stearyl trimethyl ammoium bromide
OctMAB
Stearyltrimethylammonium Bromide
Stearyltrimethylammonium bromide (STAB)
STAB
trimethyl(octadecyl)azanium,bromide
C18TAB
TMODAB
Steartrimonium bromide
1-Octadecanaminium, N,N,N-trimethyl-, bromide
BPW1DD4IZ8
octadecyl trimethyl ammonium bromide
1-Octadecanaminium, N,N,N-trimethyl-, bromide (1:1)
AK114151
Trimethyl-1-octylammonium bromide
C21H46B
Trimethyloctadecylammonium bromide

MDL Number

MFCD00043171

Customs Code

2923900090

FAQ

What is Trimethyloctadecylammonium bromide (CAS: 1120-02-1)?

Trimethyloctadecylammonium bromide (CAS: 1120-02-1) is a quaternary ammonium compound with the chemical formula C21H46BrN. It is a viscous liquid with a high melting point, commonly used as a surfactant and antistatic agent. The compound is known for its cationic charge and is often found in formulations requiring surface activity or charge stabilization.

What are the main uses of Trimethyloctadecylammonium bromide (CAS: 1120-02-1)?

Trimethyloctadecylammonium bromide (CAS: 1120-02-1) is widely used in pharmaceuticals as a surfactant, in industrial applications for its antistatic properties, and in research for its role in stabilizing colloidal systems. It also finds use in textile processing and as a component in certain cosmetic products due to its surface-active characteristics.

Is Trimethyloctadecylammonium bromide (CAS: 1120-02-1) safe?

Trimethyloctadecylammonium bromide (CAS: 1120-02-1) is generally considered safe when used in accordance with recommended guidelines. However, it should be handled with care, as direct contact may cause skin irritation. Safety data sheets recommend using appropriate protective equipment and ensuring proper ventilation to minimize exposure risks.

How should Trimethyloctadecylammonium bromide (CAS: 1120-02-1) be stored?

Trimethyloctadecylammonium bromide (CAS: 1120-02-1) should be stored in a cool, dry place away from light. It is typically kept in airtight containers to prevent moisture absorption and contamination. Storage at temperatures below 25°C is recommended to maintain stability and prolong shelf life.