[Hexadecyl(dimethyl)ammonio]acetate

Basic Information

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CAS Number

693-33-4

Molecular Formula

C20H41NO2

Molecular Weight

327.55 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Surfactants Anionic Surfactants

Basic Physical Properties

Boiling Point

465.41°C (rough estimate)

Density

0.9732 (rough estimate)

Refractive Index

1.5614 (estimate)

SMILES

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CCCCCCCCCCCCCCCC[N+](C)(C)CC(=O)[O-]

InChI

InChI=1S/C20H41NO2/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-21(2,3)19-20(22)23/h4-19H2,1-3H3

InChIKey

TYIOVYZMKITKRO-UHFFFAOYSA-N

LogP

5.54030

Synonyms & References

English

HEXADECYLBETAINE
Hexadecyldimethylamine Betaine
2-[hexadecyl(dimethyl)azaniumyl]acetate
CETYL ΒINE
N,N-Dimethyl-N-hexadecylbetaine
C16BET
carboxymethyl-hexadecyl-dimethyl-ammonium betaine
Carboxymethyl-hexadecyl-dimethyl-ammonium-betain
cetyl betaine
Lonzaine 16S
N,N-Dimethyl-N-hexadecylglycine
N-hexadecyl-betaine
N-n-hexadecyl-N,N-dimethyl-glycin
Palmityldimethylbetaine
Product HDN
Hexadecyl dimethyl betaine

MDL Number

MFCD31382411

FAQ

What are the physical and chemical properties of Hexadecyl(dimethyl)ammonio]acetate (CAS: 693-33-4)?

Hexadecyl(dimethyl)ammonio]acetate (CAS: 693-33-4) is a white to off-white crystalline powder with a molecular weight of approximately 310.46 g/mol. It has good solubility in water and organic solvents. Chemically, it is mildly reactive, primarily used in surfactant and emulsifier applications. It shows minimal solubility in nonpolar solvents and exhibits surfactant properties in aqueous solutions.

How is Hexadecyl(dimethyl)ammonio]acetate (CAS: 693-33-4) typically synthesized?

Hexadecyl(dimethyl)ammonio]acetate (CAS: 693-33-4) is synthesized through an esterification reaction of hexadecyl(dimethyl)ammonium chloride with acetic anhydride. This process involves the use of a catalyst such as concentrated sulfuric acid. The reaction typically provides a high yield and selectivity, making it a straightforward and efficient method for its production.

What industries use Hexadecyl(dimethyl)ammonio]acetate (CAS: 693-33-4)?

Hexadecyl(dimethyl)ammonio]acetate (CAS: 693-33-4) is widely used in various industries, including pharmaceuticals, where it serves as a surfactant and emulsifier in drug formulations. It is also utilized in the polymer industry for improving wetting and dispersion properties, in sensors for enhancing detection sensitivity, and in semiconductors for surfactant applications.

What precautions should be taken when handling Hexadecyl(dimethyl)ammonio]acetate (CAS: 693-33-4)?

When handling Hexadecyl(dimethyl)ammonio]acetate (CAS: 693-33-4), it is essential to wear appropriate personal protective equipment (PPE), including gloves and safety goggles. Work should be conducted in a well-ventilated area or fume hood to minimize inhalation risks. Spills should be cleaned up with appropriate absorbent materials and the area wiped down with a suitable solvent. Always refer to the Safety Data Sheet (SDS) for detailed handling and emergency procedures.