Product Name

  • Name

    HEXADECYLBETAINE

  • EINECS
  • CAS No. 693-33-4
  • Article Data5
  • CAS DataBase
  • Density 0.9732 (rough estimate)
  • Solubility 444.8g/L at 25℃
  • Melting Point
  • Formula C20H41 N O2
  • Boiling Point 465.41°C (rough estimate)
  • Molecular Weight 327.551
  • Flash Point
  • Transport Information
  • Appearance
  • Safety A poison by intraperitoneal route. Moderately toxic by ingestion. When heated to decomposition it emits toxic vapors of NOx.
  • Risk Codes
  • Molecular Structure Molecular Structure of 693-33-4 (HEXADECYLBETAINE)
  • Hazard Symbols
  • Synonyms (Carboxymethyl)hexadecyldimethylammoniumhydroxide, inner salt (7CI); 1-Hexadecanaminium, N-(carboxymethyl)-N,N-dimethyl-,hydroxide, inner salt; Ammonium, (carboxymethyl)hexadecyldimethyl-, hydroxide,inner salt (8CI); Amphosol CB; Amphosol CDB; CB 1-16; Cetyl betaine; ColatericBE 16; Detaine PB; Dimethylhexadecyl betaine; Hexadecylbetaine; Hexadecyldimethylbetaine;Lonzaine 16S; Lonzaine 16SP; N,N-Dimethyl-N-hexadecylaminoacetic acid;N-Cetyl-N,N-dimethylaminomethane carboxylate inner salt;N-Cetyl-N,N-dimethylglycine inner salt; N-Palmityl-N,N-dimethylaminoacetatebetaine; Product HDN
  • PSA 49.36000
  • LogP 5.54030

Synthetic route

N,N-dimethylhexadecylamine
112-69-6

N,N-dimethylhexadecylamine

sodium monochloroacetic acid
3926-62-3

sodium monochloroacetic acid

(N-hexadecyl-N,N-dimethylammonio)acetate
693-33-4

(N-hexadecyl-N,N-dimethylammonio)acetate

Conditions
ConditionsYield
With ethanol at 100℃;
In ethanol Heating;
In ethanol; acetonitrile for 240h; Heating;
carboxymethyl-hexadecyl-dimethyl-ammonium; bromide
5466-51-3

carboxymethyl-hexadecyl-dimethyl-ammonium; bromide

(N-hexadecyl-N,N-dimethylammonio)acetate
693-33-4

(N-hexadecyl-N,N-dimethylammonio)acetate

Conditions
ConditionsYield
With silver carbonate
methyl N-hexadecyl-N,N-dimethylglycinate chloride
74729-09-2

methyl N-hexadecyl-N,N-dimethylglycinate chloride

A

methanol
67-56-1

methanol

B

(N-hexadecyl-N,N-dimethylammonio)acetate
693-33-4

(N-hexadecyl-N,N-dimethylammonio)acetate

Conditions
ConditionsYield
With sodium hydroxide; lithium chloride In water at 25℃; Rate constant; other salts, MTACl or CTACl wer used;
hexadecanyl bromide
112-82-3

hexadecanyl bromide

(N-hexadecyl-N,N-dimethylammonio)acetate
693-33-4

(N-hexadecyl-N,N-dimethylammonio)acetate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
2: aq. ethanol / Heating
View Scheme

CETYL BETAINE Chemical Properties

CETYL BETAINE's Molecular formula: C21H43NO2
CETYL BETAINE's Molar mass: 341.57162
EINECS: 211-748-4
Synonyms: HEXADECYLBETAINE;2-(hexadecyl-dimethyl-ammonio)acetate;(carboxylatomethyl)hexadecyldimethylammonium;1-Hexadecanaminium, N-(carboxymethyl)-N,N-dimethyl-, inner salt;Palmityldimethylbetaine;N,N-Dimethyl-N-hexadecylbetaine;2-(Hexadecyldimethylammonio)acetic acid;Cetyl Dimethyl Betaine

CETYL BETAINE Uses

CETYL BETAINE can used as foam stabilizer, thickener for shampoos.

CETYL BETAINE Toxicity Data With Reference

1.   

orl-rat LD50:1620 mg/kg

   FAATDF    Fundamental and Applied Toxicology. 16 (1991),41.
2.   

ipr-rat LD50:150 mg/kg

   FAATDF    Fundamental and Applied Toxicology. 16 (1991),41.

CETYL BETAINE Consensus Reports

Reported in EPA TSCA Inventory.

CETYL BETAINE Safety Profile

A poison by intraperitoneal route. Moderately toxic by ingestion. When heated to decomposition it emits toxic vapors of NOx.

Related Products

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View