Product Name

  • Name

    CETYLDIMETHYLETHYLAMMONIUM BROMIDE

  • EINECS 204-672-8
  • CAS No. 124-03-8
  • Article Data4
  • CAS DataBase
  • Density 1.1003 (rough estimate)
  • Solubility 200 g/L (20 °C) in water
  • Melting Point 190 °C
  • Formula C20H44BrN
  • Boiling Point
  • Molecular Weight 378.48
  • Flash Point 93 °C
  • Transport Information UN 2811
  • Appearance white powder
  • Safety 26-36-36/39
  • Risk Codes 22-36/38-36/37/38-20/21/22
  • Molecular Structure Molecular Structure of 124-03-8 (CETYLDIMETHYLETHYLAMMONIUM BROMIDE)
  • Hazard Symbols HarmfulXn
  • Synonyms 1-Hexadecanaminium,N-ethyl-N,N-dimethyl-, bromide (9CI);Ammonium, ethylhexadecyldimethyl-,bromide (8CI);Ethylhexadecyldimethylammonium bromide (6CI,7CI);Ammonyx DME;Bretol;Cetethyldimonium bromide;Cetyldimethylethylammonium bromide;Cetylethyldimethylammonium bromide;Ethyl cetab;N-Ethyl-N,N-dimethyl-N-hexadecylammonium bromide;Quaternium 17;Radiol germicidal solution;
  • PSA 0.00000
  • LogP 3.56800

Synthetic route

ethyl bromide
74-96-4

ethyl bromide

N,N-dimethylhexadecylamine
112-69-6

N,N-dimethylhexadecylamine

hexadecyldimethylethylammonium bromide
124-03-8

hexadecyldimethylethylammonium bromide

Conditions
ConditionsYield
In acetonitrile for 10h; Heating;97%
In ethanol Heating;
ethyl bromide
74-96-4

ethyl bromide

N,N-dimethylhexadecylamine
112-69-6

N,N-dimethylhexadecylamine

N,N-dimethyl-n-octadecylamine
124-28-7

N,N-dimethyl-n-octadecylamine

N,N-dimethyl-(12S,13R)-epoxy-cis-9-octadecenyl amine
1323108-61-7

N,N-dimethyl-(12S,13R)-epoxy-cis-9-octadecenyl amine

N,N-dimethyl-N-oleylamine
14727-68-5

N,N-dimethyl-N-oleylamine

A

oleyl dimethylethylammonium bromide
14351-44-1

oleyl dimethylethylammonium bromide

B

Br(1-)*C22H48N(1+)
111-98-8

Br(1-)*C22H48N(1+)

C

N,N,N-ethyl-dimethyl-(12S,13R)-epoxy-cis-9-octadecenyl ammonium bromide
1323108-68-4

N,N,N-ethyl-dimethyl-(12S,13R)-epoxy-cis-9-octadecenyl ammonium bromide

D

hexadecyldimethylethylammonium bromide
124-03-8

hexadecyldimethylethylammonium bromide

Conditions
ConditionsYield
In ethanol for 28h; Reflux;
...Expand
N,N-dimethyl-ethanamine
598-56-1

N,N-dimethyl-ethanamine

hexadecanyl bromide
112-82-3

hexadecanyl bromide

hexadecyldimethylethylammonium bromide
124-03-8

hexadecyldimethylethylammonium bromide

Conditions
ConditionsYield
at 70℃; for 72h;
hexadecyldimethylethylammonium bromide
124-03-8

hexadecyldimethylethylammonium bromide

cetyl-ethyl-dimethylammonium tetrafluoroborate

cetyl-ethyl-dimethylammonium tetrafluoroborate

Conditions
ConditionsYield
With silver tetrafluoroborate; sodium tetrafluoroborate 1) CH2Cl2/H2O, 2) MeOH; Yield given. Multistep reaction;
2,6-bis(bromomethyl)anisole
30787-74-7

2,6-bis(bromomethyl)anisole

hexadecyldimethylethylammonium bromide
124-03-8

hexadecyldimethylethylammonium bromide

2,6-bis(cyanomethyl)anisole
144316-87-0

2,6-bis(cyanomethyl)anisole

Conditions
ConditionsYield
In water; benzene6.00 g (95%)
hexadecyldimethylethylammonium bromide
124-03-8

hexadecyldimethylethylammonium bromide

ethylhexadecyldimethylammonium hydroxide

ethylhexadecyldimethylammonium hydroxide

Conditions
ConditionsYield
With anion exchange resin (Amersep 900 OH) In ethanol; water
hexadecyldimethylethylammonium bromide
124-03-8

hexadecyldimethylethylammonium bromide

C20H44N(1+)*C3H3N2(1-)

C20H44N(1+)*C3H3N2(1-)

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: anion exchange resin (Amersep 900 OH) / ethanol; water
2: 12 h / 20 °C
View Scheme
hexadecyldimethylethylammonium bromide
124-03-8

hexadecyldimethylethylammonium bromide

C20H44N(1+)*C2H2N3(1-)

C20H44N(1+)*C2H2N3(1-)

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: anion exchange resin (Amersep 900 OH) / ethanol; water
2: 12 h / 20 °C
View Scheme

Dimethylethylhexadecylammonium bromide Chemical Properties

1.IUPAC Name: Ethyl-hexadecyl-dimethylazanium bromide
2.Synonyms:  Ammonyxdme ; Bretol ; Cetylcide ; Cetyldimethylethylammonium ; Ethylhexadecvldimethvlammoniumbromide ; Ethylcetab ; Ethylhexadecyldimethyl-ammoniubromide
3.The Molecular formula of  ETHYL HEXADECYL DIMETHYL AMMONIUM BROMIDE (124-03-8) : C20H44BrN
4.The Molecular Weight of  ETHYL HEXADECYL DIMETHYL AMMONIUM BROMIDE (124-03-8)  : 378.47g/mol
5.The Molecular Structure of  ETHYL HEXADECYL DIMETHYL AMMONIUM BROMIDE (124-03-8) :
6.Melting point: 190 °C
7.Appearance: white powder
8.Storage temp.  2-8°C

Dimethylethylhexadecylammonium bromide Uses

1. ETHYL HEXADECYL DIMETHYL AMMONIUM BROMIDE (124-03-8) is used as antiseptics ,antimicrobial, bactericide, fungicide in Pharmaceuticals, Cosmetics, Hair and Personal Care products.
2.It also can be used as
- Spermicides in birth control Pharmaceuticals
- Algaecides in Disinfection products
- Conditioners, emulsifiers and antistatic agents in Cosmetics and Hair Care
- Phase Transfer Catalysts (PTC)
- Diagnostic Reagents
- Surfactants in Pharmaceutical Suspensions

Dimethylethylhexadecylammonium bromide Toxicity Data With Reference

1.    

orl-rat LD50:500 mg/kg

     PCOC**    Pesticide Chemicals Official Compendium ,Association of the American Pesticide Control Officials, Inc.(Topeka, KS.: )1966,206.
2.    

orl-gpg LD50:158 mg/kg

     PCOC**    Pesticide Chemicals Official Compendium ,Association of the American Pesticide Control Officials, Inc.(Topeka, KS.: )1966,206.

Dimethylethylhexadecylammonium bromide Safety Profile

Poison by ingestion. When heated to decomposition it emits toxic fumes of NOx, NH3, and Br−. See also BROMIDES.
Hazard Codes:  Xn
Risk Statements:  22-36/38-36/37/38-20/21/22
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed
R36/37/38: Irritating to eyes, respiratory system and skin
Safety Statements:  26-36-36/39
S36/39 : Wear suitable protective clothing and eye/face protection
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 
WGK Germany:  3

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