Hexetidine

Hexetidine Basic information
Product Name:Hexetidine
Synonyms:1,3-bis(2-ethylhexyl)hexahydro-5-methyl-5-pyrimidinamin;1,3-bis(2-ethylhexyl)hexahydro-5-methyl-5-Pyrimidinamine;hexetidine,5-amino-1,3-bis(2-ethylhexyl)hexahydro-5-methylpyrimidine;hexetidine,mixtureofstereoisomers;5-AMINO-1,3-BIS(2-ETHYLHEXYL)HEXAHYDRO-5-METHYLPYRIMIDINE;HEXETIDINE;LABOTEST-BB LT00134693;5-Amino-1,3-bis(2-ethylhexyl)hexahydro-5-methylpyrimidine, mix of diastereomers
CAS:141-94-6
MF:C21H45N3
MW:339.6
EINECS:205-513-5
Product Categories:STERISIL
Mol File:141-94-6.mol
Hexetidine Structure
Hexetidine Chemical Properties
Melting point 25°C
Boiling point 160 °C/0.4 mmHg (lit.)
density 0.889 g/mL at 25 °C (lit.)
refractive index 1.4649
Fp 70°C
storage temp. 2-8°C
solubility acetone: soluble(lit.)
pka8.3(at 25℃)
form neat
color Clear Colourless
Water Solubility Not miscible or difficult to mix in water.
Merck 14,4703
BRN 161071
InChIKeyDTOUUUZOYKYHEP-UHFFFAOYSA-N
LogP7.150 (est)
CAS DataBase Reference141-94-6(CAS DataBase Reference)
EPA Substance Registry System5-Pyrimidinamine, 1,3-bis(2-ethylhexyl)hexahydro-5-methyl- (141-94-6)
Safety Information
Hazard Codes Xi
Risk Statements 36/38-36/37/38
Safety Statements 26-36
WGK Germany 3
Hazard Note Irritant
TSCA Yes
HS Code 2933599590
Hazardous Substances Data141-94-6(Hazardous Substances Data)
MSDS Information
ProviderLanguage
ALFA English
Hexetidine Usage And Synthesis
Chemical PropertiesLiquid.Soluble in methanol, benzene, and petroleum ether; insoluble in water.
Chemical PropertiesHexetidine is a colorless or faint yellow-colored oily liquid with a characteristic amine odor.
OriginatorSterisil,Warner Lambert,US,1956
UsesHexetidine, mixture of stereoisomers is an antibacterial and antifungal agent. Used in plant-derived composite antimicrobial agent and application thereof in cosmetic.
UsesInvolved in studies:
  • To identify pure liquid salt forms of aspirin
  • Of alkyl based selective displacers for protein purification via ion exchange chromatography
  • Of the in vivo application of models for testing drugs against nonreplicating Mycobacterium tuberculosis
  • Nutrient-sensitized screening for drugs that shift the energy metabolism from mitochondrial respiration to glycolysis
  • Inhibition of angiogensis
  • Screening antimalarial drugs
UsesFungicide, bactericide, algicide, antistatic agent for synthetics, insect repellent, medicine (antifungal agent).
Production MethodsHexetidine is prepared by hydrogenation under pressure of 1,3- bis(2-ethylhexyl)-5-methyl-4-nitrohexahydropyriminine at 100°C using Raney nickel as a catalyst.
DefinitionChEBI: 1,3-bis(2-ethylhexyl)-5-methyl-1,3-diazinan-5-amine is an organonitrogen heterocyclic compound and an organic heteromonocyclic compound.
Manufacturing ProcessNitroethane and formaldehyde are first reacted to give 2-methyl-2-nitro-1,3- propanediol. This is reacted with 2-ethylhexylamine and formaldehyde to give 5-nitro-1,3-bis(2-ethylhexyl)-5-methyl-hexahydropyrimidine.
To a hydrogenation apparatus containing 500 ml of methanol and 10 g of Raney nickel catalyst were continuously added over a period of one hour, 240 g of 5-nitro-1,3-bis(2-ethylhexyl)-5-methylhexahydropyrimidine. During the one-hour period, the resulting mixture was hydrogenated at approximately 1,000 pounds per square inch utilizing room temperature as the initial temperature and gradually increasing the temperature to about 70°C. At the end of the one-hour period, hydrogenation was stopped. The reaction mixture was first filtered to remove the catalyst and was then distilled at atmospheric pressure at a temperature of 70°C to remove methanol. 197.5 g of 5-amino- 1,3-bis(2-ethylhexyl)-5-methylhexahydropyrimidine were collected.
Therapeutic FunctionAntifungal
General DescriptionThe effectiveness of a hexetidine mouthwash in reducing supragingival plaque and gingival inflammation has been examined.
HazardCombustible.
Pharmaceutical ApplicationsHexetidine is used as an antimicrobial preservative in cosmetics and nonparenteral pharmaceutical formulations. Therapeutically, hexetidine is mainly used as a 0.1% w/v solution in mouthwash formulations for the prevention and treatment of minor local infections, gingivitis, and mouth ulcers.
SafetyHexetidine is mainly used in mouthwashes as a bactericidal and fungicidal antiseptic. It is also used as an antimicrobial preservative and is generally regarded as a relatively nontoxic and nonirritant material at concentrations up to 0.1% w/v. Allergic contact dermatitis and altered olfactory and taste perception have occasionally been reported. Hexetidine is toxic when administered intravenously.
Solutions of hexetidine in oil at concentrations of 5–10% w/v cause strong primary irritations without sensitization in humans. Long-term toxicological studies of up to 0.1% w/w of hexetidine in food for 1 year do not show any toxic effect. Fetotoxicity, embryotoxicity, and teratogenicity studies in rats of doses up to 50 mg/kg/day exhibit no sign of toxicity.
LD100 (cat, IV): 5–20 mg/kg
LD50 (dog, oral): 1.60 g/kg
LD50 (mouse, IP): 0.142 g/kg
LD50 (mouse, oral): 1.52 g/kg
LD50 (rat, oral): 0.61–1.43 g/kg





storageHexetidine is stable and should be stored in a well-closed container in a cool, dry place. Brass and copper equipment should not be used for the handling or storage of hexetidine.
IncompatibilitiesHexetidine is incompatible with strong oxidizing agents. Salts are formed with mineral and organic acids; strong acids cause opening of the hexahydropyrimidine ring, releasing formaldehyde.
Regulatory StatusIncluded in nonparenteral formulations licensed in Europe.
Hexetidine Preparation Products And Raw materials
Raw materialsNitroethane-->2-Ethylhexylamine-->Hydrogen-->Formaldehyde-->Aluminium-nickel
Hexetidine N-HEXYLETHYLENEDIAMINE N-(3-aminopropyl)-N-butyl-N-methylamine Amino tris(methylene phosphonic acid) 1,2-DIAMINO-2-METHYLPROPANE 2-ISOBUTYLAMINOETHYLAMINE 2-Butanone 1-DIMETHYLAMINO-2-METHYL-2-AMINOPROPANE 2-(BUTYLAMINO)ETHYLAMINE Glycine Hexahydro-pyrimidine propoctamine Pirimiphos-methyl N,N,N'-TRIMETHYL-1,3-PROPANEDIAMINE 2-Aminophenol 4-Ethyl-5-fluoro-6-hydroxypyrimidine AMINO ACIDS 2-Ethylhexylamine

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