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Hexadecyl trimethyl ammonium bromide

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Hexadecyl trimethyl ammonium bromide Basic information
Hexadecyl trimethyl ammonium bromide Chemical Properties
  • Melting point:248-251 °C(lit.)
  • Density 1.1107 (rough estimate)
  • refractive index 1.5260 (estimate)
  • Flash point:244 °C
  • storage temp. Store at RT.
  • solubility H2O: 50 mg/mL
  • form powder
  • color white
  • OdorOdorless
  • PH5.0-7.0 (25℃, 0.1M in H2O)
  • PH Range5 - 7
  • Water Solubility 13 g/L (20 ºC)
  • λmaxλ: 260 nm Amax: 0.06
    λ: 280 nm Amax: 0.05
  • Sensitive Hygroscopic
  • Merck 14,2025
  • BRN 3598189
  • Stability:Stable. Incompatible with strong oxidizing agents. Protect from moisture.
  • InChIKeyLZZYPRNAOMGNLH-UHFFFAOYSA-M
  • CAS DataBase Reference57-09-0(CAS DataBase Reference)
  • EPA Substance Registry SystemCetyl trimethyl ammonium bromide (57-09-0)
Safety Information
  • Hazard Codes Xn,N
  • Risk Statements 22-37/38-41-50-50/53-36/37/38-48/22
  • Safety Statements 26-39-61-37/39-60-36
  • RIDADR UN 3077 9/PG 3
  • WGK Germany 3
  • RTECS BQ7875000
  • 3
  • TSCA Yes
  • HazardClass 9
  • PackingGroup III
  • HS Code 29239000
  • ToxicityLD50 in mice, rats (mg/kg): 32.0, 44.0 i.v. (Isomaa, Bjondahl)
MSDS
Hexadecyl trimethyl ammonium bromide Usage And Synthesis
  • Chemical PropertiesWhite powder. Soluble in water, alcohol, and chloroform.
  • Usesantiinfectant
  • UsesHexadecyltrimethylammonium Bromide (CTAB) is a cationic surfactant used as a template in the synthesis of Mesoporous γ-Fe2O3.
  • UsesA cationic detergent used in the isolation of high molecular weight DNA.
  • Usescetrimonium bromide is a quaternary ammonium salt that can prevent the proliferation of bacteria, fungi, and yeast in cosmetic preparation, while also act as an emulsifying agent.
  • DefinitionChEBI: The organic bromide salt that is the bromide salt of cetyltrimethylammonium; one of the components of the topical antiseptic cetrimide.
  • Purification MethodsCrystallise it from EtOH, EtOH/*benzene or from wet acetone after extracting twice with pet ether. Shake it with anhydrous diethyl ether, filter and dissolve it in a little hot MeOH. After cooling in the refrigerator, the precipitate is filtered off at room temperature and re-dissolved in MeOH. Anhydrous ether is added and, after warming to obtain a clear solution, it is cooled and the crystalline material is collected. [Dearden & Wooley J Phys Chem 91 2404 1987, Hakemi et al. J Am Chem Soc 91 120 1987, Beilstein 4 IV 819.]
Hexadecyl trimethyl ammonium bromide Preparation Products And Raw materials
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