Hexadecyltrimethylammonium bromide(CTAB)-99% -CAS 57-09-0

Product Description

CAS Number: 57-09-0
Molecular Formula: C₁₉H₄₂BrN
Molecular Weight: 364.45 g/mol
Purity: ≥99% (High Purity Grade)
Appearance: White to off-white crystalline powder
Grade: High Purity
Sterile: No

Chemical & Regulatory Information

• UNSPSC Code: 12161902
• UNSPSC Category: Detergents / Surfactants
• Hazard Class: Class 9 (Miscellaneous Dangerous Substances)
• UN Number: UN377
• Packing Group (PG): III
• DG Classification: Yes (Dangerous Goods)

Solubility

• Water: Soluble (~13 g/L at 20°C)
• Methanol: Freely soluble
• Acetone: Slightly soluble
• Benzene & Diethyl Ether: Insoluble

Applications

• DNA & RNA Extraction: CTAB is widely used in plant genomic DNA isolation protocols, particularly effective in removing polysaccharides.
• Nanoparticle Synthesis: Used as a template and stabilizer for mesoporous silica materials and gold nanorods.
• Cationic Surfactant: Common in colloid chemistry and micelle formation.
• Phase-Transfer Catalyst: Facilitates organic reactions involving immiscible reactants.
• Personal Care: An active ingredient in antiseptic formulations and conditioners (as cetrimide derivatives).

Safety & Handling

• Handle in a well-ventilated area with appropriate PPE (gloves, goggles, lab coat).
• Avoid contact with skin, eyes, and clothing.
• Refer to the Safety Data Sheet (SDS) for full hazard, storage, and disposal information.

Storage Conditions

• Store at room temperature in a tightly sealed container.
• Hygroscopic – recommended to store under inert gas (e.g., nitrogen) to prevent moisture uptake.
• Keep away from heat and light.
  

  
  Synonyms: Cetyltrimethylammonium Bromide, Cetrimonium Bromide, N,N,N-Trimethylhexadecylammonium Bromide

Documents

COA

SDS

Disclaimer: For laboratory research use only.