52365

Hexadecyltrimethylammonium bromide

BioUltra, ≥99.0% (AT)

• Synonym(s): CTAB, Cetrimonium bromide, Cetyltrimethylammonium bromide, Palmityltrimethylammonium bromide
• Linear Formula: CH₃(CH₂)₁₅N(Br)(CH₃)₃
• CAS Number: 57-09-0
• Molecular Weight: 364.45
• Beilstein: 3598189
• EC Number: 200-311-3
• MDL number: MFCD00011772
• UNSPSC Code: 12161900
• PubChem Substance ID: 57651369
• NACRES: NA.25

Properties

• grade: Molecular Biology
• Quality Level: 200
• description: cationic
• product line: BioUltra
• Assay: ≥99.0% (AT)
• form: powder or crystals
• mol wt: micellar avg mol wt 62,000
• aggregation number: 170
• impurities: DNases, none detected; RNases, none detected; insoluble matter, passes filter test; phosphatases, none detected; proteases, none detected
• ign. residue: ≤0.2%
• loss: ≤0.5% loss on drying
• pH: 5.0-7.0 (25 °C, 0.1 M in H₂O)
• CMC: 0.92; 1 mM (20-25°C)
• mp: 248-251 °C (lit.)
• solubility: H₂O: 0.1 M at 40 °C, clear, colorless
• anion traces: sulfate (SO₄^2-): ≤50 mg/kg
• cation traces: Al: ≤5 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤50 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; Na: ≤50 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
• SMILES string: [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C
• λ: 0.1 M in H₂O
• UV absorption: λ: 260 nm A_max: 0.06; λ: 280 nm A_max: 0.05
• HLB: 10
• InChI: 1S/C19H42N.BrH/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(2,3)4;/h5-19H2,1-4H3;1H/q+1;/p-1
• InChI key: LZZYPRNAOMGNLH-UHFFFAOYSA-M

Description

Application

Hexadecyltrimethylammonium bromide has been used for the isolation of plant high molecular weight DNA as well as plant DNA for use in PCR analysis. It has also been used to preciptate nucleic acids.

Safety Information

• Pictograms: GHS08,GHS05,GHS07,GHS09
• Signal Word: Danger
• Hazard Statements: H302,H315,H318,H335,H373,H410
• Precautionary Statements: P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P314
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2 - STOT RE 2 Oral - STOT SE 3
• Target Organs: Gastrointestinal tract, Respiratory system
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): 471.2 °F - closed cup
• Flash Point(C): 244 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves