52367

Hexadecyltrimethylammoniumbromid

suitable for ion pair chromatography, LiChropur^™

• Synonym(e): CTAB, Cetrimoniumbromid, Cetyltrimethylammoniumbromid, Palmityltrimethylammoniumbromid
• Lineare Formel: CH₃(CH₂)₁₅N(Br)(CH₃)₃
• CAS-Nummer: 57-09-0
• Molekulargewicht: 364.45
• Beilstein: 3598189
• EG-Nummer: 200-311-3
• MDL-Nummer: MFCD00011772
• UNSPSC-Code: 12000000
• PubChem Substanz-ID: 329757827
• NACRES: NB.21

Eigenschaften

• Beschreibung: cationic
• Qualitätsniveau: 100
• Assay: ≥99.0% (AT)
• Form: powder or crystals
• Qualität: LiChropur^™
• Mol-Gew.: average mol wt 62,000
• Aggregatnummer: 170
• Methode(n): ion pair chromatography: suitable
• CMC: 0.92
• mp (Schmelzpunkt): 248-251 °C (lit.)
• Löslichkeit: H₂O: soluble 36.4 g/L at 20 °C (completely)
• λ: 10 % in methanol
• UV-Absorption: λ: 240 nm A_max: 0.04; λ: 250 nm A_max: 0.03; λ: 260 nm A_max: 0.02; λ: 500 nm A_max: 0.02
• HLB: 11
• Eignung: corresponds to standard for filter test
• SMILES String: [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C
• 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
• InChIKey: LZZYPRNAOMGNLH-UHFFFAOYSA-M

Beschreibung

Allgemeine Beschreibung

Hexadecyltrimethylammonium bromide (CTAB) is a quaternary ammonium salt containing one long hydrophobic alkyl chain called amphiphile. The hydrophobic ions interact forming discrete aggregates possessing a hydrophobic core and a polar surface, called micelles in polar solution.

Hexadecyltrimethylammonium bromide (CTAB) is one of the most studied cationic surfactant.

Anwendung

CTAB was used in preparing buffer solutions prepared during the determination of organic acids in port wine capillary zone electrophoresis using indirect UV detection with 2,6-pyridinedicarboxylic acid.

Sonstige Hinweise

Additiv für die Ionenpaar-Chromatographie; Ionenpaar-Reagenz für die DC

Rechtliche Hinweise

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Piktogramme: GHS08,GHS05,GHS07,GHS09
• Signalwort: Danger
• H-Sätze: H302,H315,H318,H335,H373,H410
• P-Sätze: P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P314
• Gefahreneinstufungen: Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2 - STOT RE 2 Oral - STOT SE 3
• Zielorgane: Gastrointestinal tract, Respiratory system
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): 471.2 °F - closed cup
• Flammpunkt (°C): 244 °C - closed cup
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Faceshields, Gloves