52340

Hexadecyl-pyridiniumbromid

≥97.0%

• Synonym(e): Cetylpyridiniumbromid
• Empirische Formel (Hill-System): C₂₁H₃₈BrN
• CAS-Nummer: 140-72-7
• Molekulargewicht: 384.44
• Beilstein: 3778948
• EG-Nummer: 205-428-3
• MDL-Nummer: MFCD00011988
• UNSPSC-Code: 12352005
• PubChem Substanz-ID: 57651366
• NACRES: NA.22

Eigenschaften

• Beschreibung: cationic
• Assay: ≥97.0%
• Mol-Gew.: 384.44 g/mol
• Methode(n): titration: suitable
• SMILES String: [Br-].CCCCCCCCCCCCCCCC[n+]1ccccc1
• InChI: 1S/C21H38N.BrH/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-16-19-22-20-17-15-18-21-22;/h15,17-18,20-21H,2-14,16,19H2,1H3;1H/q+1;/p-1
• InChIKey: DVBJBNKEBPCGSY-UHFFFAOYSA-M

Beschreibung

Allgemeine Beschreibung

Hexadecylpyridinium bromide (HDPB) is a cationic surfactant with quaternary nitrogen located in the aromatic heterocyclic ring of the headgroup and a hydrocarbon tail consisting of 16 carbons. It has application in the polymerization reaction as well as in the extraction and preconcentration of ionic species.[1] [2]

Anwendung

Hexadecylpyridinium bromide can be used as a cationic surfactant to:

• Prepare a polyfluorate salt.[1]
• Inhibit the corrosion of mild steel in acidic media.[3]

Sicherheitshinweise

• Piktogramme: GHS06,GHS05,GHS09
• Signalwort: Danger
• H-Sätze: H302,H315,H318,H330,H335,H400
• P-Sätze: P273 - P280 - P301 + P312 - P302 + P352 - P304 + P340 + P310 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 2 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Eye Dam. 1 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges