52340

Hexadecyl-pyridiniumbromid

≥97.0%, suitable for titration

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

Eigenschaften

• Produktname: Hexadecyl-pyridiniumbromid, ≥97.0%
• description: cationic
• Quality Segment: 100
• assay: ≥97.0%
• form: powder
• mol wt: 384.44 g/mol
• reaction suitability: reaction type: phase-transfer
• technique(s): 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
• InChI key: DVBJBNKEBPCGSY-UHFFFAOYSA-M

Beschreibung

General description

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.

Application

Hexadecylpyridinium bromide can be used as a cationic surfactant to:

• Prepare a polyfluorate salt.
• Inhibit the corrosion of mild steel in acidic media.

Sicherheitshinweise

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