52340

Hexadecylpyridinium bromide

≥97.0%

• Synonym(s): Cetylpyridinium bromide
• Empirical Formula (Hill Notation): C₂₁H₃₈BrN
• CAS Number: 140-72-7
• Molecular Weight: 384.44
• Beilstein: 3778948
• EC Number: 205-428-3
• MDL number: MFCD00011988
• UNSPSC Code: 12352005
• PubChem Substance ID: 57651366
• NACRES: NA.22

Properties

• description: cationic
• Quality Level: 100
• Assay: ≥97.0%
• mol wt: 384.44 g/mol
• 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

Description

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.

Safety Information

• Pictograms: GHS06,GHS05,GHS09
• Signal Word: Danger
• Hazard Statements: H302,H315,H318,H330,H335,H400
• Precautionary Statements: 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
• Target Organs: Respiratory system
• Storage Class Code: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves