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Key Documents

8.40008

Sigma-Aldrich

1-Cetylpyridinium chloride monohydrate

for synthesis

Synonym(s):

1-Cetylpyridinium chloride monohydrate, N-Hexadecylpyridinium chloride, 1-Hexadecylpyridinium chloride monohydrate

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About This Item

Empirical Formula (Hill Notation):
C21H38ClN · xH2O
CAS Number:
6004-24-6
Molecular Weight:
339.99 (anhydrous basis)
MDL number:
MFCD00149977
UNSPSC Code:
12352107
EC Index Number:
204-593-9
NACRES:
NA.22

Quality Level

200

form

solid

pH

5.0-5.4 (20 °C, 10 g/L in H2O)

mp

80-84 °C

bulk density

370 kg/m3

storage temp.

2-30°C

InChI

1S/C21H38N.ClH.H2O/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;1H2/q+1;;/p-1

InChI key

NFCRBQADEGXVDL-UHFFFAOYSA-M

Application

  • Reduction of bacterial contamination in meat processing: Cetylpyridinium chloride was used as an antimicrobial agent on beef hides, demonstrating significant effectiveness in reducing bacterial contamination, which is crucial for food safety in meat processing industries (Baird et al., 2006).
  • Antibacterial effects in dental materials: The dentin primer containing cetylpyridinium chloride in Clearfil Protect Bond showed notable antibacterial effects against oral pathogens, suggesting its potential use in enhancing the antimicrobial properties of dental restorative materials (Imazato et al., 2006).
  • Antimicrobial activity on frankfurters: Cetylpyridinium chloride was effective in controlling Listeria monocytogenes on frankfurters, highlighting its role in improving food safety and extending shelf life in processed meat products (Singh et al., 2005).
  • Chemical treatment of periodontally involved root surfaces: A study utilized cetylpyridinium chloride in a chemical treatment modality for periodontally involved human root surfaces, illustrating its effectiveness in root surface preparation for dental procedures (Okte and Bal, 2000).

Analysis Note

Assay (argentometric, calc. on anhydrous substance): ≥ 96.0 %
Water (K. F.): 4.5 - 5.5 %
Identity (IR): passes test

Signal Word

Danger

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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