C21H38ClN
340 g/mol
OtherDanger
Cetylpyridinium chloride
CAS123-03-5EC204-593-9
Category
Other
Compound Class
n.a
Primary Use
Antiseptic for oral care
Cetylpyridinium chloride is a cationic quaternary ammonium compound with antiseptic properties. It is commonly used in oral care products to kill bacteria and reduce dental plaque and gingivitis.
mouthwashestoothpastesthroat sprays
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Cetylpyridinium bromide
CAS140-72-7
pharmaceutical raw material
StrongSame Parent
Cetylpyridinium chloride monohydrate
CAS6004-24-6
pharmaceutical raw material
StrongStructure SimilarSimilarity 1.00
Laurylpyridinium chloride
CAS104-74-5
pharmaceutical raw material
SimilarStructure SimilarSimilarity 0.81
N-butylpyridinium chloride
CAS1124-64-7
pharmaceutical intermediate
ReferenceSame Category
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research reagent
ReferenceSame Category
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research reagent
ReferenceSame Category
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Pharmaceutical intermediate
ReferenceSame Category
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Research compound
Safety Reference
Danger
H301Toxic if swallowed
H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H330Fatal if inhaled
H335May cause respiratory irritation
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for Cetylpyridinium chloride (CAS 123-03-5) is 2933.39.
HS code (international, 6-digit)
2933.39
EU CN code (8-digit)
2933 39 99
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1-hexadecylpyridin-1-ium chloride
InChIKey
YMKDRGPMQRFJGP-UHFFFAOYSA-M
SMILES
CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1.[Cl-]
Synonyms (135)
- SARINA
- Cetylpyridinii chloridum [INN-Latin]
- Chlorure de cetylpyridinium [INN-French]
- Cloruro de cetilpiridinio [INN-Spanish]
- 1-Cetylpyridinium chloride
- 1-Palmitylpyridinium chloride
- Acetoquat CPC
- Aktivex
- Alcohol Free
- Alcohol Free Antiseptic
- Ammonyx CPC
- Antiplaque solution
- Antiseptic Oral Rinse
- Antispetic
- BioShell
- Biosept
- Breath mellow Azalea Peach
- Breath mellow Water Lily
- BreathAway
- CETYLPRYIDINIUM CHLORIDE
- COOL SENSE STICK GARGLE
- CVS Antiseptic
- Caswell No. 166A
- Catamium
- Ceeprin chloride
- Ceepryn
- Ceepryn chloride
- Cepacol
- Cepacol Antibacterial
- Cepacol chloride
- Ceprim
- Cetamium
- Cetilpiridinio cloruro
- Cetylpridinium Chloride
- Cetylpyridini chloridum
- Cetylpyridinii chloridum
- Cetylpyridinium cloride
- Chloride, Ceepryn
- Chloride, Cetylpyridinium
- Chlorure de cetylpyridinium
- CleanZing
- CloSYS Silver Healthy Gums
- Cloruro de cetilpiridinio
- Corinz
- Crest Pro-Health Advantage
- Crest Pro-Health Clinical
- Crest Pro-Health Germ Guard
- Crest Pro-Health Gum Care
- Crest Scope Original
- Dobendan
- Double X CONCENTRATED
- DuoCare Clinical Oral Rinse
- E-zen Gargle
- Equate Healthy Mouth
- Family Wellness Total Health
- Fixanol C
- Gppe dental rinse
- Gppe oral liq
- HYVEE PRO CLEAN BLUE MINT
- Health
- Hello Peace Out Plaque
- Hello empower mint
- Intexsan CPC
- Kalaya Breath Refresh
- Killfire mouth freshener
- LAMRING COOL MINT
- LAMRING STRAWBERRY
- Mastikis fresh gargle
- Medilave
- Merocet
- Merocets plus
- Merovit
- Mint Alcohol Free
- Multi-Action Antiseptic
- N-Cetylpyridinium chloride
- Oral B Gum Detoxify
- Oral B Plaque Defense
- Oral-B Anti-Bacterial
- PerCara Oral Health Rinse
- Pristacin
- Pyrisept
- QCare
- QUALITY CHOICE MINT
- Quaternario CPC
- ReddyPort Antiplaque Solution
- SARINA ANTISEPTIC
- Scope
- Scope Icy Blast
- Search
- Suction Toothbrushes
- Swabettes Hoechst
- TARGET UP AND UP GUM CARE
- TheraBreath Healthy Gums
- TheraStom
- Therabreath Plaque Control
- Tserigel
- Zestymint Antiseptic
- cAtylpyridinium (cation)
- cetylpyridinium chloratum
- cetylpyridinium chloride
- cetylpyridium chloride
- hexadecylpyridine, chloride
- hexadecylpyridinium chloride
- mouth fresh
- mouthwash
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