Molekula
Cetylpyridinium bromide
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Cetylpyridinium bromide is a quaternary ammonium compound used as an antimicrobial agent in oral care products, disinfectants, and topical antiseptics. It is a white to off-white powder with a molecular weight of 384.44 g/mol, formulated as C21H38N.Br, and identified by CAS number 140-72-7. It should be stored at ambient temperatures and handled with caution due to its warning signal word. Molekula supplies Cetylpyridinium bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Cetylpyridinium bromide is a quaternary ammonium compound used as an antimicrobial agent in oral care products, disinfectants, and topical antiseptics. It is a white to off-white powder with a molecular weight of 384.44 g/mol, formulated as C21H38N.Br, and identified by CAS number 140-72-7. It should be stored at ambient temperatures and handled with caution due to its warning signal word. Molekula supplies Cetylpyridinium bromide from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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100 g — £57.00 per pack
Need a different quantity or pack?
Tell us the quantity you actually need — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price, usually within one working day.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white crystal or powder |
| Melting Point | 65 - 69°C |
| Water | ≤ 5.5% |
| Assay | ≥ 99% |
| Residue on Ignition | ≤ 0.5% |
| Identification (IR) | Conforms to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | II |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 58327387 |
| CAS Number | 140-72-7 |
| Molecular Formula | C21H38N.Br |
| Molecular Weight | 384.44 |
| SMILES | CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1.[Br-] |
| EC / UN Number | 2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933399200 |
| Tariff Code | 2933399999 |
Safety & GHS
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Corrosive
GHS05
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Toxic
GHS06
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Health Hazard
GHS07
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Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H318 Causes serious eye damage
- H330 Fatal if inhaled
- H335 May cause respiratory irritation
- H400 Very toxic to aquatic life
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is cetylpyridinium bromide used for?
It is primarily used as an antimicrobial agent in oral care products, such as mouthwashes and toothpastes, due to its ability to inhibit bacterial growth.
What is the chemical formula and molecular weight of cetylpyridinium bromide?
The formula is C21H38N·Br with a molecular weight of 384.44 g/mol.
How should cetylpyridinium bromide be stored?
It should be stored at ambient temperature, away from moisture and direct sunlight.
What grade of cetylpyridinium bromide does Molekula supply?
Molekula supplies cetylpyridinium bromide in analytical grade, suitable for laboratory and research use.
Can Molekula supply cetylpyridinium bromide in bulk?
Yes, Molekula can supply cetylpyridinium bromide in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a purchase of cetylpyridinium bromide?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.