Molekula
Benzalkonium Chloride (5 mL of approx. 4% aqueous solution) - USP CRS
Supplying 4,500+ customers in over 80 countries
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
Benzalkonium Chloride is a quaternary ammonium compound widely used as a disinfectant, antiseptic, and surfactant in pharmaceuticals, cosmetics, and cleaning products. This USP Certified Reference Standard (CRS) provides a precise analytical benchmark for quality control in formulations requiring high purity and consistency. It features a CAS number of 8001-54-5 and a molecular formula of C6H5CH2N(CH3)2RCl (where R ranges from C8H17 to C18H37). The solution is supplied at approximately 4% concentration in 5 mL vials, with a signal word of Danger indicating its hazardous nature. It is stable at ambient storage conditions. Molekula supplies Benzalkonium Chloride USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90035722 |
| CAS Number | 8001-54-5 |
| Molecular Formula | C6H5CH2N(CH3)2RCl (R=C8H17 to C18H37) |
| Molecular Weight | - |
| SMILES | CCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1.[Cl-] |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 34024190 |
| Tariff Code | 3402410000 |
Safety & GHS
-
Corrosive
GHS05
Hazard statements
- H315 Causes skin irritation
- H318 Causes serious eye damage
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face 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
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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 Benzalkonium Chloride (4% aqueous solution) commonly used for?
This solution is primarily used as a disinfectant, antiseptic, and preservative in pharmaceuticals, cosmetics, and contact lens solutions due to its broad-spectrum antimicrobial activity.
What is the chemical formula and molecular weight of Benzalkonium Chloride?
The formula is **C6H5CH2N(CH3)2RCl** (where **R = C8H17 to C18H37**), but the exact molecular weight varies due to the variable alkyl chain length.
How should Benzalkonium Chloride (4% solution) be stored?
Store at ambient temperature (15–30°C) in a tightly sealed container, away from direct sunlight and incompatible substances.
What grade is available for this Benzalkonium Chloride solution?
This product is supplied as **USP CRS (United States Pharmacopeia Chemical Reference Substance)**, meeting strict purity and quality standards for pharmaceutical applications.
Can Molekula supply Benzalkonium Chloride in bulk quantities beyond 5 mL?
Yes, we can provide larger volumes or custom formulations of Benzalkonium Chloride in bulk—please contact us for pricing and availability.
What documentation comes with an order of this product?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **USP CRS compliance documentation** for traceability and regulatory compliance.
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.