FeF Benzalkonium Chloride (BCK) Solution 50% (45/55) Ph.Eur., USP/NF

CAS No. 8001-54-5.

The custom-designed Benzalkonium Chloride (BAC / BAK / BKC) 50% product consisting of Benzyl (dodecyl) dimethyl ammonium chloride (approx. 45%) and Benzyl (tetradecyl) dimethyl ammonium chloride (approx. 55%). Contains approx. 50% active ingredients.

Manufactured in accordance with the cGMP Guideline ICH Q7 for Active Pharmaceutical Ingredients. Analysed according to the current European (Ph.Eur.) and United States (USP/NF) Pharmacopoeias.

The appearance of the product is clear, colourless or slightly yellow, viscous liquid. The density of Benzalkonium Chloride (BKC) Solution 50% is approx. 0.98 g/ml.

Chain length: 42.5-47.5% w/w C12 and 52.5-57.5% w/w C14.

Please note that this product is only manufactured to order.

Item number: 7800020

Packaging size: 1kg bottle (also available in 25 kg jug – item number 7800019).  



FeF Benzalkonium Chloride Solution (BKC) 50% (45/55) Ph.Eur., USP/NF is a viscous, aqueous solution of quaternary ammonium compounds.

FeF BKC 50% (45/55) Ph.Eur., USP/NF is a very efficient germicide which is active against most common micro-organisms, such as bacteria, fungi, algae and enveloped viruses. FeF BKC 50% (45/55) Ph.Eur., USP/NF is widely used in pharmaceuticals as the active ingredient (API) due to its anti-microbial effect and as an excipient because of its preserving properties.

25 kg jug


1 kg bottle


  • Certificate of Suitability (CEP/COS)
  • European Drug Master File (ASMF)
  • DUNS for US import
  • GMP Certificate (enter Certificate number DK API-H 00073316 and choose Denmark in the country field list)
  • Certificate of Analysis (current version of pharmacopoeia)
  • Datasheet
  • Customer audits
  • Stability results
  • Declarations, statements (TSE/BSE, residual solvents, GMO, allergens, animal testing, etc.)
  • Reach
  • Change Notification Statement
  • Pre-filled Supplier Questionnaire
  • Impurity profile
  • Description of the manufacturing process
  • Process flowchart
  • Packaging details
  • Quality agreements

Standards: The quality system meets DS/EN ISO 9001. The environmental system meets DS/EN ISO 45001 and

ISO45001 Occupational health and safety management.

Grade: Pharmaceutical grade.

Quality: The product is manufactured in accordance with the cGMP Guide for Active Pharmaceutical Ingredients (API) ICH Q7.

Documentation: Certificate of Suitability (CEP), Drug Master File (DMF)

BSE/TSE: Does not contain materials of animal origin.

Solubility: Miscible with water or lower alcohols, such as methanol, ethanol and propanol in all ratios. Not miscible with benzene nor ether.

Compatibility: Mixing with ordinary soaps and/or with anionic detergents may decrease the activity.

Density: Approx. 0.98 g/ml.

Packaging: Packaged in rectangular 1kg and 25kg HDPE containers with tamper proof HDPE caps.

Shelf life: 5 years.

Storage: Store at temperatures above 15°C. Store protected from excessive heat. May form a solid gel or a viscous precipitate at low temperatures.

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