Product name : BKC 50
Item : Biocide BKC 50%
Type : Oilfield Biocides
CAS : 63449-41-2, 8001-54-5, 139-07-1
QC : HG/T 2230-2006, BIC
Application : Biocides, Microbial Control
Similar to : Empigen BAC 50, Preventol RI 50
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Packages : 200Kg, 1000Kg
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BKC 50 is one of the quaternary ammonium based biocides which is made from benzalkonium chloride solution (BKC 50% purity). As a cationic surfactant, the biocidal efficacy of BKC 50% solution depends on its capability of binding to intracellular membranes and disrupting cell biochemical processes. Disruption of these processes ensures BKC 50 with a high activity against algae, bacteria, fungi and enveloped viruses at low ppm concentrations. BKC, the major ingredient of BKC 50 & BKC 80, has pass the stringent european standard of BS EN 1276 microbicidal testing. Bichain is one of reliable benzalkonium chloride manufacturers and suppliers of BKC 50benzalkonium chloride 50, BKC 50% solution for oilfield water treatment. It has three CAS numbers: CAS 8001-54-5CAS 63449-41-2 and CAS 139-07-1. We supply high quality benzalkonium chloride solution like Empigen BAC 50 and Preventol RI 50.
Molecular weight:  340.0
Molecular Formula: C21H38NCl
Structural Formula:
BKC 50 50% spec
Technical Data:
BKC 50% 50 spec
Oil & Gas:
Benzalkonium chloride products (BKC 50 & BKC 80):
♦Control sulphate-reducing bacteria (SRB) activities in oil well, Avoid pitting of steel equipment and pipelines.
♦Control SRB and aviod oil well souring and the liberation of toxic H2S gas.
♦Used in water flooding for enhanced oil recovery through de-emulsification and sludge breaking.
Water treatment:
Benzalkonium chloride solution (BKC 50% & BKC 80%) based products are used in water & effluent treatment and as algaecides for swimming pools.
Disinfectant, detergent, sanitizer
Due to its properties of non-toxic, non-tainting, non-corrosive, non-staining, benzalkonium chloride is the main active ingredient in the formulation of disinfectants and bactericidal sanitisers for personal hygiene, healthcare, agriculture and food supply. BKC 50 & BKC 80 can be safely incorporated into hygiene products so as to enhance both penetration and removal of soil and surfaces disinfection.
Pharmaceutical & cosmetic:
Due to its safety, benzalkonium chloride 50 & 80) is widely used in a range of leave-on skin sanitisers and sanitary baby wipes. BKC is widely used as a preservative in ophthalmic, nasal and aural pharmaceutical preparations as well as to optimise emolliency and substantivity in formulations.
Horticulture & household:
Benzalkonium chloride disinfectant (BKC 50% & BKC 80%) is highly effective against mould, mildew, moss, fungi & algae and is used for cleaning and preparation of all types of surfaces like greenhouses, roofing, paths, wooden decking, sheds, masonry.
Benzalkonium chloride solution can reduce antibiotic requirement in aquaculture through improved hygiene. BKC 50 & BKC 80 are used for water treatment, fish parasite removal, general site disinfection and infectious disease prevention in fish & shellfish.
Timber protection:
Benzalkonium chloride biocide (BKC 50% & BKC 80%) displays excellent fungicidal and algaecidal properties, and is highly effective against other organisms in combination formulations.
Pulp & paper industry:
Benzalkonium chloride 50 & 80) can be used as a general microbicide for slime control & odour management in pulp mills. It improves paper handling and imparts strength & antistatic properties to paper products.
Textile industry:
Benzalkonium chloride disinfectant (BKC 50% & 80%) can be used to protect natural fibres from mould and fungi and as a moth repellent. It also acts as a permanent retarder in the dyeing of acrylic fibres with cationic dyestuffs.
Leather industry:
Benzalkonium chloride inhibits growth of mould & mildew on hides and facilitates softening, wetting & dyeing of leather.
Chemical industry:
Quaternary ammonium compounds have different applications in the chemical industry as precipitant, phase transfer catalyst due to its ability to localise at oil, water and air, water interfaces, emulsifier, de-emulsifier, etc.
Polymer & coatings:
Quaternary ammonium compounds are widely used as anti-static, emulsifier & preservative in the coatings industry (paints, wood treatment, electronics)

Package and Storage
Package: 200L plastic drum, IBC (1000L) or customers’ requirement. Store in dry cool and ventilation environment.
Shelf time: two years
Recommended Dosage
As nonoxidizing boicide, dosage of 50-100mg/L is preferred; 
As sludge remover, 200-300mg/L is preferred, adequate organosilyl antifoaming agent should be added for this purpose. 
This product can be used together with other fungicidal such as isothiazolinones, glutaraldegyde, dithionitrile methane for synergism, but cannot be used together with chlorophenols. If sewage is appeared after thrown of this product in circulating cool water, the sewage should be filtered or blown off in time to prevent their deposit in bottom of collecting tank after froth disappearance.
No blending with anion surfactant.

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