Water Treatment Chemicals, Phosphonates, Polymers, Biocides


Bactericide and Algicide

Dodecyl Dimethyl Benzyl ammonium Chloride
(Benzalkonium Chloride)

CAS No.: 8001-54-5 or 63449-41-2, 139-07-1

Molecular weight: 340.0

Molecular Formula: C21H38NCl

Structural Formula:

Benzalkonium Chloride Structural Formula


Dodecyl Dimethyl Benzyl ammonium Chloride is a kind of cationic surfactant, belonging to nonoxidizing boicide. Benzalkonium Chloride can efficiently withhold algae propagation and sludge reproduction. Benzalkonium Chloride also has dispersing and penetrating properties, Dodecyl Dimethyl Benzyl ammonium Chloride can penetrate and remove sludge and algae, it has advantages of low toxicity, no toxicity accumulation, soluble in water, convenient in use, unaffected by water hardness. Dodecyl Dimethyl Benzyl ammonium Chloride can be also used as anti-mildew agent, antistatic agent, emulsifying agent and amendment agent in woven and dyeing fields.


items index
Appearance Colorless to yellowish transparent liquid Yellowish transparent liquid
Solid content % 48~52 78~82
Amine salt % 2.0 max 1.0 max
pH 6.0~8.0(as it) 6.0-8.0(1% water solutiong)
Flowability normal good fluidity


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. Dodecyl Dimethyl Benzyl ammonium Chloride 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.

Package and Storage:

200L plastic drum,IBC(1000L),customers’ requirement. Storage for two year in shady room and dry place.

Safety Protection:

A little smell of almond, no visible stimulation to skin. When contacted, flush with water.


Tetrakis(hydroxymethyl)phosphonium sulfate(THPS)
2 2-dibromo-3-nitrilo-propionamide (DBNPA)

Shandong IRO Water Treatment Co., Ltd.

Office Address: 2802, 1st Building, No.19 Zhangzhou 2nd Rd, Qingdao, China
Factory Address: Qucun Town, Shizhong, Zaozhuang, Shandong, China
Tel: +86-532-85027466 Fax: +86 532 85028486
Email: info@irowater.com

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