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CAS NUMBER: 68424-85-1
EC NUMBER: 270-325-2
CAS NAME: Quaternary ammonium compounds, benzyl-C12-16-alkyldimethyl, chlorides
MOLECULAR FORMULA: C17H30ClN
MOLECULAR WEIGHT: 340.0 – 396.1 g/mol
DESCRIPTION:
Alkyl (C12-16) dimethylbenzyl ammonium chloride is not manufactured solvent-free, but in process solvents as technical concentrate (in water or water/alcohol).
The active substance does not contain any additive nor any relevant impurity.
Only significant impurities are present.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is an antimicrobial used in agricultural, food handling, commercial/ institutional/ industrial, residential and public access, and medical settings.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is a water-based concentrate, which is not expected to pose any physical hazard, either.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is not expected to be readily absorbed from the gastrointestinal tract or skin being a highly ionic compound.
The majority of Alkyl (C12-16) dimethylbenzyl ammonium chloride metabolism is expected to be carried out by intestinal flora; the metabolites, which account for less than 60% of the administered dose, include hydroxyl- and hydroxyketo- derivatives of the dodecyl, tetradecyl and hexadecyl chains.
The active substance Quaternary ammonium compounds, Alkyl (C12-16) dimethylbenzyl ammonium chlorides is highly ionic and, therefore, it is expected not to be readily absorbed from the gastrointestinal tract or skin.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is not expected to be a respiratory sensitizer.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is a non-volatile active substance and therefore the inhalation uptake can be considered as negligible in assessing the exposure due to the local effects.
Alkyl (C12-16) dimethylbenzyl ammonium chloride contains 25% C12-16-ADBAC in water and no other components.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is not volatile as the vapour pressure is <10-5 hPa (<10-3 Pa) at 50°C.
In addition, from the skin irritation endpoint the product is classified as corrosive and is assigned R34.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is considered that evaluation of the acute inhalation toxicity is not justified.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is a type of cationic surfactant.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is an organic salt classified as a quaternary ammonium compound.
Alkyl (C12-16) dimethylbenzyl ammonium chloride has three main categories of use: as a biocide, a cationic surfactant, and a phase transfer agent.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is a mixture of alkylbenzyldimethylammonium chlorides, in which the alkyl group has various even-numbered alkyl chain lengths.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is a mixture of alkylbenzyldimethylammonium chlorides of various even-numbered alkyl chain lengths.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is a nitrogenous cationic surface active agent belonging to the quaternary ammonium group.
Alkyl (C12-16) dimethylbenzyl ammonium chloride has three main categories of use; as a biocide, a cationic surfactant and phase trasfer agent in the chemical industry.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is readily soluble in ethanol, IPA and acetone.
Although dissolution in water is slow, aqueous solutions are easier to handle and are preferred.
Solutions should be neutral to slightly alkaline, with colour ranging from colourless to a pale yellow.
Solutions foam profusely when shaken.
Alkyl (C12-16) dimethylbenzyl ammonium chlorides are disinfectants that are well known and widely used both by professionals and the general public.
Alkyl (C12-16) dimethylbenzyl ammonium chlorides are quite efficacious against bacteria, yeasts and enveloped viruses, both in clean and dirty conditions.
For these reasons, Alkyl (C12-16) dimethylbenzyl ammonium chloride can be used as one stop solution for cleaning and disinfection.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is a highly active, broad spectrum quaternary which is extremely effective in hard water.
Alkyl (C12-16) dimethylbenzyl ammonium chloride can be formulated into a wide variety of disinfectant, sanitizer and fungicidal products for use in nursing homes, hospitals and public institutions.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is a quaternary ammonium based antimicrobial used as a disinfectant, sanitizer, germicide, deodorant, fungicide and(or) algaecide.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is used as an antimicrobial to control slime in Pulp and Paper (FDA approved) and as a swimming pool algaecide.
PROPERTIES:
-Content of the a.s. [g/kg]: 500
-Function of preparation: Fungicide/fungistatic
-Physical state of preparation: Liquid
-Nature of preparation: Water-based concentrate
PHYSICAL AND CHEMICAL PROPERTIES:
Alkyl (C12-16) dimethylbenzyl ammonium chloride is a white/light beige sticky solid with hygroscopic behaviour and faint marzipan-like odour.
Alkyl (C12-16) dimethylbenzyl ammonium chloride's relative density D4 20 is ≈0.9.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is thermally stable, non-volatile and highly soluble in water.
Water solubility was found to be independent of temperature.
The is fully ionized in water.
The partition coefficient n-octanol/water is not determinable by the use of the shake-flask method, since the a.s. is a surfactant.
The HPLC Method is not applicable either, due to the absence of suitable calibration compounds and to the interaction of the a.s. with the HPLC column by forces other than partitioning.
USES:
-Used as an antimicrobial/insecticide/fungicide with applications including agricultural (ornamental plants)
-food handling
-medical
-swimming pools
-wood preservation
-industrial water systems (recirculating cooling water, pulp and paper, drilling muds, oil well injection, and saltwater disposal)
PRODUCT DESCRIPTION:
-Main Applications: Industrial
-Characteristic: Light yellow to colourless liquid
-Purity: 80%
-Quality Standards: Production certified according to ISO 9001
SPECIFICATION:
-Active matter, % Min.: 80
-Free Amine, % Max.: 2
-Hazen Max.: 200
-pH (1% aqueous solution): 5 to 9
CLASS:
-Nucleating Agents and Quaternary Compounds
-Drilling and Completion Fluids
-Commercial Chemicals
-Drilling Fluid Additives
-Biocides
SOLUBILITY AND PHYSICAL PROPERTIES:
Depending on purity, Alkyl (C12-16) dimethylbenzyl ammonium chloride ranges from colourless to a pale yellow (impure).
Alkyl (C12-16) dimethylbenzyl ammonium chloride is readily soluble in ethanol and acetone.
Dissolution in water is ready, upon agitation.
Aqueous solutions should be neutral to slightly alkaline.
Concentrated solutions have a bitter taste and a faint almond-like odour.
Standard concentrates are manufactured as 50% and 80% w/w solutions, and sold under trade names such as BC50, BC80, BAC50, BAC80, etc.
The 50% solution is purely aqueous, while more concentrated solutions require incorporation of rheology modifiers (alcohols, polyethylene glycols, etc.) to prevent increases in viscosity or gel formation under low temperature conditions.
BIACTIVE AGENTS:
-Pharmaceutical products such as eye, ear and nasal drops or sprays, as a preservative.
-Personal care products such as hand sanitizers, wet wipes, shampoos, soaps, deodorants and cosmetics.
-Skin antiseptics and wound wash sprays, such as Bactine.
-Throat lozenges and mouthwashes, as a biocide
-Spermicidal creams.
-Cleaners for floor and hard surfaces as a disinfectant, such as Lysol and Dettol antibacterial spray and wipes.
-Algaecides for clearing of algae, moss, lichens from paths, roof tiles, swimming pools, masonry, etc.
USAGE AREAS:
-Medicine:
Alkyl (C12-16) dimethylbenzyl ammonium chloride is a frequently used preservative in eye drops; typical concentrations range from 0.004% to 0.01%.
Stronger concentrations can be caustic and cause irreversible damage to the corneal endothelium.
Avoiding the use of Alkyl (C12-16) dimethylbenzyl ammonium chloride solutions while contact lenses are in place is discussed in the literature.
Due to Alkyl (C12-16) dimethylbenzyl ammonium chloride's antimicrobial activity when applied to skin, some topical medications for acne vulgaris have benzalkonium chloride added to increase the products’ efficiency or shelf-life.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is scientifically proven to be a successful spermicide.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is used as a contraceptive. Tablets are inserted vaginally, or a gel is applied, resulting in local spermicidal contraception.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is not a wholly reliable method, and can cause irritation.
-Beekeeping:
Alkyl (C12-16) dimethylbenzyl ammonium chloride is used in beekeeping for the treatment of rotten diseases of the brood.
-Adverse effects:
Although historically Alkyl (C12-16) dimethylbenzyl ammonium chloride has been ubiquitous as a preservative in ophthalmic preparations, its ocular toxicity and irritant properties, in conjunction with consumer demand, have led pharmaceutical companies to increase production of preservative-free preparations, or to replace benzalkonium chloride with preservatives which are less harmful.
Many mass-marketed inhaler and nasal spray formulations contain Alkyl (C12-16) dimethylbenzyl ammonium chloride as a preservative, despite substantial evidence that it can adversely affect ciliary motion, mucociliary clearance, nasal mucosal histology, human neutrophil function, and leukocyte response to local inflammation.
Although some studies have found no correlation between use of Alkyl (C12-16) dimethylbenzyl ammonium chloride in concentrations at or below 0.1% in nasal sprays and drug-induced rhinitis, others have recommended that benzalkonium chloride in nasal sprays be avoided.
In the United States, nasal steroid preparations that are free of Alkyl (C12-16) dimethylbenzyl ammonium chloride include budesonide, triamcinolone acetonide.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is an irritant to middle ear tissues at typically-used concentrations.
Occupational exposure to benzalkonium chloride has been linked to the development of asthma.
A large clinical trial designed to evaluate the efficacy of hand sanitizers based on different active ingredients in preventing virus transmission amongst schoolchildren was re-designed to exclude sanitizers based on benzalkonium chloride due to safety concerns.
Alkyl (C12-16) dimethylbenzyl ammonium chloride has been in common use as a pharmaceutical preservative and antimicrobial since the 1940s.
While early studies confirmed the corrosive and irritant properties of Alkyl (C12-16) dimethylbenzyl ammonium chloride, investigations into the adverse effects of, and disease states linked to, benzalkonium chloride have only surfaced during the past 30 years.
TYPICAL PROPERTIES:
-Chain length distribution: 70% C12 + 30% C14
-Appearance at 25C: Clear liquid
-Colour: Pale yellow
-Density at 20C: 0.98 g/cm3
-Viscosity at 20C: 120 m.Pa.s
-Active matter (mmw 354): 50.0 +/- 1.0
-Free Amine (mmw 221): 0.50% max.
-pH (5% sol): 8.0 +/- 1.0
-composition: 50% active solution in water
-Stability in application: Stable in the presence of light, over the pH range 4 - 10 and up to 120°C
APPLICATION:
-Alkyl (C12-16) dimethylbenzyl ammonium chloride is used as a broad spectrum disinfectant
-Alkyl (C12-16) dimethylbenzyl ammonium chloride is used for microbe corrosion inhibition in the oil industry
-Alkyl (C12-16) dimethylbenzyl ammonium chloride is used as a preservative in cosmetics.
-Alkyl (C12-16) dimethylbenzyl ammonium chloride is used in formulations of mild cleaners.
-Alkyl (C12-16) dimethylbenzyl ammonium chloride is used in fungicidal products to kill fungus, mould and algae.
-Alkyl (C12-16) dimethylbenzyl ammonium chloride is used as phase transfer agent.
COSMETIC USES:
-antimicrobial agents
-antistatic agents
-deodorants
-preservatives
-surfactants
CHEMICAL PROPERTIES:
-Boiling point: 100 °C
-density: 0.98
-vapor pressure: 0.001-0.006Pa at 20-25℃
-Fp: 41 °C
-storage temp.: 2-8°C
-form: Solid:crystalline
-LogP: 0.004-2.75 at 20℃
-Surface tension: 28.27mN/m at 1g/L and 19.7℃
STORAGE:
Store in a dry place no lower in temperature than 50øF or higher than 120øF.
Do not handle or store near an open flame, heat or other sources of ignition.
Alkyl (C12-16) dimethylbenzyl ammonium chloride is used can accumulate static charge which may cause spark and become an ignition source.
TECHNICAL NAMES:
Alkyl (C-14 50%, C-12 40%, C-16 10%) Dimethyl Benzyl Ammonium Chloride
Alkyl (C12-16) Dimethylbenzylammonium Chloride
Alkyl Dimethylbenzyl Ammonium Chloride
Benzalkonium Chloride (INCI)
Benzyl-C12-16-Alkyldimethyl Ammonnium Chlorides
Composes de l'Ion Ammonium Quaternaire, Benzylalkyl en C12-16 Dimethyles, Chlorures (French)
Compuestos de Amonio Quaternario, Bencil-C12-16-Alquildimetil, Cloruros (Spanish)
n-Alkyl (C12-16) Dimethylbenzyl Ammonium Chloride
Quaternary Ammonium Compounds, Benzyl-C12-16-Alkyldimethyl, Chlorides
Quaternary Ammonium Compounds, Benzyl-C12-16-Alkyldimethyl, Chlorides
SYNONYM:
ADBAC
Ammonium, alkyl(C12-C16)dimethylbenzyl-, chlorides
BTC 835
Barquat MB 80
Benzyl-C12-C16-alkyldimethyl ammonium chlorides
Bioquat 501
Bioquat 80
Black Algaetrine
C12-16-Alkyldimethylbenzylammonium chloride
Catigene T80
Cyncal 80
Gardiquat 1250AF
Hyamine 3500
Maquat MC 1412
Protek Q
Rolquat CDM/BC
Tret-O-Lite WF 828
Tret-O-Lite WF 88
Quaternary ammonium compounds, benzyl-C12-16-alkyldimethyl, chlorides
Quaternary ammonium compounds, benzyl-C12-C16-alkyldimethyl, chlorides
