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Quaternary compounds

Quaternary ammonium compounds, also known as quats, consist of a positively charged nitrogen atom with four substituents, carbon groups. Substituents covalently bound to the nitrogen atom may be aliphatic, aromatic or mixed. Another name for this group is quaternary ammonium salts. These compounds belong to the group of cationic surfactants.

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Chemax X-997 Chemax X-997 was designed as an in-reactor lubricants and antistat for use in linear low-density polyethylene production. The carrier liquid is incorporated into...
Composition
Quaternary compounds
Chemax X-997
Chemquat 508/40 Chemquat 508/40 is a short chain quaternary compound that provides coupling and detergency in alkaline and neutral cleaners while maintaining a low foam profile.
Composition
Quaternary compounds
CAS No.
959-55-7
Chemquat 508/40
Chemquat BC/60 Chemquat BC/60 may be used as a corrosion inhibitors in multiple applications as well as an acid inhibitor in pickling solutions.
Composition
Quaternary compounds
CAS No.
68603-67-8
Chemquat BC/60
Chemstat® 3820 Chemstat®3820 is a water soluble cationic antistat suitable for external application to a variety of substrates.
Composition
Quaternary compounds
CAS No.
68071-95-4
Chemstat® 3820
Chemstat® X-9910 Chemstat® X-9910 was designed as an in-reactor lubricants and antistat for use in linear low-density polyethylene production. The carrier liquid is incorporated...
Composition
Quaternary compounds
Chemstat® X-9910
EXOtrope CS EXOtrope CS is a specialised, multifunctional cationic surfactant. The product has a form of a clear liquid containing approximately 60% of the active substance....
Composition
Alkoxylated fatty amines, Quaternary compounds
CAS No.
68989-03-7
EXOtrope CS
Hydromax 300 Hydromax 300 is used to solubilize nonionics in alkaline solutions of 10% KOH and 5% NaOH. This product provides additional detergency of oily soils and improves...
Composition
Quaternary compounds
CAS No.
959-55-7
Hydromax 300
ROKAmin K15K (PEG-15 cocomonium methosulfate) ROKAmin K15K is a specialized cationic surfactant, INCI name: PEG-15 Cocomonium methosulfate. The product is in the form of a clear liquid and Hazen-scale colour...
Composition
Alkoxylated fatty amines, Quaternary compounds
CAS No.
68989-03-7
ROKAmin K15K (PEG-15 cocomonium methosulfate)
ROKAmin SRK8 (Fatty amine) ROKAmin SRK8 is a specialist cationic surfactant. The product is a quaternized and oxyethylenated fatty amine. It is a clear, viscous liquid with max. colour. 190...
Composition
Quaternary compounds, Alkoxylated fatty amines
CAS No.
73138-81-5
ROKAmin SRK8 (Fatty amine)
ROKAmin SRK8P4 (Fatty amine) ROKAmin SRK8P4 is a specialized cationic surfactant. The product is a quaternized, oxyethylated and oxypropylated fatty amine of animal origin. The product occurs...
Composition
Alkoxylated fatty amines, Quaternary compounds
ROKAmin SRK8P4 (Fatty amine)
TEQUAT®LC 90i (Tallow esterquat) Tequat LC90i is a cationic surfactant. It is obtained by the condensation reaction of fatty acids of animal origin and triethanolamine, and then quaternized. The...
Composition
Mixtures, Quaternary compounds
TEQUAT®LC 90i  (Tallow esterquat)
TEQUAT®E (Tallow esterquat) Tequat E is a cationic surfactant. It is obtained by condensation of fatty acids of animal origin and triethanolamine, and then quaternised. The commercial product...
Composition
Mixtures, Quaternary compounds
TEQUAT®E  (Tallow esterquat)
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Quaternary ammonium compounds, also known as quats, consist of a positively charged nitrogen atom with four substituents, carbon groups. Substituents covalently bound to the nitrogen atom may be aliphatic, aromatic or mixed. Another name for this group is quaternary ammonium salts. These compounds belong to the group of cationic surfactants.

How are quaternary compounds formed?

Quaternary ammonium cations are permanently charged, regardless of the pH of their solution. They are prepared by the alkylation of tertiary amines (quaternization). The most widely used method of obtaining quaternary ammonium compounds is the methylation of amino groups with methyl chloride or benzyl. Most ammonium salts are resistant to strong electrophiles, oxidants and acids.

Properties and use of quaternary compounds

Quaternary ammonium salts have antimicrobial activity, which is why they are used in disinfectant and antiseptic preparations. Due to the presence of positively charged nitrogen in the structure and long carbon chains, these compounds are effective anti-electrostatic agents. These properties are used in the textile industry for conditioning of materials and in the production of plastics. In addition, quaternary ammonium compounds are characterized by metal adsorption capacity, which confers anti-corrosion properties.

Quaternary compounds are widely used as surface disinfectants in healthcare, hospitality and many other industries, due to the ability to eliminate a wide spectrum of bacteria and fungi. They have also found application in the metallurgical industry as corrosion inhibitors, in the production of plastics and CASE. The possibility of designing various structures of quaternary compounds causes that they are also used as specialist products in narrow sectors of industries.