139-08-2

Usage

Uses

1. Used in the Chemical Industry:
Tetradecyldimethylbenzylammonium chloride is used as a phase transfer catalyst for facilitating reactions between organic and inorganic compounds. Its cationic nature allows it to interact with both polar and nonpolar molecules, making it an effective catalyst in various chemical processes.
2. Used in the Water Treatment Industry:
Tetradecyldimethylbenzylammonium chloride is used as a coagulant and flocculant in water treatment processes. Its cationic charge helps to neutralize negatively charged particles in water, allowing them to aggregate and settle, thus improving water quality.
3. Used in the Textile Industry:
In the textile industry, tetradecyldimethylbenzylammonium chloride is used as a softening agent and antistatic agent. Its cationic properties enable it to adsorb onto the surface of fibers, providing a soft and smooth feel to the fabric while also reducing static cling.
4. Used in the Cosmetics and Personal Care Industry:
Tetradecyldimethylbenzylammonium chloride is used as a conditioning agent in hair and skin care products. It helps to improve the manageability and appearance of hair while also providing a smooth and moisturized feel to the skin.
5. Used in the Pharmaceutical Industry:
As a quaternary ammonium halide, tetradecyldimethylbenzylammonium chloride is used as a preservative and antimicrobial agent in the pharmaceutical industry. Its cationic nature allows it to disrupt bacterial cell membranes, effectively inhibiting the growth of microorganisms and ensuring the stability of various pharmaceutical products.

Flammability and Explosibility

Notclassified

Safety Profile

A skin and eye irritant. When heated to decomposition it emits very toxic fumes of NOx, NH3, and Cl-.

InChI:InChI=1/C23H42N.ClH/c1-4-5-6-7-8-9-10-11-12-13-14-18-21-24(2,3)22-23-19-16-15-17-20-23;/h15-17,19-20H,4-14,18,21-22H2,1-3H3;1H/q+1;/p-1

Upstream product

• 112-75-4 N,N-dimethyl-n-tetradecylamine 
• 100-44-7 benzyl chloride 
• 112-18-5 N,N-dimethylaminododecane 

Downstream Products

• 156077-59-7 benzyldimethyltetradecylammonium tetraphenylborate 
• 1381980-03-5 benzyldimethyltetradecylammonium dodecylsulfate 
• 90065-11-5 trans-chloro-bis(trimethylphosphine)(phenyl)platinum(II) 
• 116563-66-7 trans-chloro(neopentylbistrimethylphosphine)platinum(II) 
• 116563-67-8 trans-chloro-bis(trimethylphosphine)(m-tolyl)platinum(II) 
• 1427515-39-6 bis(benzyldimethyltetradecylazaniumyl)tetrachloroplatinumdiuide 

Related news

Determination of trace copper in biological and environmental samples by third derivative spectrophotometry after pre-concentration with the ion pair of nitroso-R and Tetradecyldimethylbenzylammonium chloride (cas 139-08-2) on microcrystalline naphthalene09/30/2019

Copper was pre-concentrated from a large volume of its aqueous solutions using disodium 1-nitroso-2-naphthol-3,6-disulphonate (nitroso-R salt) and tetradecyldimethylbenzylammonium chloride (TDBA + Cl - ) on microcrystalline naphthalene in the pH range 5.5-7.8. After filtration, t...detailed

Second-Derivative Spectrophotometric Determination of Trace Copper after Preconcentration with the Ion Pair of 2-Nitroso-1-Naphthol-4-Sulfonic Acid and Tetradecyldimethylbenzylammonium chloride (cas 139-08-2) on Microcrystalline Naphthalene or a Column09/29/2019

Copper is quantitatively retained by 2-nitroso-1-naphthol-4-sulfonic acid and tetradecyldimethylbenzylammonium chloride on microcrystalline naphthalene in the pH range 7.1–10.7 from large volumes of aqueous solutions of various samples. After filtration, the solid mass consisting of a copper co...detailed

Micellar behavior of Tetradecyldimethylbenzylammonium chloride (cas 139-08-2) in water–alcohol mixtures10/01/2019

The effect of butanol and benzyl alcohol on the critical micelle concentration and the degree of ionization of micelles of tetradecyldimethylbenzylammonium chloride has been studied conductometrically in the temperature range of 5 to 40°C at 5°C intervals. The results indicate that some self-a...detailed

Relevant academic research and scientific papers

Benzalkonium chloride preparation method

The invention discloses a benzalkonium chloride preparation method, which comprises: (1) carrying out a salt formation reaction on a fatty alkyl dimethyl tertiary amine and benzyl chloride in an organic solvent at a temperature of 30-70 DEG C to obtain fatty alkyl dimethyl benzyl ammonium chloride, wherein the fatty alkyl is dodecyl, tetradecyl or hexadecyl, and the organic solvent is one or a plurality of materials selected from methanol, ethanol, n-propanol, isopropanol, acetone and acetonitrile; and (2) in an organic solvent, crystallizing the mixture containing two or three fatty alkyl dimethyl benzyl ammonium chlorides prepared in the step (1). According to the present invention, the preparation method has advantages of simple process and high yield, wherein the yield can achieve morethan 90%; the content of the related substance is low, and the purity is high, and can achieve more than 99%; the water content is low; and the product has good appearance and simple post-treatment effect, can meet the requirements of various pharmacopoeia, and is suitable for the industrial production of pharmaceutical-grade benzalkonium chloride.

Fatty alkyl dimethyl benzyl quaternary ammonium salt synthesis method

The invention discloses a fatty alkyl dimethyl benzyl quaternary ammonium salt preparation method, which comprises: carrying out a salt formation reaction on fatty alkyl dimethyl tertiary amine and abenzyl halide in an organic solvent at a temperature of 30-70 DEG C, wherein R in the fatty alkyl tertiary amine is C6H13-C22H45, the halogen in the benzyl halide is chlorine, bromine or iodine, and the organic solvent is one or a plurality of materials selected from methanol, ethanol, n-propanol, isopropanol, acetone and acetonitrile. According to the present invention, the yield of the preparation method is high, and can reach more than 90%; the purity is high, and can achieve more than 99%; the water content is low; the product has good appearance and simple post-treatment effect; and the method can reduce the energy consumption, and is suitable for industrial production.

Benzalkonium chloride monomer synthesis technology

The invention relates to the technical field of fine chemicals, and more specifically relates to a benzalkonium chloride monomer synthesis technology. The synthesis technology comprises the following steps: (1) according to a formula, weighing fatty alkyl dimethyl tertiary amines, benzyl chloride, and ethyl acetate; (2) adding ethyl acetate into a glass lined reactor, pumping fatty alkyl dimethyl tertiary amines and benzyl chloride into a head tank, starting the stirring device of the reactor, dropwise adding fatty alkyl dimethyl tertiary amines and benzyl chloride into the reactor at a room temperature according to a same ratio; (3) heating the reactor to a temperature of 70 to 100 DEG C, and maintaining the temperature to carry out reactions for 7 to 10 hours; (4) starting circulating cooling water to cool the products to the room temperature until crystals are precipitated completely; (5) taking out the crystals, subjecting the crystals to vacuum suction filtration, during the suction filtration process, washing the crystals by ethyl acetate for 2 to 5 times, and saving the filter cakes; and (6) adding ethyl acetate into the filter cakes, carrying out re-crystallization, and after the crystals are completely precipitated, drying the crystals. The production cost is low and the purity of prepared benzalkonium chloride is high.

A synthetic method of a benzalkonium chloride mixture

The invention relates to the technical field of organic synthesis, and particularly relates to a synthetic method of a benzalkonium chloride mixture. The method includes (1) weighing alkyl dimethyl tertiary amine, a metal or nonmetal halide, benzyl chloride and an organic solvent separately according to a ratio; (2) dissolving the alkyl dimethyl tertiary amine and the metal or nonmetal halide into the organic solvent according to a ratio to obtain a mixture system, putting the mixture system in a hydrothermal boiler and raising the temperature of the mixture system to 50-80 DEG C; (3) adding dropwise the benzyl chloride into the mixture system in the step (2) under continuous stirring, with the adding speed being 30-40 drops per min, stirring the mixture system until the dropwise addition is finished, and allowing the obtained mixture system to stand for 3-8 h to obtain benzalkonium chloride single crystals; and (4) subjecting the mixture system in the step (3) to suction filtration, and performing washing operation and recrystallization to obtain the benzalkonium chloride. Compared with traditional processes, the metal or nonmetal halide is adopted as an additive of the method, can promote benzalkonium chloride generation from a reaction of the alkyl dimethyl tertiary amine and the benzyl chloride, and increases the conversion ratio of reactants; and a benzyl chloride dropwise addition manner is adopted by the method, thus reducing benzyl chloride volatilization, allowing the benzyl chloride to be completely reacted as soon as the benzyl chloride is added into a solution, and increasing the conversion ratio of the reactants.

STABLE COMPOSITIONS OF THIABENDAZOLE AND IODINE-CONTAINING FUNGICIDES

The present invention relates to stable compositions for the fungicidal equipment of thermoplastic polymers, in particular PVC, comprising thiabendazole, at least one iodine-containing fungicide and at least one epoxide and optionally further fungicidally active compounds, and also to methods for preparing these formulations and to uses thereof for the protection of thermoplastic polymers against attack and destruction by microorganisms. Moreover, the invention relates to mold-resistant PVC materials equipped with the compositions according to the invention.

FUNGICIDAL PENFLUFEN MIXTURES

The invention relates to mixtures comprising penflufen, to the use of these mixtures for protecting industrial materials and to a method for treating industrial materials with the penflufen mixtures.

DENTAL ORAL COMPOSITION

A dental composition for oral use, containing a phosphorylated saccharide (a), a polyphosphoric acid and/or a salt thereof (b), and a cationic bactericidal agent (c), wherein a ratio of a total amount of the phosphorylated saccharide (a) and the polyphosphoric acid and/or a salt thereof (b) contained to an amount of the cationic bactericidal agent (c) contained, i.e. {(a)+(b)}/(c), is from 0.05 to 20 in a weight ratio. The dental composition for oral use of the present invention can be suitably used for an oral cavity cleaning agent, including dentifrice agents such as a paste dentifrice agent, a powder dentifrice agent, and a liquid dentifrice agent, a mouse-wash agent, a troche, a tablet, a cream, an ointment, a bonding agent, a mouth spray, a coating agent to tooth surface or a dental prosthetic, a hypersensitive inhibitor, a therapeutic agent for periodontal diseases, that is applied to a periodontal pocket, wet tissue for oral cavity care, an oral refreshing agent, chewing gum, or a gargling agent, or the like.

METHOD FOR PRODUCING ALKYLDIMETHYLBENZYLAMMONIUM CHLORIDES

The invention is meant for chemical industry and is applicable in production of household sanitizers and detergents. A mixture of commercial tertiary amines or a mixture of straight-run tertiary amines is rectified and fed into the reactor for synthesis of a quaternary ammonium compound by a reaction of said mixture with benzyl chloride under stirring and at an elevated temperature. The mass ratio of the tertiary amines-benzyl chloride mixture is between 1.57 and 1.81. It is preferred that the use is made of benzyl chloride refined by distillation at the atmospheric pressure and a temperature of 177-178° C. The derived quaternary ammonium compound consists essentially of dimethyl dodecyl benzyl ammonium chloride and tetradecyl dimethylbenzyl ammonium chloride, the mass ratio of which is controllable. The product can be obtained in the form of gel. Where water or an organic solvent is added to the reaction mixture, a dissolved product is obtained. The product is free from alkyl radicals with the number of carbon atoms over 14, is low-toxic, and its purity is at least 95 mass %. The proposed invention renders it possible to use inexpensive and procurable raw materials, to lower energy intensity and process time, 1 claim, 1 fig., 3 tabl., 5 emb.

3-NITROISOXAZOLES AND THEIR USE IN THE PROTECTION OF MATERIALS

The 3-nitroisoxazoles of the formula (I) in which R1 and R2 are each as defined in the description, some of which are known, are highly suitable for use as biocides for protecting industrial materials.

O-aryl dithiazole dioxides

The invention relates to new O-aryldithiazole dioxides, to two processes for their preparation, and to their use as pesticides in crop protection and in the protection of materials.