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Triethylenetetramine (TETA) is a compound with specific chemical properties and wide applications. At room temperature and pressure, triethylenetetramine is a light yellow or colorless to slightly yellow viscous liquid with moderate viscosity and ammonia odor. It is miscible with water, slightly soluble in ether, and soluble in ethanol and acid. It is an alkaline compound that forms a strong alkaline solution in water, and the pH value of its aqueous solution is usually between 10-11. Under normal circumstances, it has good stability, but it is prone to deterioration in special environments such as high temperatures, strong acids, or the presence of strong oxidants. This compound can react with acids to form corresponding salts, such as reacting with hydrochloric acid to form triethylenetetramine hydrochloride. Due to the presence of a lone pair of electrons on each nitrogen atom, triethylenetetramine has excellent coordination ability and can effectively complex metal ions. It is commonly used in the preparation and separation of metal ion complexes. It is commonly used as a chelating agent and dehydrating agent for alkaline gases; As a solvent for dye intermediates and epoxy resins, it is also used in the manufacture of polyamide resins and ion exchange resins; It is used to manufacture rubber accelerators and rubber additives; It is also used to manufacture cyanide free electroplating diffusion agents and brighteners, and is also used as a dispersant for oil purification; It can also be used as a curing agent, additive, fabric finishing agent for synthetic resins, as well as emulsifier, surfactant, lubricant additive, fuel oil detergent dispersant, gas purifier, descaling agent, softener, metal chelating agent, etc.
Additional information of chemical compound:
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Chemical Formula |
C6H18N4 |
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Exact Mass |
146.15 |
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Molecular Weight |
146.24 |
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m/z |
146.15 (100.0%), 147.16 (6.5%), 147.15 (1.5%) |
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Elemental Analysis |
C, 49.28; H, 12.41; N, 38.31 |
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Melting point |
12℃(lit.) |
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Boiling point |
266-267℃(lit.) |
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Density |
0.982 g/mL at 25℃(lit.) |
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Storage conditions |
Store below +30℃. |
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Triethylenetetramine (TETA), also known as triethylenetetramine, triethylenetetramine, triethylenetetramine, or quercetin, is an organic compound. The following is a detailed introduction to its uses:
TETA is an important epoxy resin curing agent that can rapidly cure epoxy resin at room temperature. The cured epoxy resin has excellent physical and chemical properties, such as high strength, high hardness, high wear resistance, high corrosion resistance, etc., and is therefore widely used in coatings, adhesives, composite materials and other fields.
In the field of coatings, TETA cured epoxy resin coatings have excellent adhesion and corrosion resistance, and can be used for coating substrates such as metal, wood, and concrete.
Adhesive field: TETA cured epoxy resin adhesive has high strength and water resistance, and can be used for bonding materials such as metals, glass, ceramics, etc.
In the field of composite materials, TETA cured epoxy resin composite materials have high strength, high toughness, and good processability, and can be used to manufacture structural components and parts for transportation vehicles such as airplanes, automobiles, and ships.
Organic synthesis: Triethylenetetramine (TETA) can react with various organic compounds to generate organic compounds with specific functions, such as surfactants, lubricant additives, gas purifiers, etc.
Dye industry: TETA can be used as a dye intermediate for synthesizing various dyes, such as acid dyes, reactive dyes, dispersed dyes, etc. These dyes have excellent dyeing performance and fastness, and can be used for textile dyeing and printing.
Polyamide resin: TETA can react with diacids or diesters to produce polyamide resin. Polyamide resin has excellent mechanical properties, heat resistance, and chemical corrosion resistance, and can be used to manufacture mechanical parts such as gears, bearings, and pipelines.
Ion exchange resin: TETA can be used as a raw material for ion exchange resins, and resins with specific ion exchange properties can be prepared through crosslinking reactions. These resins can be used in fields such as water treatment, wastewater treatment, and drug separation.
Complexation reagents: TETA can form stable complexes with various metal ions, organic compounds, etc., and is used in fields such as analytical chemistry and environmental monitoring. In addition, TETA can also serve as a ligand for catalysts and be used in catalytic reactions.
Dehydrating agent for alkaline gases: TETA has alkalinity and can react with acidic gases to generate corresponding salts and water. Therefore, TETA can be used as a dehydrator for alkaline gases to remove moisture and acidic impurities from the gas. TETA has broad application prospects in gas purification, gas separation and other fields.
As a chelating agent and dehydrating agent for alkaline gases
Metal chelating agent: TETA can form stable chelates with metal ions and is used in fields such as wastewater treatment and heavy metal recovery. In addition, TETA can also serve as a masking agent for metal ions, used for the determination of metal ions in analytical chemistry.
Cyanide free plating diffusion agent: TETA can be used as a diffusion agent for cyanide free plating to improve the stability and uniformity of the plating solution. Compared with traditional cyanide electroplating, cyanide free electroplating has higher safety and environmental friendliness.
Rubber additive: TETA can be used as a vulcanizing agent, accelerator, and crosslinking agent for rubber to improve its strength and wear resistance. In addition, TETA can also serve as an anti-aging agent for rubber, extending its service life.
Brightening agent: TETA can be used as a brightening agent for metal surfaces to improve their glossiness and smoothness. TETA can significantly improve the quality of metal surfaces during surface treatments such as electroplating and polishing.
Decaying agent: TETA has excellent descaling performance and can be used to clean metal surfaces, glass surfaces, etc. Adding TETA to cleaning agents can significantly improve cleaning effectiveness and remove stubborn stains and dirt.
Dispersant: TETA can be used as a dispersant to disperse solid particles such as pigments and fillers, improving the dispersibility and stability of coatings. TETA can significantly improve the quality and performance of products in industries such as coatings and inks.
TETA also plays an important role in the textile industry and the preparation of ion exchange resin.
Fabric finishing agent: TETA can be used as a fabric finishing agent to improve the hand feel, glossiness, and wrinkle resistance of fabrics. Adding TETA in the post-processing of textiles can significantly improve the quality and added value of the fabric.
The synthesis raw material of ion exchange resin: TETA can be used as one of the synthesis raw materials of ion exchange resin, and resins with specific ion exchange properties can be prepared through crosslinking reaction. These resins can be used in fields such as water treatment, wastewater treatment, and drug separation.
other purposes
Fluorine rubber vulcanizing agent: Triethylenetetramine (TETA) can be used as a vulcanizing agent for fluorine rubber to improve its strength and wear resistance. In the preparation process of fluororubber, adding TETA can significantly improve the quality and performance of the product.
Emulsifier: TETA can be used as an emulsifier to prepare stable emulsions. Emulsifiers have broad application prospects in industries such as cosmetics, food, and pesticides.
Fuel oil dispersant: TETA can be used as a fuel oil dispersant to remove impurities and deposits from fuel oil. Adding TETA during the processing and use of fuel oil can significantly improve its cleanliness and dispersibility.
Softener: TETA can be used as a softener to improve the softness and plasticity of materials such as plastics and rubber. Adding TETA during the processing of plastics and rubber can significantly improve the softness and plasticity of the product.
Frequently Asked Questions
What is TETA hardener?
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Triethylenetetramine – TETA is commonly used as a crosslinker or hardener in epoxy curing. For manufacturing cleaning products such as detergents. For producing pharmaceutical products in the pharmaceutical industries. For the production of various types of chemicals in the chemical industries.
What is TETA used for?
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Triethylenetetramine (TETA) is a colorless to light-yellow liquid containing linear, branched and cyclic molecules. TETA is mainly used in the manufacture of fuel oil additives, lubricating oil additives and epoxy curing agents. It is also used in the production of asphalt additives.
What is Triethylenetetramine used for?
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Triethylenetetramine (TETA), a Cu(II)-selective chelator, is commonly used for the treatment of Wilson's disease. Recently, it has been shown that TETA can be used in the treatment of cancer because it possesses telomerase inhibiting and anti-angiogenesis properties.
What is another name for trientine?
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Triethylenetatramine (TETA), also known as trientine, is a potent and selective copper (II)-selective chelator. It is a structural analog of linear polyamine compounds, spermidine and spermine. TETA was first developed in Germany in 1861 and its chelating properties were first recognized in 1925.
What is TETA in chemistry?
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Triethylenetetramine (TETA) is a colorless to light-yellow liquid containing linear, branched and cyclic molecules. TETA is mainly used in the manufacture of fuel oil additives, lubricating oil additives and epoxy curing agents. It is also used in the production of asphalt additives.
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