Industrial Grade 98% 98.5% 99, 99.5% Tetraacetylethylenediamine CAS 10543-57-4

What is Tetraacetylethylenediamine?

Tetraacetylethylenediamine (TAED) is an amide compound in which two nitrogen atoms in the ethylenediamine molecule are each bonded to two acetyl groups. It is also the most widely used bleaching activator in the detergent industry. Non-cosmetic and non-industrial grade TAED refers to high-purity specifications for testing and scientific research applications, and its chemical formula is usually written as:

C10H16N2O4 (CH3CO-N(CH2CH2)-N-COCH3 skeleton structure, CAS No.: 10543-57-4, EINECS No.: 234-123-8, molecular weight approximately 228.25)

It is a white crystalline powder or fine granules at room temperature, tasteless or with a slight odor, with a melting point of approximately 149-154℃ (accompanied by decomposition). It is slightly soluble in water and soluble in most organic solvents. TAED is chemically stable and can be stored for a long time in a dry state, but it can be activated by hydrogen peroxide under alkaline conditions.

From a molecular structure perspective, the four acetyl groups (-COCH3) on the ethylenediamine skeleton of TAED are its "activation mechanism": when reacting with hydrogen peroxide, TAED produces peracetic acid (PAA) and triacetylethylenediamine. Peracetic acid has a much stronger oxidizing power than hydrogen peroxide itself, enabling efficient bleaching and sterilization at lower temperatures—this "low-temperature activation" mechanism is not only the core of detergent technology but also an important model system for studying peroxide chemistry in detection and research.

Chemically, TAED is an N-acyl compound, which undergoes accelerated hydrolysis or reaction in the presence of strong alkalis or strong oxidizing agents. It is inherently low in toxicity and generally does not irritate the skin, but its dust may irritate the respiratory tract. It should be stored in a dry, sealed container, avoiding direct contact with strong oxidizing agents.

Non-cosmetic and non-industrial grade TAED refers to products intended for testing and research applications, neither used in cosmetic formulations nor in large-scale industrial detergent production. These primarily include reagent-grade (analytical grade, etc.) and research-grade specifications, with a purity generally above 99%. Compared to industrial and cosmetic-grade TAED, these products place greater emphasis on the following indicators:

Content (purity)

Reagent-grade reagents require high purity (generally above 99%), as purity directly determines the accuracy of analytical results and experiments.

Moisture

Moisture content affects the accuracy of reagent preparation and storage stability, and must be strictly controlled.

Melting point

The melting point of pure product is about 149-154℃. An abnormal melting point often indicates impurities and is an important reference indicator of purity.

Burning residue

Low residue upon ignition is required to ensure reagent purity and avoid interference from inorganic impurities in analysis and reaction.

What are the uses of Tetraacetylethylenediamine?

1. Hair products (core application)

( 1 ) Cosmetic grade TAED is used in the peroxide system of bleaching powder, bleaching cream and light-colored hair dye products. It activates hydrogen peroxide at a lower temperature to generate peracetic acid, which helps to gently and efficiently brighten the hair color, bleach evenly, and reduce the damage to the hair caused by high temperature.

( 2 ) Some light-colored home hair dyes use a peroxide color development system and cosmetic-grade TAED as a low-temperature activator to improve color development efficiency, helping to easily achieve light hair color at home.

( 3 ) In the cleaning and renovation of wigs, hair extensions and headwear products, TAED activated peroxide can be used to achieve low-temperature de-yellowing and brightening, and extend the service life of wig products.

2. Daily chemical products

( 1 ) TAED is a bleaching activator of the peroxide system in laundry powder, laundry liquid and laundry pods. When combined with sodium percarbonate, it generates peracetic acid at low temperature, achieving efficient stain removal, whitening and sterilization. It is a standard component of laundry powder in the European market.

( 2 ) Color bleach powder and oxygen-based cleaning agents use sodium percarbonate + TAED as the core formula. The two can generate peracetic acid in situ when combined. Under low temperature conditions, it can achieve bleaching and color protection of clothes. It can also be applied to stain removal and cleaning products such as disinfectant wipes, surface cleaners, and toilet cleaners, to build an oxygen-based disinfection system that has both cleaning and stain removal and sterilization effects.

( 3 ) TAED is used in dishwasher detergent tablets and detergent powder to help remove stubborn stains such as tea stains, coffee stains, and grease stains, and plays a bactericidal role during the washing process, improving the cleanliness and hygiene of tableware.

3. Personal care products

( 1 ) TAED activators are used in the peroxide system of products such as teeth whitening strips, whitening gels and whitening pens to enhance the low-temperature bleaching effect and help remove surface stains such as tea stains and coffee stains. They are auxiliary ingredients in oral whitening products.

( 2 ) In line with the concept of “low temperature and gentle bleaching”, cosmetic grade TAED can be used in gentle oxygen-based stain removal products for body care and hand and foot care, and can play a cleaning and brightening role at a lower temperature.

4. Industrial bleaching

( 1 ) TAED is used in the low-temperature oxygen bleaching process of natural fiber fabrics such as cotton and linen. It completes the bleaching at a lower temperature, reduces energy consumption and fiber damage, and is an important energy-saving bleaching agent in the textile printing and dyeing industry.

( 2 ) TAED is used as an activator for pulp bleaching. It works in conjunction with the hydrogen peroxide system to improve bleaching efficiency. It is used in the production of household paper and packaging paper to help pulp achieve whiteness requirements under mild conditions.

5. Industrial cleaning (CIP in-situ cleaning)

TAED is used in CIP (Cleaning in Place) systems in the food, beverage, dairy, and brewing industries. It works in conjunction with peroxides to clean pipes and equipment at low temperatures, achieving both decontamination and sterilization while reducing energy consumption during high-temperature cleaning.

6. Analytical Testing and Standard Reagents (Reagent Grade, Core Application)

TAED is used as a standard reagent for analyzing the content of bleaching activators in detergents and cleaning products. It is also used for the activity evaluation of peroxide systems and product quality inspection, and is a commonly used analytical reagent in daily chemical testing laboratories.

7. Scientific research and peroxide chemistry research (research-level)

TAED is an important model compound for studying peroxide activation, peracetic acid formation mechanism and low-temperature bleaching kinetics. It is used in green chemistry, clean technology and new materials research, serving academic research and technology development.

8. Environmental and Health Research

TAED is used in research on the environmental impact and disinfection effect of peracetic acid disinfection systems and low-temperature bleaching processes, serving research in public health, environmental engineering, and water treatment technologies.

9. Custom synthesis and fine chemical research and development

TAED can be used for the custom synthesis of N-acyl compounds and peroxide activator derivatives, serving the research and development of fine chemicals and specialty cleaning agents, and is a small-batch raw material in the research and development stage.

10. Other Applications

Including standard reagent supply, analytical testing services, and teaching reagent support, the application scope of non-cosmetic and non-industrial grade TAED continues to expand as research into green cleaning and low-temperature bleaching technologies deepens.

Summarize

Tetraacetylethylenediamine (TAED, CAS No. 10543-57-4) is an amide compound consisting of ethylenediamine with four acetyl groups attached to the nitrogen atom. It is a white crystalline powder at room temperature with a melting point of approximately 149-154℃ and is a classic peroxide bleaching activator. In daily life, we indirectly encounter it through testing and analysis services, scientific research and university laboratories, teaching experiments, daily chemical product development, environmental and hygiene monitoring, and the detergent and cleaning industry chain. In non-cosmetic and non-industrial sectors, reagent-grade and research-grade TAED are widely used in the analysis and testing of detergents and cleaning products, peroxide chemistry research, daily chemical R&D and formulation evaluation, teaching experiments, environmental and hygiene research, and custom synthesis, making it an important reagent for studying "low-temperature bleaching chemistry."