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P411ED0N2B
"Descrizione"
by Ark90 (12417 pt)
2023-Dec-23 17:54

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P411ED0N2B (TAED  or Tetraacetylethylenediamine) is a chemical organic compound used as a bleaching agent in cleaning products and detergents. 

The name describes the structure of the molecule

  • "Tetra" indicates the presence of four identical functional groups in the molecule.
  • "acetyle" refers to the acetyl functional group, which has the formula CH3CO.
  • "ethylenediamine" indicates a diamine structure derived from ethylene, with the formula H2N-CH2-CH2-NH2.

Description of raw materials used in production

  • Ethylenediamine (EDA). This serves as the backbone for producing TAED. It's an organic compound with two amine groups. Ethylenediamine is used in chemistry for its bonding properties and as a base for complex formation.
  • Acetic anhydride. Used to acetylate the ethylenediamine and produce TAED. Acetyl groups are derived from acetic acid and are known for their reactive properties.

Step-by-step summary of industrial chemical synthesis process

  • Ethylenediamine is placed in a suitable reactor.
  • Acetic anhydride is added to the ethylenediamine in the reactor.
  • The reaction between EDA and acetic anhydride yields TAED. The reaction needs to be monitored to ensure it occurs under optimal conditions.
  • Once the reaction is complete, the mixture is cooled.
  • The produced TAED is then filtered and washed.
  • After filtration, the TAED is dried.
  • The dried product is then ground to the desired size and packaged.

It appears in the form of a white powder. 

What it is for and where

Tetraacetylethylenediamine is a whitener that is mainly used in detergents and additives for washing machines and dishwashers. It is completely dissolved in a few minutes during washing.

Cosmetics

Bleaching agent. This ingredient exerts a depigmentation and/or lightening action on the set of pigments produced by melanocytes and known as melanin, the substance responsible for skin colouration.

Medical Applications

Sterilization. In the medical realm, TAED can be used in conjunction with peracids for equipment sterilization (1).

Commercial Applications

Detergents. TAED is commonly used in laundry detergents as an activator for hydrogen peroxide, allowing the release of peroxide even at low temperatures.

Bleaching agents. It's used as a precursor for generating radical species that possess bleaching properties.

Industrial Cleaning. TAED enhances the efficiency of industrial cleaning products, especially where bleaching power is needed.

Safety

It is generally considered safe.

https://www.heraproject.com/files/2-F-04-HERA%20TAED%20full%20web%20wd.pdf

 


  • Molecular Formula   C10H16N2O4
  • Molecular Weight   228.24 g/mol
  • CAS  10543-57-4
  • EC number  234-123-8
  • EINECS 234-123-8
  • DTXSID5040752

Synonyms

  • TAED
  • Tetraacetylethylenediamine
  • Acetamide, N,N'-1,2-ethanediylbis[N-acetyl-


References________________________________________________________________________

(1) Shakouie S, Salem Milani A, Eskandarnejad M, Rahimi S, Froughreyhani M, Galedar S, Ranjbar E. Antimicrobial activity of tetraacetylethylenediamine-sodium perborate versus sodium hypochlorite against Enterococcus faecalis. J Dent Res Dent Clin Dent Prospects. 2016 Winter;10(1):43-7. doi: 10.15171/joddd.2015.007. Epub 2016 Mar 16. PMID: 27092214; PMCID: PMC4831611.

Abstract. Background. This study evaluated the antimicrobial activity of Tetraacetylethylenediamine-sodium perborate (TAED-SP) in comparison to 2.5% and 5% sodium hypochlorite (NaOCl) against Enterococcus faecalis. Methods. A standard suspension of E. faecalis was inoculated on 60 plates containing Mueller-Hinton agar culture medium. Four sterile disks of Beckman filtration paper were placed on each plate. TAED-SP, 5% and 2.5% NaOCl were placed on three disks. Sterile physiologic saline was placed on the fourth disk as negative control. After 24-hour incubation, the diameter of the inhibition zone around the disks was measured using a transparent ruler. One-way Analysis of Variance (ANOVA) was used to compare the mean zone of microbial growth in the groups. P-values less than 0.05 were considered statistically significant. Results. There was a significant difference in the diameter of the inhibition zones between groups (P < 0.05). The Tukey post hoc test showed a higher diameter of the inhibitory zone with TAED-SP than that of 2.5% NaOCl. However, there were no significant differences between the inhibitory zones of TAED-SP and 5% NaOCl. Conclusion. TAED-SP and 5% NaOCl have similar antibacterial activity against E. faecalis; however, TAED-SP has a greater antibacterial effect compared to 2.5% NaOCl.

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