Benzalacetone

Catalog Number	ACEP122576-2
CAS Number	122-57-6
Structure
Synonyms	4-Phenyl-3-buten-2-one; Benzylideneacetone; Methyl styryl ketone
Molecular Weight	146.19
Molecular Formula	C10H10O
Melting Point	41.5℃
Appearance	White or light yellow crystal
Application	Used as main brightener,refine coating crystal. Easy to soluble in alcohol ethers and ethanol, is long-acting & heat-resisting main brightener in sulfate liquor for zinc plating.
Addition Level	0.3-0.6 g/L
Assay	99% min.
EC Number	204-555-1
Packaging	25kg/ plastic drum or as required.
Relative Density	1.0377 g/cm3

Case Study

Barrier Ability of Zinc Coatings Containing Benzalacetone

Girginov, Ch, S. Kozhukharov, and N. Boshkova. In Journal of Physics: Conference Series, vol. 2710, no. 1, p. 012013. IOP Publishing, 2024.

Low-carbon steel is highly susceptible to corrosion, requiring protective coatings that can effectively shield its surface from corrosive environments. This brief study focuses on evaluating the protective capability of electrochemically deposited zinc coatings, both with and without the addition of benzylacetone.
Electrochemical Film Deposition Conditions
The electrochemical deposition of the zinc coating was carried out on low-carbon steel substrates in a temperature-controlled, two-compartment electrolysis cell with a volume of 500 cm³. At room temperature, the current density (c.d.) was maintained in the range of 2 A dm⁻² for a duration of 15 minutes. Recognizing the importance of the electrolyte pH, we kept it at pH = 5. The solution was continuously circulated at 150 rpm, using a zinc electrode. Two different electrolyte compositions were used, as described in Table 1.
Barrier Ability of Zinc Coatings Containing Benzylacetone
However, the addition of benzylacetone appears to have no effect on the barrier ability of the resulting zinc coating. Specifically, the films deposited from electrolyte 1 (indicated by the upward triangle in Figure 1) still lie between the spectra of the zinc primer coatings (indicated by the downward triangle in Figure 1). This observation strongly suggests that these films possess the same barrier ability.

Benzoylacetone for the Preparation of a Novel Hydrophobic PbO₂ Electrode

Yu, Naichuan, et al. Chemosphere 289 (2022): 133014.

Coal tar wastewater contains highly toxic pollutants and high concentrations of aromatic hydrocarbons, particularly phenolic substances, which are difficult to degrade using conventional methods. A novel hydrophobic benzoylacetone-modified PbO₂ anode (BA-PbO₂ electrode) is used for the electro-catalytic treatment of coal tar wastewater in a continuous cycle reactor.
Electrode Preparation
The benzoylacetone (BA) modified lead dioxide (PbO₂) electrode was synthesized using an electrochemical deposition method. The electrochemical workstation was set with a current density of 30 mA cm^-2, a bath temperature of 30°C, and an electroplating time of 3600s. The electroplating solution included 0.2 M Pb(NO₃)₂, 0.1 M HNO₃, and 0.5 g/L benzoylacetone. A Ti/SnO₂-Sb₂O₃ electrode was used as the anode, and a Pb plate was used as the cathode.

Benzylacetone for Electrodeposition of Textured Layered Tin Deposits

Wen, X., Pan, X., Wu, L., Li, R., Wang, D., Zhang, J., & Yang, P. (2017). Applied Physics A, 123, 1-4.

Layered tin deposits were prepared using a constant current electroplating method from an aqueous acidic sulfate bath, with gelatin and benzylacetone dissolved in ethanol (A_BA+EtOH) as additives. The morphology of the deposits was studied using scanning electron microscopy (SEM).
The tin coatings were electroplated from an electrolyte containing 40 g L⁻¹ SnSO₄, 18 g L⁻¹ H₂SO₄, 0.6 g L⁻¹ gelatin, 0-0.05 g L⁻¹ A_BA+EtOH (the BA concentration in the electrolyte was 0-0.05 g L⁻¹), and 0.4 g L⁻¹ ascorbic acid. The deposition current density was 3.5 A dm⁻², the temperature was 25 °C, and the deposition time was 6 minutes. The electroplated films were analyzed by scanning electron microscopy.
The SEM images of the tin coatings deposited from aqueous electrolytes with different additives are shown in the figure. The SEM images of the tin coatings deposited from electrolytes with different additives are: (a) 0.6 g L⁻¹ gelatin; (b) A_BA+EtOH 0.05 g L⁻¹; (c) 0.05 g L⁻¹ A_BA+EtOH and 0.6 g L⁻¹ gelatin; (d) 0.5 g L⁻¹ A_BA+EtOH.

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