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Aldehyde acetals are characterized by the bonding of two oxygen atoms to a central carbon atom, bearing either two hydrogen atoms or a hydrogen atom and an organic substituent. Some examples of acetals are dimethoxymethane, dioxolane, paraldehyde, 1,3,5-trioxane, and 2-methyldioxolane. Heating the acetal in aqueous acid regenerates the aldehyde. Besides being stable against bases, acetals are also inert to many oxidizing and reducing agents. This property of acetals makes them useful as carbonyl or alcohol, in particular diol, protecting groups in organic synthesis. Acetals find use in organic synthesis for trans-acetalization reactions.

In nature acetals are pervasive. For instance, the glycosidic bonds of carbohydrates and other polysaccharides that are abundantly found in nature are made up of acetal linkages. Acetal is an important flavouring compound in distilled beverages. An important practical application of acetal is in industrial and mechanical products. The polyacetal, an acetal of formaldehyde, is a plastic material with better dimensional stability, low friction, good wear resistance, high strength and stiffness which make them suitable materials for the manufacture of engineering parts, gears, bearings, springs, business equipment, thin-walled parts, plates, fasteners, bushings and housings. Additionally, polyacetal can also have automotive applications and electrical/electronic applications.

  • 1,4-Cyclohexanedione mono-2,2-dimethyltrimethylene ketal, 95%
  • 1,4-Cyclohexanedione monoethylene acetal, 97%
  • 2-Bromobenzaldehyde diethyl acetal, 98%
  • 2-Butynal diethyl acetal, 98%
  • 2-Hexynal diethyl acetal, 98%
  • 3'-Bromoacetophenone diethyl ketal, 96%, stab. with Potassium carbonate
  • 3-Bromobenzaldehyde diethyl acetal, 97%
  • 3-Bromothiophene-2-carboxaldehyde diethyl acetal, 97%
  • 3-Furaldehyde diethyl acetal, 98%
  • 3-(Trimethylsilyl)propiolaldehyde diethyl acetal, 97%
  • 4-Aminobutyraldehyde diethyl acetal, 95%
  • 4-Bromobenzaldehyde dimethyl acetal, 97%
  • 4-Hydroxycyclohexanone ethylene acetal, 90+%
  • 4-(Methylphenylthio)acetaldehyde diethyl acetal, 98%
  • 5-Chlorothiophene-2-carboxaldehyde, 97%
  • Acetaldehyde diethyl acetal, 99%
  • Acetaldehyde dimethyl acetal, 98+%
  • Acetylacetaldehyde dimethyl acetal, tech. 90%
  • Aminoacetaldehyde diethyl acetal, 98%
  • Anilinoacetaldehyde diethyl acetal, 98%
  • Benzyloxyacetaldehyde diethyl acetal, 98%
  • Benzyloxyacetaldehyde dimethyl acetal, 97%
  • Bromoacetaldehyde diethyl acetal, 97%
  • Chloroacetaldehyde diethyl acetal, 98%
  • Dimethylaminoacetaldehyde diethyl acetal, 95%
  • Glycolaldehyde diethyl acetal, stab. with ca 0.1% sodium carbonate, 98%
  • Glycolaldehyde dimethyl acetal, 98%, stab. with ca 0.1% sodium carbonate
  • Heptanal dimethyl acetal, 96%
  • N-Benzylaminoacetaldehyde diethyl acetal, 96%
  • N,N-Dimethylacetamide dimethyl acetal, tech. 90%, stab with 5-10% methanol
  • N,N-Dimethylformamide dineopentyl acetal, 98%
  • Phenylpropiolaldehyde diethyl acetal, 98%
  • Propiolaldehyde diethyl acetal, 97%
  • Solketal, 97%
  • Thiophene-3-carboxaldehyde diethyl acetal, 98%
  • Trifluoroacetaldehyde ethyl hemiacetal, tech. 80%

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