2,5-Dimethoxybenzaldehyde is the IUPAC name of the organic compound, derivative of benzaldehyde. The chemical formula of the substance is C9H10O3. Its CAS number is 93-02-7.

2,5-Dimethoxybenzaldehyde is mainly applied for the production of 2,5-dimethoxyphenethylamine (2C-H). The latter, in its turn, is widely used in the production of diverse substituted phenethylamines, e.g. 2C-I, 2C-C, etc.

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2,5-Dimethoxybenzaldehyde is a yellow crystalline solid or powder. Melting and boiling point of the chemical are 50 °C and 283.8 °C respectively. Its density is 1.114 g/mL. The molar mass of the substance is 166.17 g/mol.

The compound is irritant. When handling it, it is necessary to wear:

  • face shields,
  • gloves,
  • eyeshields.

Inhalation of its vapors may cause symptoms of allergy or asthma, breathing difficulties, and irritation of respiratory organs.