Benzaldehyde (C6H5CHO) is a chemical compound consisting of a benzene ring with an aldehyde substituent.
It is the simplest representative of the aromatic aldehydes and one of the most industrially used members of this family of compounds. At room temperature it is a colorless liquid with a characteristic and pleasant almond-like odor: benzaldehyde is an important component of the scent of almonds, hence its typical odor. It is the primary component of bitter almond oil extract, and can be extracted from a number of other natural sources in which it occurs, such as apricot, cherry, and laurel leaves, peach seeds and, in a glycoside combined form (amygdalin), in certain nuts and kernels. Currently benzaldehyde is primarily made from toluene by a number of different processes.
  Synonyms Benzoic aldehyde, Almond artificial essential oil, Benzenecarbonal, Benzene carboxaldehyde
  Molecular formula C6H5CHO
  Molecular weight 106
  UN Code no. 1990
  IMCO Class no. 3119
  CAS no. 100-52-7
  Appearance Colourless to yellow colour liquid
  Colour 50 APHA (Max.)
  Odour Bitter Almonds
  Purity (by GC) 99.5% (Min.)
  Boiling Point 179 C
  Acidity (as Benzoic acid) 0.5% (Max.)
  Chloride content 100 ppm (Max.)
  Specific Gravity at 27 C 1.040 to 1.045
  Packing 210 kgs in HMHDPE barrel
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