Name: Acetaldehyde.

Synonym: Acetaldehyd;acetaldehyde (ethanal); Acetaldeyd;Acetaldeyde;FORMALIN,CARSONS;FORMALDEHYDE,CARSON-MILLON;FORMALDEHYDE,BUFFERED;FORMALDE-FRESHSOLUTION,BUFFERED.

CAS No: 75-07-0.

Molecular formula: C2H4O.

Molecular weight: 44.05.

Appearance: colorless transparent liquid.

Purity: 99%.

Melting point:-123 °C.

Boiling point: 65-82 °C.

Density: 0.785 g/mL at 25 °C (lit.).

Vapor density: 1.03 (vs air).

Vapor pressure: 52 mm Hg (37 °C).

Refractive index: n20amp D 1.377.

Uses: mainly used in the preparation of acetic acid, acetic anhydride, ethyl acetate, butanol, pentaerythritol, acetaldehyde, 3-hydroxybutyraldehyde, trichloroacetaldehyde and other products