octane-1,8-diol, CAS No. 629-41-4

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629-41-4

Catalog No. EBD2204674

CAS 629-41-4

Name octane-1,8-diol

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Basic Information

Synonyms: Octane-1,8-diol 1,8-Octanediol Octamethyleneglycol Octanediol 1,8-Dihydroxyoctane

Molecular Formula: C8H18O2

Molecular Weight: 146.23

MDL Number: MFCD00002989

Categories: Materials Chemistry > Polymers and Macromolecular Materials > Polyester and Bio-based Polymer Precursors Synthetic Chemistry > Organic Building Blocks > Other Organic Building Blocks

Product Description:

Octane-1,8-diol is a linear aliphatic diol with the molecular formula C8H18O2. It consists of an eight-carbon chain terminated by hydroxyl groups at both ends, giving it a molecular weight of 146.23 g/mol. This compound appears as a white crystalline solid or powder at room temperature. Its primary industrial application is as a monomer or building block in polymer chemistry, particularly for the synthesis of polyesters, polyurethanes, and polycarbonates. The terminal diol functionality allows it to act as a chain extender or crosslinker, imparting flexibility and improved mechanical properties to the resulting polymers. In the cosmetics and personal care industry, 1,8-octanediol is valued as a humectant and skin conditioning agent, often used in formulations to improve moisture retention and texture. It also serves as an intermediate in the production of specialty chemicals and plasticizers.

Physical Properties

Melting Point: 57-61 °C(lit.)

Boiling Point: 172 °C/20 mmHg(lit.)

Flash Point: 120 °C

Density: 0.939 g/cm3

Analytical Data

Appearance: colorless to white crystals or flakes