English Alias: delta - Valerolactone; Tetrahydro - 2H - pyran - 2 - one
Physical and Chemical Properties
Appearance: Colorless to light yellow transparent liquid
Density: 1.1±0.1 g/cm³
Melting Point: -13 °C
Boiling Point: 218.0±8.0 °C at 760 mmHg
Flash Point: 100.0 °C
Refractive Index: 1.440
Vapor Density: 3.45 (vs air)
Water Solubility: Miscible
Storage Condition: 2 - 8 °C
Quality Standard: Generally, the purity is ≥98.0%, and there are also products with a purity of 99% or higher. The heavy - metal content is usually required to be below 10 ppm.
Main Applications
Pharmaceutical Field: It can be used to synthesize 5 - bromovaleric acid, oligopeptides, pyranopyrimidines, iridoids, cilostazol, witting reagents, and epothifone anticancer drugs.
Material Field: It is used to prepare degradable polymer materials such as polyester and polylactide.
Other Fields: It can be used as a flavor component, applied in the coating industry, and also used in the electrolyte of the battery industry.
Packaging Specifications: Usually, there are packaging specifications of 1 kg, 25 kg, 200 kg, etc., and the packaging forms are mostly cardboard drums, galvanized iron drums, or barrels.
Main Manufacturers: Including BASF, Ube Industries, Maiqi Chemical, Ningbo Yinuo Medical Chemistry, Zhejiang Boju New Materials Co., Ltd., etc.