Chemfine international recommended products in June 2023,

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Gamma-Butyrolactone γ-Butyrolactone 96-48-0 GBL

It is mainly used in the synthesis of pyrrolidone, chlorophenoxybutyric acid herbicides, and plant growth regulators. It can also be used as a polymer solvent, an extraction agent for petroleum processing, etc.
Miscible with water, alcohols, esters, ethers, ketones and aromatics, slightly soluble in linear alkanes and cycloalkanes. Freezing point - 43.53°C, boiling point 206°C (101.3kPa), relative density 1.129, refractive index 1.4362, ignition point 455°C.

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