Butyrolactone
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This article is compiled based on the United States Pharmacopeia (USP) – 2025 Edition
Issued and maintained by the United States Pharmacopeial Convention (USP)
(Dihydro-2-(3H)-furanone, γ-butyrolactone) 86.1 CAS RN: 96-48-0.—Clear, colorless to practically colorless, oily liquid. Miscible with water. Soluble in methanol and in ether.
Boiling Range 〈721〉: between 193° and 208°.
Refractive Index 〈831〉: about 1.435, at 20°.
Specific Gravity 〈841〉: between 1.128 and 1.135.
