Tech Serve Solutions

α-Methylene-γ-butyrolactone

CAS 547-65-9C5H6O2Chemical Synthesis

α-Methylene-γ-butyrolactone (CAS 547-65-9), molecular formula C5H6O2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

IUPAC
3-Methylenedihydro-2(3H)-furanone,Tulipane,alpha-Methylene-gamma-butyrolactone
α-Methylene-γ-butyrolactone
Building BlocksCarbonyl CompoundsChemical SynthesisLactonesOrganic Building Blocks
01 /Properties
Molecular weight98.10
Empirical formulaC5H6O2
Assay≥97.0% (GC)
Boiling point86-88 °C/12 mmHg(lit.)
Density1.119 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.472(lit.)n20/D 1.472
Storage temperature2-8°C
Contains / stabiliser~1% 2,6-di-tert-butyl-4-methylphenol as stabilizer
ApplicationVery reactive Michael-acceptor; the α-methylene-γ-butyrolactone ring system exists in many natural products of biological interest
02 /Safety & handling
Flammable
Flammable
Harmful / irritant
Harmful / irritant
Warning

Hazard statements

  • H226Flammable liquid and vapour
  • H317May cause an allergic skin reaction

Precautionary statements

  • P280Wear protective gloves, clothing and eye/face protection
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point37 °C / 98.6 °F
Transport (UN / ADR)NA 1993 / PGIII
Water hazard class (WGK, DE)3
Hazard codes (EU)Xn
Risk statements (R)10-42/43
Safety statements (S)23-36/37-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

03 /Identifiers & registry
CAS number
547-65-9
MDL number
MFCD00005407
PubChem substance
24884906
Beilstein registry
107939
04 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

05 /Frequently asked questions

What is α-Methylene-γ-butyrolactone?

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α-Methylene-γ-butyrolactone (CAS 547-65-9), molecular formula C5H6O2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of α-Methylene-γ-butyrolactone does Tech Serve Solutions supply?

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Tech Serve Solutions supplies α-Methylene-γ-butyrolactone in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of α-Methylene-γ-butyrolactone?

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α-Methylene-γ-butyrolactone has CAS number 547-65-9 and molecular formula C5H6O2. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for α-Methylene-γ-butyrolactone?

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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

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Yes. Every batch of α-Methylene-γ-butyrolactone ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should α-Methylene-γ-butyrolactone be stored?

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Store α-Methylene-γ-butyrolactone in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is α-Methylene-γ-butyrolactone used for?

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α-Methylene-γ-butyrolactone is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for α-Methylene-γ-butyrolactone?

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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

Need α-Methylene-γ-butyrolactone in a specific grade or volume?

Request a quote