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Molekula

beta-Propiolactone 97%

SKU 90034942 CAS 57-57-8 C3H4O2 MW 72.06 Available on enquiry

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ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch

Beta-propiolactone (CAS 57-57-8) is a highly reactive cyclic ester used primarily as a sterilizing agent, intermediate in organic synthesis, and polymer precursor. It functions as a potent alkylating agent and is employed in pharmaceuticals, agrochemicals, and industrial disinfection. Catalogue details: Molecular formula C3H4O2, molecular weight 72.06 g/mol, purity ≥97%, and must be stored at -15 to -20°C. The product carries a **Danger** signal word due to its high reactivity and toxicity. Molekula supplies beta-propiolactone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.

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Overview

SKU
90034942
CAS Number
57-57-8
IUPAC Name
oxetan-2-one
EC Number
200-340-1
Molecular Formula
C3H4O2
Molecular Weight
72.06
Exact Mass
72.0211
SMILES
C1COC1=O
InChIKey
VEZXCJBBBCKRPI-UHFFFAOYSA-N
InChI
InChI=1S/C3H4O2/c4-3-1-2-5-3/h1-2H2
PubChem CID
2365

Synonyms

  • 1,3-Propiolactone
  • 2-Oxetanone
  • 3-Propanolide
  • 3-Propiolactone
  • beta-Propionolactone
  • Betaprone
  • Oxetan-2-one
  • Propanolide
  • Propiolactona
  • Propiolactone

Literature values

Published physical properties of the substance, not batch specifications.

Appearance
A colorless liquid
Odour
Pungent
Melting Point
-33.4 °C
Boiling Point
61 °C at 20 mmHg
Density
1.1 g/cm³
Vapour Pressure
453 Pa at 25 °C
Refractive Index
1.413

Source: PubChem CID 2365 (HSDB, ICSC)

See all 2 other grades of CAS 57-57-8 →

Frequently asked questions

What is beta-Propiolactone (97%) commonly used for?

Beta-Propiolactone is primarily used as a sterilizing agent, chemical intermediate for pharmaceuticals, and in the synthesis of polymers, pesticides, and other specialty chemicals.

What is the chemical formula and molecular weight of beta-Propiolactone?

The chemical formula is **C₃H₄O₂**, and the molecular weight is **72.06 g/mol**.

What safety classification does beta-Propiolactone have, and how should it be handled?

Beta-Propiolactone is classified with the **Signal Word: Danger** due to its high toxicity and reactivity; it requires careful handling, including proper PPE and ventilation.

What storage conditions are required for beta-Propiolactone?

It must be stored at **-15 to -20°C** to maintain stability and prevent decomposition or hazardous reactions.

Does Molekula supply beta-Propiolactone in bulk quantities?

Yes, Molekula can supply beta-Propiolactone in bulk, with quantities tailored to customer requirements—please contact us for specific pricing and logistics.

What documentation is provided with a beta-Propiolactone order?

Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and **batch-specific documentation** for traceability and compliance.

Related products

Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

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