Molekula
beta-Propiolactone 96% min.
Supplying 4,500+ customers in over 80 countries
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 for polymer production. It acts as a potent alkylating agent with broad applications in pharmaceuticals, agrochemicals, and industrial disinfection. This product contains **≥96% beta-propiolactone (C3H4O2, MW 72.06)** and requires cold storage at **-15 to -20°C**. It carries a **Danger signal word** due to its severe toxicity and reactivity. Handling requires strict adherence to safety protocols, including proper ventilation and protective equipment. 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.
Overview
- SKU
- 90035188
- 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 primarily used for?
Beta-Propiolactone is primarily used as a sterilizing agent, intermediate in organic synthesis, and in the production of pharmaceuticals, pesticides, and polymers.
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**.
How should beta-Propiolactone be stored?
Store at **-15 to -20°C** in a cool, dry place, away from incompatible substances like oxidizing agents and water.
What grade or purity level of beta-Propiolactone does Molekula supply?
Molekula supplies beta-Propiolactone at **96% minimum purity**.
Can Molekula supply beta-Propiolactone in bulk quantities?
Yes, Molekula can supply beta-Propiolactone in bulk, with quantities tailored to your specific requirements.
What documentation comes with an order of beta-Propiolactone?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
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.