Molekula
beta-Propiolactone
Beta-Propiolactone is a highly reactive, toxic cyclic ester used in organic synthesis, particularly as a reagent for introducing hydroxyl groups and in the production of pharmaceuticals and agrochemicals. It is a clear, colorless liquid with a pungent odor. CAS: 57-57-8, Molecular formula: C3H4O2, Molecular weight: 72.06 g/mol. Store at -15 to -20 °C. Signal word: Danger. Molekula supplies beta-Propiolactone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Beta-Propiolactone is a highly reactive, toxic cyclic ester used in organic synthesis, particularly as a reagent for introducing hydroxyl groups and in the production of pharmaceuticals and agrochemicals. It is a clear, colorless liquid with a pungent odor. CAS: 57-57-8, Molecular formula: C3H4O2, Molecular weight: 72.06 g/mol. Store at -15 to -20 °C. Signal word: Danger. Molekula supplies beta-Propiolactone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless liquid |
| Identification | Conforms to reference |
| Total Impurities | ≤5.0% |
| Acrylic Acid | ≤0.5% |
| Acetic acid | ≤0.5% |
| Acetic anhydride | ≤0.5% |
| Methylenediacetate | ≤0.5% |
| 2-methyl-B-propiolactone | ≤3.0% |
| B-Propiolactone | ≥98.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | -15 to -20 °C |
| Flash Point | 74 C |
| Transport Class | 6.1 |
| Packing Group | II |
| Shelf Life | 24 months |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| CAS Number | 57-57-8 |
| Molecular Formula | C3H4O2 |
| Molecular Weight | 72.06 |
| SMILES | C1COC1=O |
| EC / UN Number | 2810 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2932.20.5050 |
| Tariff Code | 2932209090 |
Safety & GHS
-
Flammable
GHS02
-
Corrosive
GHS05
Hazard statements
- H227 Combustible liquid
- H301 Toxic if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H330 Fatal if inhaled
- H350 May cause cancer
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P304+312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is beta-Propiolactone used for?
It is primarily used as a chemical intermediate in the synthesis of pharmaceuticals and polymers, particularly in the production of beta-amino acids and biodegradable polymers.
What is the chemical formula and molecular weight of beta-Propiolactone?
The formula is C3H4O2 with a molecular weight of 72.06 g/mol.
How should beta-Propiolactone be stored?
It must be stored at temperatures between -15 and -20 °C to prevent decomposition and ensure stability.
What grade of beta-Propiolactone does Molekula supply?
Molekula supplies beta-Propiolactone in technical grade; custom grades are available upon request.
Can Molekula supply beta-Propiolactone in bulk?
Yes, Molekula can supply beta-Propiolactone in bulk quantities; please contact sales for volume pricing and logistics.
What documentation comes with a beta-Propiolactone order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation is available upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.