Molekula
gamma-Butyrolactone 99% min.
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Gamma-butyrolactone (GBL) is a hygroscopic hygroscopic lactone widely used as a solvent, intermediate in organic synthesis, and in pharmaceutical manufacturing. It is also employed in the production of polymers and as a reagent in chemical research. This high-purity product (99% min.) has a CAS number of 96-48-0, a molecular formula of C4H6O2, and a molecular weight of 86.09. It is stored at ambient temperatures and carries a signal word of "Danger." Molekula supplies gamma-butyrolactone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless liquid |
| Refractive Index | 1.435-1.437 |
| Purity | ≥99.0% |
| Water (KF) | ≤0.1% |
| Identification (IR) | Conforms to structure |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 98 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Oily liquid |
| Odour | Pleasant odor |
| Melting Point | -44 °C |
| Boiling Point | 204 °C |
| Density | 1.13 (relative, water = 1) |
| Solubility (other solvents) | Very soluble in acetone, benzene, diethyl ether, and ethanol |
| Vapour Pressure | 0.15 kPa at 20 °C |
| Refractive Index | 1.4348 |
| log P (octanol/water) | -0.64 |
Source: PubChem CID 7302 (HSDB, ICSC)
Identification
| Property | Value |
|---|---|
| SKU | 90032833 |
| CAS Number | 96-48-0 |
| IUPAC Name | oxolan-2-one |
| EC Number | 202-509-5 |
| Molecular Formula | C4H6O2 |
| Molecular Weight | 86.09 |
| Exact Mass | 86.0368 |
| SMILES | C1CC(=O)OC1 |
| InChIKey | YEJRWHAVMIAJKC-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H6O2/c5-4-2-1-3-6-4/h1-3H2 |
| PubChem CID | 7302 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29322020 |
| Tariff Code | 2932202000 |
Safety & GHS
-
Corrosive
GHS05
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H318 Causes serious eye damage
- H336 May cause drowsiness or dizziness
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: 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
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Russian, Spanish.
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.
Synonyms
- 1,4-Butanolide
- 2-Oxolanone
- 4-Butanolide
- 4-Butyrolactone
- 4-Hydroxybutyric acid lactone
- BUTYROLACTONE
- Butyryl lactone
- Dihydro-2(3H)-furanone
- dihydrofuran-2(3H)-one
- oxolan-2-one
Frequently asked questions
What is gamma-Butyrolactone (GBL) primarily used for?
Gamma-Butyrolactone is commonly used as a solvent in the pharmaceutical, cosmetic, and polymer industries, as well as an intermediate in chemical synthesis.
What is the chemical formula and molecular weight of gamma-Butyrolactone?
The chemical formula is **C₄H₆O₂**, and the molecular weight is **86.09 g/mol**.
How should gamma-Butyrolactone be stored?
Store gamma-Butyrolactone in a tightly sealed container at **ambient temperature**, away from sources of ignition and incompatible materials.
What purity grade is available for gamma-Butyrolactone from Molekula?
Molekula supplies gamma-Butyrolactone at a **minimum purity of 99%**.
Can Molekula supply gamma-Butyrolactone in bulk quantities?
Yes, gamma-Butyrolactone is available in bulk, with packaging options tailored to your specific requirements—please contact us for details.
What documentation is provided with an order of gamma-Butyrolactone?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a product specification sheet.
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.