Molekula
Isobutene (ca. 9% in Hexane)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Isobutene (CAS 115-11-7, molecular formula CH₂=C(CH₃)₂) is a branched-chain alkene commonly used as a monomer and chemical intermediate in synthetic rubber and plastics production, and in the manufacture of fuel additives. This product is supplied as a ~9% solution in hexane for safe handling and stability. Molecular weight: 56.11 g/mol. Store at ambient conditions. Hazard classification: Danger (signal word). Molekula supplies Isobutene in hexane 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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 3 |
| Packing Group | II |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90037456 |
| CAS Number | 115-11-7 |
| IUPAC Name | 2-methylprop-1-ene |
| EC Number | 204-066-3 |
| Molecular Formula | CH2=C(CH3)2 |
| Molecular Weight | 56.11 |
| Exact Mass | 56.0626 |
| SMILES | CC(=C)C |
| InChIKey | VQTUBCCKSQIDNK-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H8/c1-4(2)3/h1H2,2-3H3 |
| PubChem CID | 8255 |
| UN Number | UN1208 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 38229000 |
| Tariff Code | 3822900000 |
Safety & GHS
-
Flammable
GHS02
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H225 Highly flammable liquid and vapour
- H304 May be fatal if swallowed and enters airways
- H336 May cause drowsiness or dizziness
- H361f Suspected of damaging fertility.
- H372 Causes damage to organs through prolonged or repeated exposure
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, 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-Propene, 2-methyl-
- 1,1-Dimethylethylene
- 2-Methyl-1-propene
- 2-methylprop-1-ene
- 2-Methylpropene
- 2-Methylpropylene
- gamma-Butylene
- Isobutene
- ISOBUTYLENE
- Isopropylidenemethylene
Frequently asked questions
What is isobutene (in hexane) commonly used for?
Isobutene in hexane is primarily used as a reactant in the production of polymers (e.g., polyisobutylene), synthetic rubber, and as an intermediate for fuel additives like methyl tert-butyl ether (MTBE).
What is the chemical formula and molecular weight of isobutene?
The chemical formula is CH₂=C(CH₃)₂, and the molecular weight is 56.11 g/mol.
How should isobutene (in hexane) be stored?
Store in a tightly sealed container at ambient temperature, away from ignition sources, oxidizing agents, and direct sunlight.
What purity grades are available for this product?
Molekula supplies isobutene in hexane at approximately 9% w/w concentration—custom formulations may be discussed for bulk orders.
Can Molekula supply isobutene (in hexane) in bulk quantities?
Yes, bulk quantities are available upon request, subject to inventory and regulatory compliance. Contact our sales team for pricing and logistics details.
What documentation is provided with an order of isobutene (in hexane)?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS/SDS), and a packing slip with batch-specific details.
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.