Skip to content
Molekula

Molekula

Isobutene (ca. 15% in Tetrahydrofuran)

SKU 90037455 CAS 115-11-7 CH2=C(CH3)2 MW 56.11 Made to order Bulk quantities on request

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 (ca. 15% in Tetrahydrofuran) is a flammable, reactive olefin used in chemical synthesis and polymer production. It is supplied as a solution in tetrahydrofuran for enhanced stability and handling. CAS: 115-11-7, molecular formula: C4H8, molecular weight: 56.11 g/mol, stored at ambient temperature. Signal word: Danger. Molekula supplies Isobutene (ca. 15% in Tetrahydrofuran) from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

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.

Quantity
Unit
Needed by
Full name
Email
Company
Phone (optional)
Notes

Expect a response within hours

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 90037455
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 UN2056
REACH Code Y110
TSCA Listed Yes
HTS Code 38229000
Tariff Code 3822900000

Safety & GHS

Danger
  • GHS pictogram — Flammable Flammable GHS02
  • GHS pictogram — Health Hazard Health Hazard GHS07
  • GHS pictogram — Serious Health Hazard Serious Health Hazard GHS08

Hazard statements

  • EUH019 May form explosive peroxides
  • H225 Highly flammable liquid and vapour
  • H302 Harmful if swallowed
  • H319 Causes serious eye irritation
  • H336 May cause drowsiness or dizziness
  • H351 Suspected of causing 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
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
  • P308+313 IF exposed or concerned: Get medical advice/attention

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.

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 used for?

Isobutene is primarily used in the production of synthetic rubber, methyl tert-butyl ether (MTBE), and other petrochemicals.

What is the chemical formula and molecular weight of isobutene?

The formula is CH2=C(CH3)2 with a molecular weight of 56.11 g/mol.

How should isobutene be stored?

It should be stored at ambient temperature, away from heat and ignition sources.

What grade of isobutene is available?

The product is supplied as isobutene (approximately 15% in tetrahydrofuran), suitable for industrial and laboratory use.

Can Molekula supply isobutene in bulk?

Yes, Molekula can supply isobutene in bulk quantities—please contact sales for details.

What documentation comes with the order?

Each order includes a Certificate of Analysis and Safety Data Sheet (SDS) with the shipment.

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.

Talk to a chemist
Documents Pricing
Request a quote
Tell us the product and the quantity you need — including quantities larger than our listed packs. Expect a response within hours.
Full name
Company
Email
Phone (optional)
Product
Quantity needed

Ask for whatever you actually need — the pack sizes on our catalogue pages are a starting point, not a limit.

Message
View basket