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Butanone (Methyl ethyl ketone)

CAS 78-93-3 C2H5COCH3 MW 72.11 In stock

Butanone, also known as methyl ethyl ketone, is a volatile organic solvent used in paints, coatings, adhesives, and chemical synthesis. It is a clear, flammable liquid with a sharp, sweet odor. CAS: 78-93-3, molecular formula: C4H8O, molecular weight: 72.11 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Butanone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Butanone, also known as methyl ethyl ketone, is a volatile organic solvent used in paints, coatings, adhesives, and chemical synthesis. It is a clear, flammable liquid with a sharp, sweet odor. CAS: 78-93-3, molecular formula: C4H8O, molecular weight: 72.11 g/mol. Store at ambient temperature. Signal word: Danger. Molekula supplies Butanone from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Clear colourless liquid
Density 0.804 - 0.807
Refractive Index 1.378 - 1.380
Water ≤0.1%
Identification Conforms to reference
Colour Pt-Co ≤10
Purity GC ≥99.5%
Acidity as Acetic Acid ≤0.003%

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point -6 C
Transport Class 3
Packing Group II
Shelf Life 24 months
Acidity Neutral

Identification

Property Value
CAS Number 78-93-3
Molecular Formula C2H5COCH3
Molecular Weight 72.11
SMILES CCC(=O)C
EC / UN Number 1193
REACH Code Y110
TSCA Listed Yes
HTS Code 2914.12.0000
Tariff Code 2914120000

Safety & GHS

Danger
  • GHS pictogram — Explosive Explosive GHS01
  • GHS pictogram — Oxidizing Oxidizing GHS03

Hazard statements

  • EUH066 Repeated exposure may cause skin dryness or cracking
  • H225 Highly flammable liquid and vapour
  • H303 May be harmful if swallowed
  • H319 Causes serious eye irritation
  • H336 May cause drowsiness or dizziness

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
  • P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
  • 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

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

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

Pack sizes & pricing

Pricing on request — packs available from research to bulk quantities.

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

What is Butanone used for?

Butanone is commonly used as a solvent in paints, coatings, adhesives, and cleaning agents due to its fast evaporation and strong dissolving power.

What is the chemical formula and molecular weight of Butanone?

The formula is C2H5COCH3 (or C4H8O) and the molecular weight is 72.11 g/mol.

How should Butanone be stored?

Store at ambient temperature in a well-ventilated, cool, and dry place away from ignition sources.

What grade of Butanone does Molekula supply?

Molekula supplies Butanone in technical grade; custom grades are available upon request.

Can Molekula supply Butanone in bulk?

Yes, Molekula can supply Butanone in bulk quantities; please contact sales for volume pricing and delivery options.

What documentation comes with a Butanone order?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) compliant with GHS standards.

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Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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