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Molekula

Isooctane

CAS 540-84-1 C8H18 MW 114.23 Made to order

Isooctane is a branched-chain hydrocarbon used primarily as a standard reference fuel in determining octane ratings of gasoline. It is also employed in laboratory applications as a solvent and calibration standard. Available in high purity, it has a CAS number of 540-84-1, molecular formula C8H18, and molecular weight of 114.23 g/mol. Stored at ambient temperatures, it is classified as a dangerous substance. Molekula supplies Isooctane from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

CoA by batch

Overview

Isooctane is a branched-chain hydrocarbon used primarily as a standard reference fuel in determining octane ratings of gasoline. It is also employed in laboratory applications as a solvent and calibration standard. Available in high purity, it has a CAS number of 540-84-1, molecular formula C8H18, and molecular weight of 114.23 g/mol. Stored at ambient temperatures, it is classified as a dangerous substance. Molekula supplies Isooctane from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Specifications

Property Value
Appearance Clear colourless liquid
Lead ≤ 0.5 mg/l
Assay ≥ 99.75% (V)
Density at 15 deg C 694-698 kg/m3
n-Heptane ≤ 0.10% (V)

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point -12 C
Transport Class 3
Packing Group II
Shelf Life 24 months
Acidity Acid

Identification

Property Value
CAS Number 540-84-1
Molecular Formula C8H18
Molecular Weight 114.23
SMILES CC(C)CC(C)(C)C
EC / UN Number 1262
REACH Code Y110
TSCA Listed Yes
HTS Code 29011040
Tariff Code 2901100000

Safety & GHS

Danger
  • GHS pictogram — Explosive Explosive GHS01
  • GHS pictogram — Flammable Flammable GHS02
  • GHS pictogram — Oxidizing Oxidizing GHS03
  • GHS pictogram — Toxic Toxic GHS06

Hazard statements

  • H225 Highly flammable liquid and vapour
  • H304 May be fatal if swallowed and enters airways
  • H315 Causes skin irritation
  • H336 May cause drowsiness or dizziness
  • H400 Very toxic to aquatic life
  • H410 Very toxic to aquatic life with long lasting effects

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P233 Keep container tightly closed
  • P273 Avoid release to the environment
  • P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
  • P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
  • P403+233 Store in a well ventilated place. Keep container tightly closed

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

  • 2.5 L

    €134.25 · per pack

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 isooctane used for?

Isooctane is primarily used as a reference fuel in determining the octane rating of gasoline.

What is the chemical formula and molecular weight of isooctane?

The formula is C8H18 and the molecular weight is 114.23 g/mol.

How should isooctane be stored?

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

What grade of isooctane does Molekula supply?

Molekula supplies isooctane in reagent grade.

Can Molekula supply isooctane in bulk?

Yes, Molekula can supply isooctane in bulk quantities upon request.

What documentation comes with an order of isooctane?

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

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.

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