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Organometallic compounds

Ferrocene

Also known as di-pi-Cyclopentadienyl iron, bis(eta(5)-cyclopentadienyl)iron, bis(eta(5)-cyclopentadienyl)iron(II), ferrocene, bis(Cyclopentadienyl)iron

CAS 102-54-5Formula C10H10FeMolar mass 186.04 g/molEC 203-039-3
GHS signal word: Danger. Pictograms: Flammable, Harmful or irritant, Serious health hazard, Hazardous to the environment 43 suppliers listed
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Ferrocene chemical structure, C10H10Fe, CAS 102-54-5
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Orange, crystalline solid
Melting point
173 to 174
Boiling point
249 °C
Solubility
<0.1 mg/mL in water
HS code
290219
Category
Organometallic compounds
UN number
UN 1325
Illustrative photo, closed blue fibre drums on a pallet in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Ferrocene?

Plain description, key identifiers and synonyms

Ferrocene appears as orange crystalline solid or orange-yellow powder. Sublimes above 212 °F. Camphor odor. (NTP, 1992)

Identifiers

Registry numbers, names and line notations, tap to copy

CAS number
102-54-5 CAS number cross-checked
EC number
203-039-3
Molecular formula
C10H10Fe
MDL number
MFCD00001427
InChIKey
DFRHTHSZMBROSH-UHFFFAOYSA-N
InChI
InChI=1S/2C5H5.Fe/c2*1-2-4-5-3-1;/h2*1-5H;
SMILES (canonical and isomeric)
C1=C[CH]C=C1.C1=C[CH]C=C1.[Fe]

Synonyms

  • di-pi-Cyclopentadienyl iron
  • bis(eta(5)-cyclopentadienyl)iron, bis(eta(5)-cyclopentadienyl)iron(II), ferrocene
  • bis(Cyclopentadienyl)iron
  • Biscyclopentadienyliron
  • Catane
  • Di(pi-cyclopentadienyl)iron
  • Di-2,4-cyclopentadien-1-yliron
  • Dicyclopentadienyl iron
  • dicyclopentadienyliron
  • Ferrotsen
  • Iron bis(cyclopentadiene)
  • Iron bis(cyclopentadienide)
  • Iron dicyclopentadienyl
  • Iron, bis(eta5-2,4-cyclopentadien-1-yl)-
  • fecp2
  • PLUTOcen G, Iron, bis(eta5-2,4-cyclopentadien-1-yl)-, NSC 2033, NSC 209798
  • Ferrocene, 98%
  • Di(cyclopentadienyl)iron
  • Ferrocene, p.a., 98%
  • Bis(cyclopentadienyl)iron (Ferrocene)
  • PLUTOcen G, Iron, bis(5-2,4-cyclopentadien-1-yl)-, NSC 2033, NSC 209798

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Orange, crystalline solidexp.
Odour
Camphor-likeexp.
Melting point
173 to 174exp.
Boiling point
249 °Cexp.
Solubility
<0.1 mg/mL in waterexp.
Vapour pressure
0.0066 kPa at 40 °C, 0.34 kPa at 100 °Cexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
186.04 g/molcalc.
Exact mass
186.0132 Dacalc.
LogP (octanol/water)
2.63calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
11calc.
Rings
2calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, [CH]1C=CC=C1

[CH]1C=CC=C1

1 ring, 5 atoms.

51 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H228Flammable solid.
  • H302 + H332Harmful if swallowed. Harmful if inhaled.
  • H302Harmful if swallowed.
  • H332Harmful if inhaled.
  • H360May damage fertility or the unborn child.
  • H373May cause damage to organs through prolonged or repeated exposure.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (21)
  • P203Obtain, read and follow all safety instructions before use.
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P317Get medical help.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P330Rinse mouth.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P391Collect spillage.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1325

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Ferrocene suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 43 suppliers
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Where suppliers are based

43 suppliers in 10 countries

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Ferrocene price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Antiknock additive for gasoline, catalyst.

Coating for missiles and satellites, high temp lubricant, intermediate for high temp polymers, UV absorber.

Catalyst for vulcanization acceleration & polymerization, chem int for polymeric compounds.

Additive to fuel oils to improve efficiency of combustion and eliminate smoke.

Ferrocene... is effective in suppressing smoke by oxidizing soot in the gas phase as well as by pronounced charring of the substrate in the condensed phase.

Roles

  • additive
  • fuel additive

How it is made

The modern electrochemical synthesis of ferrocene consists of two stages: ... In the first stage, metallic iron is oxidized anodically in ethanol to iron(II)ethoxide. At the cathode, the acidic protons of ethanol are reduced and form gaseous hydrogen which evolves out of the liquid. The iron(II)ethoxide is sparingly soluble and precipitates on the rotating cathode. A fixed scraper separates the iron(II)ethoxide from the cathode surface and suspends it into the liquid. In the second stage the ethoxide reacts with cyclopentadiene to form ferrocene and ethanol, which is recycled to the first stage. Ferrocene is filtered from the solution and purified by sublimation.

Reaction of cyclopentadiene with reduced iron in the presence of metal oxides.

From ferrous chloride and cyclopentadiene sodium.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Ferrocene is traded under.

HS 2902.19Indicative HS code

Cyclanes, cyclenes and cycloterpenes, other

World exports in 2024
$979M
+24.3% vs 2023, imports $1B
2019 to 2024
Top exporters
  1. China23.4%
  2. United States20.6%
  3. Germany13.6%
Top importers
  1. India * partner reported9.9%
  2. United States9.8%
  3. South Korea9.5%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Ferrocene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Ferrocene, based on the data on this page

What is Ferrocene?

Ferrocene appears as orange crystalline solid or orange-yellow powder. Sublimes above 212 °F. Camphor odor. (NTP, 1992)

What is the CAS number of Ferrocene?

The CAS registry number of Ferrocene is 102-54-5.

What is the molecular formula and weight of Ferrocene?

The molecular formula of Ferrocene is C10H10Fe and its molar mass is 186.04 g/mol.

What is Ferrocene used for?

Antiknock additive for gasoline, catalyst. Coating for missiles and satellites, high temp lubricant, intermediate for high temp polymers, UV absorber. Catalyst for vulcanization acceleration & polymerization, chem int for polymeric compounds. Additive to fuel oils to improve efficiency of combustion and eliminate smoke.

Is Ferrocene hazardous?

Ferrocene carries the GHS signal word "Danger". Main hazards: flammable solid, harmful if swallowed. harmful if inhaled, harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Ferrocene?

Ferrocene is usually classified under HS code 290219 (Cyclanes, cyclenes and cycloterpenes, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Ferrocene?

CompoundList lists 43 suppliers of Ferrocene in China, United States, India, Germany and 6 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Ferrocene in India?

3 suppliers in India list Ferrocene on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Ferrocene?

Suppliers quote Ferrocene on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Ferrocene

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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