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Chlorides and other halides

Ferrous iodide

Also known as Ferrum iodatum, Iron diiodide, Iron(II) iodide

CAS 7783-86-0Formula FeI2Molar mass 309.65 g/molEC 232-031-2
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant, Serious health hazard 3 suppliers listed Drug substance
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Ferrous iodide chemical structure, FeI2, CAS 7783-86-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
7783-86-0
Formula
FeI2
Molar mass
309.65 g/mol
EC number
232-031-2
HS code
282760
Category
Chlorides and other halides

What is Ferrous iodide?

Plain description, key identifiers and synonyms

Ferrous iodide is a chemical substance with the molecular formula FeI2 and a molar mass of 309.65 g/mol. Its CAS registry number is 7783-86-0. The IUPAC name is iron(2+) diiodide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
iron(2+) diiodide
CAS number
7783-86-0 CAS number cross-checked
EC number
232-031-2
Molecular formula
FeI2
UNII
F5452U54PN
InChIKey
BQZGVMWPHXIKEQ-UHFFFAOYSA-L
InChI
InChI=1S/Fe.2HI/h;2*1H/q+2;;/p-2
SMILES (canonical and isomeric)
[Fe+2].[I-].[I-]

Synonyms

  • Ferrum iodatum
  • Iron diiodide
  • Iron(II) iodide
  • Iron (II) iodide
  • iron(2+) diiodide
  • iron(2+), diiodide
  • Iron iodide (FeI2)
  • Iron(ii)iodide
  • ferrous, diiodide
  • >/=99.99% trace metals basis

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
309.65 g/molcalc.
Exact mass
309.7439 Dacalc.
LogP (octanol/water)
-5.99calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H332Harmful if inhaled.
  • H335May cause respiratory irritation.
  • H360May damage fertility or the unborn child.
Precautionary statements (28)
  • P203Obtain, read and follow all safety instructions before use.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P318If exposed or concerned, get medical advice.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Ferrous iodide suppliers

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All 3 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

3 suppliers in 3 countries

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Ferrous iodide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

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 Ferrous iodide is traded under.

HS 2827.60Indicative HS code

Iodides and iodide oxides

World exports in 2024
$389M
+14.6% vs 2023, imports $381M
2019 to 2024
Top exporters
  1. Japan17.1%
  2. Chile17.0%
  3. India * partner reported12.8%
Top importers
  1. China28.9%
  2. Germany14.7%
  3. South Korea9.1%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Ferrous iodide, based on the data on this page

What is Ferrous iodide?

Ferrous iodide is a chemical substance with the molecular formula FeI2 and a molar mass of 309.65 g/mol. Its CAS registry number is 7783-86-0. The IUPAC name is iron(2+) diiodide.

What is the CAS number of Ferrous iodide?

The CAS registry number of Ferrous iodide is 7783-86-0.

What is the molecular formula and weight of Ferrous iodide?

The molecular formula of Ferrous iodide is FeI2 and its molar mass is 309.65 g/mol.

Is Ferrous iodide hazardous?

Ferrous iodide carries the GHS signal word "Danger". Main hazards: harmful if swallowed, harmful in contact with skin, causes severe skin burns and eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Ferrous iodide?

Ferrous iodide is usually classified under HS code 282760 (Iodides and iodide oxides). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Ferrous iodide?

CompoundList lists 3 suppliers of Ferrous iodide in Chile, Russia and Turkey. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Ferrous iodide?

Suppliers quote Ferrous iodide 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 Ferrous iodide

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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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