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Iron hydroxide

Also known as iron, hydroxide

CAS 11113-66-9Formula HFeO-Molar mass 72.85 g/molEC 234-346-0
Iron hydroxide chemical structure, HFeO-, CAS 11113-66-9
2D chemical structure

Key facts

What buyers check first

CAS number
11113-66-9
Formula
HFeO-
Molar mass
72.85 g/mol
EC number
234-346-0
HS code
282110
Category
Hydroxides and bases

What is Iron hydroxide?

Plain description, key identifiers and synonyms

Iron hydroxide is a chemical substance with the molecular formula HFeO- and a molar mass of 72.85 g/mol. Its CAS registry number is 11113-66-9.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
iron hydroxide
CAS number
11113-66-9
EC number
234-346-0
Molecular formula
HFeO-
InChIKey
WKPSFPXMYGFAQW-UHFFFAOYSA-M
InChI
InChI=1S/Fe.H2O/h;1H2/p-1
SMILES (canonical and isomeric)
[OH-].[Fe]

Synonyms

  • iron, hydroxide

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
72.85 g/molcalc.
Exact mass
72.9382 Dacalc.
LogP (octanol/water)
-0.18calc.
Topological polar surface area
30 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
2calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
-1calc.
Stereocentres
0calc.
Components
2calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

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

Iron hydroxide suppliers

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Iron hydroxide 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

Use classes: Cosmetics.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2821.10Indicative HS code

Iron oxides and hydroxides

World exports in 2024
$669M
+0.0% vs 2023, imports $910M
2019 to 2024
Top exporters
  1. China48.4%
  2. United States7.3%
  3. Italy5.5%
Top importers
  1. United States27.1%
  2. China8.9%
  3. United Kingdom3.8%
Reported customs values in USD, not prices.Full trade data

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

Guides for buyers

Practical guides that help when you source, ship or handle Iron hydroxide

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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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