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Analytical reagents

Ferron

Also known as 8-Hydroxy-7-iodo-5-quinolinesulfonic acid, Meditrene, Quiniophen

CAS 547-91-1Formula C9H6INO4SMolar mass 351.12 g/molEC 208-938-4
GHS signal word: Danger. Pictograms: Corrosive 11 suppliers listed
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Ferron chemical structure, C9H6INO4S, CAS 547-91-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
547-91-1
Formula
C9H6INO4S
Molar mass
351.12 g/mol
EC number
208-938-4
HS code
293349
Category
Analytical reagents

What is Ferron?

Plain description, key identifiers and synonyms

Loretin is a hydroxyquinoline.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
8-hydroxy-7-iodoquinoline-5-sulfonic acid
CAS number
547-91-1 CAS number cross-checked
EC number
208-938-4
Molecular formula
C9H6INO4S
UNII
6E8Y02XFEI
MDL number
MFCD00006793
InChIKey
ZBJWWKFMHOAPNS-UHFFFAOYSA-N
InChI
InChI=1S/C9H6INO4S/c10-6-4-7(16(13,14)15)5-2-1-3-11-8(5)9(6)12/h1-4,12H,(H,13,14,15)
SMILES (canonical and isomeric)
C1=CC2=C(C(=C(C=C2S(=O)(=O)O)I)O)N=C1

Synonyms

  • 8-Hydroxy-7-iodo-5-quinolinesulfonic acid
  • Meditrene
  • Quiniophen
  • Yellon
  • Quinoxyl
  • Sefona
  • Yatren
  • 5-Quinolinesulfonic acid, 8-hydroxy-7-iodo-
  • Ferron (analytical reagent)
  • 7-Iodooxine-5-sulfonic acid
  • iodoquinoleine
  • Anayodin
  • 8-Hydroxy-7-iodoquinoline-5-sulfonic acid
  • Loretin
  • 7-Iodo-8-hydroxyquinoline-5-sulfonic acid
  • 8-Hydroxy-7-iodoquinolinesulfonic acid
  • 8-Hydroxy-7-iodoquinoline-5-sulphonic acid
  • 8-hydroxy-7-iodo-quinoline-5-sulfonic acid
  • Quiniofon, Sefona, Sodium chiniofon, Yatren, Yochinol
  • Ferron (Standard)
  • m-iodo-o-hydroxyquinolineanasulfonic acid
  • Cambridge id 5192841
  • 8-Hydroxy-7-iodoquinoline sulfonate
  • quinoline, 8-hydroxy-7-iodo-5-sulpho-
  • 8-Hydroxy-7-iodoquinoline-5-sulfonicacid
Show all 28 synonyms
  • 8-Hydroxy-7-iodo-5-quinoline sulfonic acid
  • 8-Hydroxy-7-iodo-5-quinioline sulfonic acid
  • 8-Hydroxy-7-iodo-5-quinolinesulfonic acid, for spectrophotometric det. of Fe(III), >=98.5%

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
351.12 g/molcalc.
Exact mass
350.9062 Dacalc.
LogP (octanol/water)
1.79calc.
Topological polar surface area
87.49 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
1calc.
Heavy atoms
16calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
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, c1ccc2ncccc2c1

c1ccc2ncccc2c1

2 rings, 10 atoms, the Quinoline ring system.

21,766 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive

Hazard statements

  • H314Causes severe skin burns and eye damage.
Precautionary statements (12)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • 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 + 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.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P363Wash contaminated clothing before reuse.
  • 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

Ferron suppliers

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

All 11 suppliers
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Where suppliers are based

11 suppliers in 6 countries

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Ferron 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

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 Ferron is traded under.

HS 2933.49Indicative HS code

Compounds containing in the structure a quinoline or isoquinoline ring-system (whether…

World exports in 2024
$939M
−14.6% vs 2023, imports $1.48B
2019 to 2024
Top exporters
  1. China30.1%
  2. India * partner reported16.7%
  3. Switzerland * partner reported14.1%
Top importers
  1. United Kingdom19.2%
  2. Germany16.0%
  3. Romania8.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Ferron?

Loretin is a hydroxyquinoline.

What is the CAS number of Ferron?

The CAS registry number of Ferron is 547-91-1.

What is the molecular formula and weight of Ferron?

The molecular formula of Ferron is C9H6INO4S and its molar mass is 351.12 g/mol.

What is Ferron used for?

Known uses and roles of Ferron include analytical reagents in research and laboratory.

Is Ferron hazardous?

Ferron carries the GHS signal word "Danger". Main hazards: 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 Ferron?

Ferron is usually classified under HS code 293349 (Compounds containing in the structure a quinoline or isoquinoline ring-system (whether…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Ferron?

CompoundList lists 11 suppliers of Ferron in China, United States, Hong Kong, Netherlands and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Ferron?

Suppliers quote Ferron 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 Ferron

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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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