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Amines and amides

Oxophenarsine

Also known as Oxyphenarsine, 2-Amino-4-arsenosophenol, Oxofenarsina

CAS 306-12-7Formula C6H6AsNO2Molar mass 199.04 g/molEC 206-178-8
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Oxophenarsine chemical structure, C6H6AsNO2, CAS 306-12-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
306-12-7
Formula
C6H6AsNO2
Molar mass
199.04 g/mol
EC number
206-178-8
HS code
293190
Category
Amines and amides

What is Oxophenarsine?

Plain description, key identifiers and synonyms

Oxophenarsine is a substituted aniline.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-amino-4-arsorosophenol
CAS number
306-12-7 CAS number cross-checked
EC number
206-178-8
Molecular formula
C6H6AsNO2
UNII
QIC740F43H
InChIKey
KVGGQNNGLOIZSK-UHFFFAOYSA-N
InChI
InChI=1S/C6H6AsNO2/c8-5-3-4(7-10)1-2-6(5)9/h1-3,9H,8H2
SMILES (canonical and isomeric)
C1=CC(=C(C=C1[As]=O)N)O

Synonyms

  • Oxyphenarsine
  • 2-Amino-4-arsenosophenol
  • Oxofenarsina
  • Oxophenarsinum
  • arsphenoxidum
  • Oxarsan
  • Phenarsen
  • 2-amino-4-arsorosophenol
  • 3-Amino-4-hydroxyphenylarsinoxide
  • Phenol, 2-amino-4-arsenoso-
  • (3-Amino-4-hydroxyphenyl)arsenous acid
  • 3-16-00-00994 (Beilstein Handbook Reference)
  • Maphersen.RTM.
  • Maphersen
  • Oxophenarsine hydrochloride 3-Amino-4-hydroxyphenyl-arsineoxide hydrochloride
  • 2-amino-4-arsoroso-phenol
  • 3-Amino-4-hydroxy-phenylarsinoxyd
  • (3-Amino-4-hydroxyphenyl)arsanone
  • 2-Amino-4-(oxoarsino)phenol hydrochloride

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
199.04 g/molcalc.
Exact mass
198.9615 Dacalc.
LogP (octanol/water)
-0.35calc.
Topological polar surface area
63.32 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
1calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

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.

Oxophenarsine suppliers

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Oxophenarsine 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

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 Oxophenarsine is traded under.

HS 2931.90Indicative HS code

Organo-inorganic compounds, other than tetramethyl lead, tetraethyl lead, tributyltin compounds…

World exports in 2024
$3.97B
+5.3% vs 2023, imports $3.93B
2019 to 2024
Top exporters
  1. China28.3%
  2. United States15.6%
  3. Germany15.1%
Top importers
  1. United States14.6%
  2. China13.0%
  3. South Korea8.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Oxophenarsine?

Oxophenarsine is a substituted aniline.

What is the CAS number of Oxophenarsine?

The CAS registry number of Oxophenarsine is 306-12-7.

What is the molecular formula and weight of Oxophenarsine?

The molecular formula of Oxophenarsine is C6H6AsNO2 and its molar mass is 199.04 g/mol.

What is Oxophenarsine used for?

Known uses and roles of Oxophenarsine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Oxophenarsine hazardous?

No GHS hazard classification for Oxophenarsine is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Oxophenarsine?

Oxophenarsine is usually classified under HS code 293190 (X. ORGANO-INORGANIC COMPOUNDS, HETEROCYCLIC COMPOUNDS, NUCLEIC ACIDS AND THEIR SALTS…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Oxophenarsine?

Post a free request on CompoundList and suppliers of Oxophenarsine will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Oxophenarsine?

Suppliers quote Oxophenarsine 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 Oxophenarsine

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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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