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Amines and amides

Sulfarsphenamine

Also known as Metarsenobillon, Myosalvarsan, Karsulphan

CAS 618-82-6Formula C14H14As2N2Na2O8S2Molar mass 598.23 g/molEC 210-564-1
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Sulfarsphenamine chemical structure, C14H14As2N2Na2O8S2, CAS 618-82-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
618-82-6
Formula
C14H14As2N2Na2O8S2
Molar mass
598.23 g/mol
EC number
210-564-1
HS code
293190
Category
Amines and amides

What is Sulfarsphenamine?

Plain description, key identifiers and synonyms

Sulfarsphenamine is a chemical substance with the molecular formula C14H14As2N2Na2O8S2 and a molar mass of 598.23 g/mol. Its CAS registry number is 618-82-6. The IUPAC name is disodium, [2-hydroxy-5-[4-hydroxy-3-(sulfonatomethylamino)phenyl]arsanylidenearsanylanilino]methanesulfonate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
disodium, [2-hydroxy-5-[4-hydroxy-3-(sulfonatomethylamino)phenyl]arsanylidenearsanylanilino]methanesulfonate
CAS number
618-82-6 CAS number cross-checked
EC number
210-564-1
Molecular formula
C14H14As2N2Na2O8S2
UNII
B1GGH4ZUZL
InChIKey
BPRGSDPGYCSOSJ-UHFFFAOYSA-L
InChI
InChI=1S/C14H16As2N2O8S2.2Na/c19-13-3-1-9(5-11(13)17-7-27(21,22)23)15-16-10-2-4-14(20)12(6-10)18-8-28(24,25)26;;/h1-6,17-20H,7-8H2,(H,21,22,23)(H,24,25,26);;/q;2*+1/p-2
SMILES (canonical and isomeric)
C1=CC(=C(C=C1[As]=[As]C2=CC(=C(C=C2)O)NCS(=O)(=O)[O-])NCS(=O)(=O)[O-])O.[Na+].[Na+]

Synonyms

  • Metarsenobillon
  • Myosalvarsan
  • Karsulphan
  • Myarsenol
  • Myarsenolum
  • Sulfarsenol
  • Thioarsmine
  • Myo-Salvarsan
  • Sulfarsenobenzene
  • Solfarsfenamina
  • Sulfarsfenamina
  • Sulfarsphenaminum
  • Disodium salt of 3,3'-bis(sulfomethylamino)-p-arsenophenol
  • Disodium (arsenobis((6-hydroxy-m-phenylene)imino))dimethanesulfonate
  • 3,3'-Diamino-4,4'-dihydroxyarsenobenzol-N,N'-methanesulfonsaeure dinatrium salz
  • Dinatrium 3,3'-diamino-4,4'-dihydroxy-arsenobenzol-N,N'-bis-methansulfonat
  • Disodium 3,3'-diamino-4,4'-dihydroxyarsenobenzene-N,N'-dimethylenebisulfite
  • Disodium 3,3'-diamino-4,4'-dihydroxyarsenobenzene-N,N'-dimethylenesulfonate
  • 1,2-Diarsenediylbis((6-hydroxy-3,1-phenylene)imino))bismethanesulfonic acid disodium salt
  • Methanesulfonic acid, (arsenobis((6-hydroxy-m-phenylene)imino))di-, disodium salt
  • Sulfarsfenamina (INN-Spanish)
  • Sulfarsphenaminum (INN-Latin)
  • Disodium (arsenobis((6-hydroxy-m-phenylene)imino))dimethanesulphonate
  • disodium, [2-hydroxy-5-[4-hydroxy-3-(sulfonatomethylamino)phenyl]arsanylidenearsanylanilino]methanesulfonate
  • Myosaviol, Odarsol, Sulfarphenamin, Sulfarsenobenzene
Show all 27 synonyms
  • Sulfarsphenamin
  • Disodium ({2-hydroxy-5-[2-{4-hydroxy-3-[(sulfonatomethyl)amino]phenyl}diarsen-1-yl]phenyl}amino)methanesulfonate

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
598.23 g/molcalc.
Exact mass
597.8419 Dacalc.
LogP (octanol/water)
-7.79calc.
Topological polar surface area
178.9 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
10calc.
Rotatable bonds
8calc.
Heavy atoms
30calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.14calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.
Lipinski rule of five
Passes (1 violation)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, c1ccc([As]=[As]c2ccccc2)cc1

c1ccc([As]=[As]c2ccccc2)cc1

2 rings, 14 atoms, the Diphenyldiarsenic acid ring system.

12 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.

Sulfarsphenamine suppliers

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Sulfarsphenamine 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

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

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 Sulfarsphenamine 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 Sulfarsphenamine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Sulfarsphenamine?

Sulfarsphenamine is a chemical substance with the molecular formula C14H14As2N2Na2O8S2 and a molar mass of 598.23 g/mol. Its CAS registry number is 618-82-6. The IUPAC name is disodium, [2-hydroxy-5-[4-hydroxy-3-(sulfonatomethylamino)phenyl]arsanylidenearsanylanilino]methanesulfonate.

What is the CAS number of Sulfarsphenamine?

The CAS registry number of Sulfarsphenamine is 618-82-6.

What is the molecular formula and weight of Sulfarsphenamine?

The molecular formula of Sulfarsphenamine is C14H14As2N2Na2O8S2 and its molar mass is 598.23 g/mol.

Is Sulfarsphenamine hazardous?

No GHS hazard classification for Sulfarsphenamine 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 Sulfarsphenamine?

Sulfarsphenamine 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 Sulfarsphenamine?

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What is the price of Sulfarsphenamine?

Suppliers quote Sulfarsphenamine 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 Sulfarsphenamine

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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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