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Screening compounds

Arsphenamine

Also known as Salvarsan, Arsenobenzol, Phenol, 4,4'-(1,2-diarsenediyl)bis(2-amino)-, dihydrochloride

CAS 139-93-5Formula C12H14As2Cl2N2O2Molar mass 439.01 g/molEC 205-386-6
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Arsphenamine chemical structure, C12H14As2Cl2N2O2, CAS 139-93-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
139-93-5
Formula
C12H14As2Cl2N2O2
Molar mass
439.01 g/mol
EC number
205-386-6
HS code
293190
Category
Screening compounds

What is Arsphenamine?

Plain description, key identifiers and synonyms

Arsphenamine is a first antimicrobial agent.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-amino-4-(3-amino-4-hydroxyphenyl)arsanylidenearsanylphenol, dihydrochloride
CAS number
139-93-5
EC number
205-386-6
Molecular formula
C12H14As2Cl2N2O2
UNII
8BAJ8WP85I
InChIKey
VLAXZGHHBIJLAD-UHFFFAOYSA-N
InChI
InChI=1S/C12H12As2N2O2.2ClH/c15-9-5-7(1-3-11(9)17)13-14-8-2-4-12(18)10(16)6-8;;/h1-6,17-18H,15-16H2;2*1H
SMILES (canonical and isomeric)
C1=CC(=C(C=C1[As]=[As]C2=CC(=C(C=C2)O)N)N)O.Cl.Cl

Synonyms

  • Salvarsan
  • Arsenobenzol
  • Phenol, 4,4'-(1,2-diarsenediyl)bis(2-amino)-, dihydrochloride
  • 4,4'-arsenobis(2-aminophenol) dihydrochloride
  • 4,4'-(diarsene-1,2-diyl)bis(2-aminophenol) dihydrochloride
  • Arsenobenzol, Sodium
  • 2-amino-4-(3-amino-4-hydroxy-phenyl)arsanylidenearsanyl-phenol, dihydrochloride
  • Arsabenzosol
  • Phenarsenamine
  • Arsaminol
  • Diarsenol
  • Ehrlich 606
  • Eparsenol
  • Kharsivan
  • Novarsol
  • Salavarsan
  • Sanluol
  • Tanvarsan
  • Six hundred six
  • Arsenobenzol dihydrochloride
  • Arsfenamin
  • Arsenphenolamine hydrochloride
  • Arsphenamine (dihydrochloride)
  • Phenol, 4,4'-arsenobis(2-amino-
  • Arsenobenzene, 3,3'-diamino-4,4'-dihydroxy-, dihydrochloride
Show all 30 synonyms
  • Phenol, 4,4'-arsenobis(2-amino-, dihydrochloride
  • 2-amino-4-(3-amino-4-hydroxyphenyl)arsanylidenearsanylphenol, dihydrochloride
  • Phenol, 4,4'-(1,2-diarsenediyl)bis(2-amino-, dihydrochloride
  • 2-amino-4-(3-amino-4-hydroxy-phenyl)arsanylidenearsanyl-phenol
  • Phenol, 4,4'-(1,2-diarsenediyl)bis[2-amino-, hydrochloride (1:2)

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
439.01 g/molcalc.
Exact mass
437.8864 Dacalc.
LogP (octanol/water)
0.38calc.
Topological polar surface area
92.5 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
2calc.
Heavy atoms
20calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Components
3calc.
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, 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.

Arsphenamine suppliers

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

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Arsphenamine 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

Pharmacological actions

  • Antitreponemal Agents

Roles

  • antibacterial agent
  • antibacterial drug
  • antiinfective agent
  • antimicrobial agent
  • antimicrobial drug
  • antisyphilitic drug
  • antitreponemal drug
  • pharmaceutical

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

Frequently asked questions

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

What is Arsphenamine?

Arsphenamine is a first antimicrobial agent.

What is the CAS number of Arsphenamine?

The CAS registry number of Arsphenamine is 139-93-5.

What is the molecular formula and weight of Arsphenamine?

The molecular formula of Arsphenamine is C12H14As2Cl2N2O2 and its molar mass is 439.01 g/mol.

What is Arsphenamine used for?

Known uses and roles of Arsphenamine include building blocks in research and laboratory, screening compounds in research and laboratory, antibacterial agent, antibacterial drug, antiinfective agent and 6 more.

Is Arsphenamine hazardous?

No GHS hazard classification for Arsphenamine 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 Arsphenamine?

Arsphenamine 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 Arsphenamine?

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

What is the price of Arsphenamine?

Suppliers quote Arsphenamine 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 Arsphenamine

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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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