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Antibiotics and anti-infectives

Nitarsone

Also known as Histostat, (4-Nitrophenyl)arsonic acid, Nitarson

CAS 98-72-6Formula C6H6AsNO5Molar mass 247.04 g/molEC 202-695-8
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Hazardous to the environment 1 supplier listed
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Nitarsone chemical structure, C6H6AsNO5, CAS 98-72-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
98-72-6
Formula
C6H6AsNO5
Molar mass
247.04 g/mol
EC number
202-695-8
HS code
293190
Category
Antibiotics and anti-infectives

What is Nitarsone?

Plain description, key identifiers and synonyms

Nitarsone is an organoarsonic acid where the organyl group is 4-nitrophenyl. It has a role as an agrochemical and an antiprotozoal drug. It is an organoarsonic acid and a C-nitro compound. It is functionally related to a phenylarsonic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(4-nitrophenyl)arsonic acid
CAS number
98-72-6 CAS number cross-checked
EC number
202-695-8
Molecular formula
C6H6AsNO5
UNII
JP2EN8WORU
MDL number
MFCD00024575
InChIKey
FUUFQLXAIUOWML-UHFFFAOYSA-N
InChI
InChI=1S/C6H6AsNO5/c9-7(10,11)5-1-3-6(4-2-5)8(12)13/h1-4H,(H2,9,10,11)
SMILES (canonical and isomeric)
C1=CC(=CC=C1[N+](=O)[O-])[As](=O)(O)O

Synonyms

  • Histostat
  • (4-Nitrophenyl)arsonic acid
  • Nitarson
  • 4-Nitrophenylarsonic acid
  • 4-Nitrobenzenearsonic acid
  • p-Nitrophenylarsonic acid
  • p-Nitrobenzenearsonic acid
  • Hep-a-Stat
  • Histostat 50
  • Nitarsonum
  • (p-Nitrophenyl)arsonic acid
  • Arsonic acid, 4-nitrophenyl
  • Arsonic acid, (4-nitrophenyl)-
  • nitarsona
  • C6H6AsNO5
  • Histostat-50
  • Benzenearsonic acid, p-nitro-
  • Nitarsone (USAN/INN)
  • Nitarsone Ammonium Salt
  • 4-(Hydroxy(oxido)amino)phenylarsonic acid
  • Nitarsone(usan)
  • Nitarsone, INN, USAN
  • p-Nitro-Benzenearsonic acid
  • (4-nitrophenyl)-Arsonic acid
  • 4-O2C6H4AsO3H2
Show all 28 synonyms
  • p-Nitrobenzenearsonic acid, 8CI
  • Nitarsone, VETRANAL(TM), analytical standard
  • p-Nitrobenzenearsonic acid Solution in Water, 100ug/mL

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
247.04 g/molcalc.
Exact mass
246.9462 Dacalc.
LogP (octanol/water)
-0.84calc.
Topological polar surface area
100.7 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
2calc.
Heavy atoms
13calc.
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

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H301Toxic if swallowed.
  • H331Toxic if inhaled.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (14)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P391Collect spillage.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • 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

Nitarsone suppliers

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Where suppliers are based

1 supplier in 1 country

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Nitarsone 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

Roles

  • agrochemical
  • antiinfective agent
  • antimicrobial agent
  • antimicrobial drug
  • antiparasitic agent
  • antiprotozoal 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 Nitarsone 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 Nitarsone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Nitarsone?

Nitarsone is an organoarsonic acid where the organyl group is 4-nitrophenyl. It has a role as an agrochemical and an antiprotozoal drug. It is an organoarsonic acid and a C-nitro compound. It is functionally related to a phenylarsonic acid.

What is the CAS number of Nitarsone?

The CAS registry number of Nitarsone is 98-72-6.

What is the molecular formula and weight of Nitarsone?

The molecular formula of Nitarsone is C6H6AsNO5 and its molar mass is 247.04 g/mol.

What is Nitarsone used for?

Known uses and roles of Nitarsone include agrochemical, antiinfective agent, antimicrobial agent, antimicrobial drug, antiparasitic agent and 2 more.

Is Nitarsone hazardous?

Nitarsone carries the GHS signal word "Danger". Main hazards: toxic if swallowed, toxic if inhaled, very toxic to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Nitarsone?

Nitarsone 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 Nitarsone?

CompoundList lists 1 supplier of Nitarsone in Hong Kong. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Nitarsone?

Suppliers quote Nitarsone 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 Nitarsone

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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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