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Impurities and reference standards

o-Nitrobenzenethiol

Also known as 2-Nitrobenzenethiol, Benzenethiol, 2-nitro-, 2-Nitrothiophenol

CAS 4875-10-9Formula C6H5NO2SMolar mass 155.18 g/molEC 225-483-7
GHS signal word: Danger. Pictograms: Corrosive, Acute toxicity (severe) 1 supplier listed
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o-Nitrobenzenethiol chemical structure, C6H5NO2S, CAS 4875-10-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4875-10-9
Formula
C6H5NO2S
Molar mass
155.18 g/mol
EC number
225-483-7
HS code
293090
Category
Impurities and reference standards

What is o-Nitrobenzenethiol?

Plain description, key identifiers and synonyms

o-Nitrobenzenethiol is a chemical substance with the molecular formula C6H5NO2S and a molar mass of 155.18 g/mol. Its CAS registry number is 4875-10-9. The IUPAC name is 2-nitrobenzenethiol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-nitrobenzenethiol
CAS number
4875-10-9 CAS number cross-checked
EC number
225-483-7
Molecular formula
C6H5NO2S
UNII
87LAB89EM2
MDL number
MFCD00797853
InChIKey
JKIFPWHZEZQCQA-UHFFFAOYSA-N
InChI
InChI=1S/C6H5NO2S/c8-7(9)5-3-1-2-4-6(5)10/h1-4,10H
SMILES (canonical and isomeric)
C1=CC=C(C(=C1)[N+](=O)[O-])S

Synonyms

  • 2-Nitrobenzenethiol
  • Benzenethiol, 2-nitro-
  • 2-Nitrothiophenol
  • 2-nitrobenzene-1-thiol
  • nitrothiophenol
  • o-nitrothiophenol
  • 2-nitro-benzenethiol
  • 2-Thionitrobenzene
  • Benzenethiol, nitro-
  • o-Mercaptonitrobenzene
  • o-Nitromercaptobenzene
  • Dapsone Impurity 31
  • 2-Nitrothiophenol iso 90012015 reach
  • 2-Nitrobenzenethiol, 2-Sulphanylnitrobenzene, 2-Thionitrobenzene

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
155.18 g/molcalc.
Exact mass
155.0041 Dacalc.
LogP (octanol/water)
1.88calc.
Topological polar surface area
43.14 Ųcalc.
Hydrogen bond donors
1calc.
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

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H301Toxic if swallowed.
  • H311Toxic in contact with skin.
  • H318Causes serious eye damage.
  • H330Fatal if inhaled.
Precautionary statements (21)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • 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.
  • P317Get medical help.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • 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

o-Nitrobenzenethiol suppliers

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Where suppliers are based

1 supplier in 1 country

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o-Nitrobenzenethiol 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 o-Nitrobenzenethiol is traded under.

HS 2930.90Indicative HS code

Organo-sulphur compounds, other

World exports in 2024
$5.83B
+0.1% vs 2023, imports $5.93B
2019 to 2024
Top exporters
  1. China40.7%
  2. United States10.9%
  3. Japan9.3%
Top importers
  1. United States13.3%
  2. Brazil12.6%
  3. China6.6%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about o-Nitrobenzenethiol, based on the data on this page

What is o-Nitrobenzenethiol?

o-Nitrobenzenethiol is a chemical substance with the molecular formula C6H5NO2S and a molar mass of 155.18 g/mol. Its CAS registry number is 4875-10-9. The IUPAC name is 2-nitrobenzenethiol.

What is the CAS number of o-Nitrobenzenethiol?

The CAS registry number of o-Nitrobenzenethiol is 4875-10-9.

What is the molecular formula and weight of o-Nitrobenzenethiol?

The molecular formula of o-Nitrobenzenethiol is C6H5NO2S and its molar mass is 155.18 g/mol.

Is o-Nitrobenzenethiol hazardous?

o-Nitrobenzenethiol carries the GHS signal word "Danger". Main hazards: toxic if swallowed, toxic in contact with skin, causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of o-Nitrobenzenethiol?

o-Nitrobenzenethiol is usually classified under HS code 293090 (Organo-sulphur compounds, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy o-Nitrobenzenethiol?

CompoundList lists 1 supplier of o-Nitrobenzenethiol in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of o-Nitrobenzenethiol?

Suppliers quote o-Nitrobenzenethiol 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 o-Nitrobenzenethiol

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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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