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Aromatic building blocks

Thionalide

Also known as Thiolanilide, Thionalid, 2-Mercapto-N-2-naphthylacetamide

CAS 93-42-5Formula C12H11NOSMolar mass 217.29 g/molEC 202-245-0
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant, Hazardous to the environment
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Thionalide chemical structure, C12H11NOS, CAS 93-42-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
93-42-5
Formula
C12H11NOS
Molar mass
217.29 g/mol
EC number
202-245-0
HS code
293090
Category
Aromatic building blocks

What is Thionalide?

Plain description, key identifiers and synonyms

Thionalide is a chemical substance with the molecular formula C12H11NOS and a molar mass of 217.29 g/mol. Its CAS registry number is 93-42-5. The IUPAC name is N-naphthalen-2-yl-2-sulfanylacetamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-naphthalen-2-yl-2-sulfanylacetamide
CAS number
93-42-5 CAS number cross-checked
EC number
202-245-0
Molecular formula
C12H11NOS
UNII
5M3H598CDM
InChIKey
SGMHGVVTMOGJMX-UHFFFAOYSA-N
InChI
InChI=1S/C12H11NOS/c14-12(8-15)13-11-6-5-9-3-1-2-4-10(9)7-11/h1-7,15H,8H2,(H,13,14)
SMILES (canonical and isomeric)
C1=CC=C2C=C(C=CC2=C1)NC(=O)CS

Synonyms

  • Thiolanilide
  • Thionalid
  • 2-Mercapto-N-2-naphthylacetamide
  • Acetamide, 2-mercapto-N-2-naphthyl-
  • Thioglycolic-beta-aminonaphthalide
  • N-2-Naphthyl-mercaptoacetamide
  • N-naphthalen-2-yl-2-sulfanylacetamide
  • Acetamide, 2-mercapto-N-2-naphthalenyl-
  • N-(naphthalen-2-yl)-2-sulfanylacetamide
  • N-(2-Naphthyl)-2-sulfanylacetamide
  • 2-Mercapto-N-(2-naphthyl)acetamide
  • Sgmhgvvtmogjmx-uhfffaoysa-
  • N-(2-Naphthyl)-2-sulfanylacetamide #
  • N-(2-Naphthyl)mercaptoacetamide
  • acetamide, 2-mercapto-N-(2-naphthyl)-
  • n-2-Naphthyl-2-mercaptoacetamide
  • Thioglycolic acid beta-naphthalide

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
217.29 g/molcalc.
Exact mass
217.0561 Dacalc.
LogP (octanol/water)
2.71calc.
Topological polar surface area
29.1 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
15calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.08calc.
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, c1ccc2ccccc2c1

c1ccc2ccccc2c1

2 rings, 10 atoms, the Naphthalene ring system.

17,920 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H315Causes skin irritation.
  • H318Causes serious eye damage.
  • H335May cause respiratory irritation.
  • H411Toxic to aquatic life with long lasting effects.
Precautionary statements (18)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • 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.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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

Thionalide suppliers

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

Frequently asked questions

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

What is Thionalide?

Thionalide is a chemical substance with the molecular formula C12H11NOS and a molar mass of 217.29 g/mol. Its CAS registry number is 93-42-5. The IUPAC name is N-naphthalen-2-yl-2-sulfanylacetamide.

What is the CAS number of Thionalide?

The CAS registry number of Thionalide is 93-42-5.

What is the molecular formula and weight of Thionalide?

The molecular formula of Thionalide is C12H11NOS and its molar mass is 217.29 g/mol.

What is Thionalide used for?

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

Is Thionalide hazardous?

Thionalide carries the GHS signal word "Danger". Main hazards: causes skin irritation, causes serious eye damage, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Thionalide?

Thionalide 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 Thionalide?

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What is the price of Thionalide?

Suppliers quote Thionalide 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 Thionalide

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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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