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Rodenticides, nematicides and other pesticides

Tioxazafen

Also known as 3-phenyl-5-(thiophen-2-yl)-1,2,4-oxadiazole, 3-Phenyl-5-(2-thienyl)-1,2,4-oxadiazole, 1,2,4-Oxadiazole, 3-phenyl-5-(2-thienyl)-

CAS 330459-31-9Formula C12H8N2OSMolar mass 228.28 g/molEC 810-533-8
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 4 suppliers listed
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Tioxazafen chemical structure, C12H8N2OS, CAS 330459-31-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
330459-31-9
Formula
C12H8N2OS
Molar mass
228.28 g/mol
EC number
810-533-8
HS code
293499
Category
Rodenticides, nematicides and other pesticides

What is Tioxazafen?

Plain description, key identifiers and synonyms

Tioxazafen is a 1,2,4-oxadizole in which the hydrogens at positions 3 and 5 have been replaced by phenyl and thiophen-2-yl groups, respectively. It is used as a broad spectrum nematicidal seed treatment. It has a role as a nematicide and an agrochemical. It is a member of thiophenes and a 1,2,4-oxadiazole.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-phenyl-5-thiophen-2-yl-1,2,4-oxadiazole
CAS number
330459-31-9 CAS number cross-checked
EC number
810-533-8
Molecular formula
C12H8N2OS
UNII
45442MUI4L
MDL number
MFCD00760257
InChIKey
IHNSIFFSNUQGQN-UHFFFAOYSA-N
InChI
InChI=1S/C12H8N2OS/c1-2-5-9(6-3-1)11-13-12(15-14-11)10-7-4-8-16-10/h1-8H
SMILES (canonical and isomeric)
C1=CC=C(C=C1)C2=NOC(=N2)C3=CC=CS3

Synonyms

  • 3-phenyl-5-(thiophen-2-yl)-1,2,4-oxadiazole
  • 3-Phenyl-5-(2-thienyl)-1,2,4-oxadiazole
  • 1,2,4-Oxadiazole, 3-phenyl-5-(2-thienyl)-
  • 3-phenyl-5-thiophen-2-yl-1,2,4-oxadiazole
  • 3-phenyl-5-(thiophen-2-yl)-[1,2,4]oxadiazole
  • Cambridge id 5652963

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
228.28 g/molcalc.
Exact mass
228.0357 Dacalc.
LogP (octanol/water)
3.47calc.
Topological polar surface area
38.92 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
2calc.
Heavy atoms
16calc.
Rings
3calc.
Aromatic rings
3calc.
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, c1ccc(-c2noc(-c3cccs3)n2)cc1

c1ccc(-c2noc(-c3cccs3)n2)cc1

3 rings, 16 atoms. This chemical is the scaffold itself.

21 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H315Causes skin irritation.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • 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.
  • 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

Tioxazafen suppliers

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

All 4 suppliers
5 of 5 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

4 suppliers in 2 countries

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Tioxazafen 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
  • nematicide
  • pesticide

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 Tioxazafen is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Tioxazafen?

Tioxazafen is a 1,2,4-oxadizole in which the hydrogens at positions 3 and 5 have been replaced by phenyl and thiophen-2-yl groups, respectively. It is used as a broad spectrum nematicidal seed treatment. It has a role as a nematicide and an agrochemical. It is a member of thiophenes and a 1,2,4-oxadiazole.

What is the CAS number of Tioxazafen?

The CAS registry number of Tioxazafen is 330459-31-9.

What is the molecular formula and weight of Tioxazafen?

The molecular formula of Tioxazafen is C12H8N2OS and its molar mass is 228.28 g/mol.

What is Tioxazafen used for?

Known uses and roles of Tioxazafen include nematicides in agriculture and crop protection, agrochemical, nematicide and pesticide.

Is Tioxazafen hazardous?

Tioxazafen carries the GHS signal word "Warning". Main hazards: causes skin irritation, very toxic to aquatic life, very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Tioxazafen?

Tioxazafen is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Tioxazafen?

CompoundList lists 4 suppliers of Tioxazafen in United States and Netherlands. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Tioxazafen?

Suppliers quote Tioxazafen 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 Tioxazafen

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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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