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Antibiotics and anti-infectives

Thiabendazole

Also known as Tiabendazole, Mintezol, 2-(4-Thiazolyl)benzimidazole

CAS 148-79-8Formula C10H7N3SMolar mass 201.25 g/molEC 205-725-8
GHS signal word: Warning. Pictograms: Hazardous to the environment 127 suppliers listed Drug substance
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Thiabendazole chemical structure, C10H7N3S, CAS 148-79-8
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless crystals
Melting point
304 to 305
Density
Amber liquid, density: 1.103 at 25 °C /Thiabendazole hypophosphite/
Solubility
Max solubility in water at pH 2.2: 3.84%, slightly sol in alcohols, esters, chlorinated…
HS code
293410
Category
Antibiotics and anti-infectives
UN number
UN 3077
Illustrative photo, colourless crystals in an open fibre drum in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Thiabendazole?

Plain description, key identifiers and synonyms

Thiabendazole is a member of the class of benzimidazoles carrying a 1,3-thiazol-4-yl substituent at position 2. A mainly post-harvest fungicide used to control a wide range of diseases including Aspergillus, Botrytis, Cladosporium and Fusarium. It has a role as an antinematodal drug and an antifungal agrochemical. It is a member of benzimidazoles, a member of 1,3-thiazoles and a benzimidazole fungicide. It derives from a hydride of a 1H-benzimidazole.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-(1H-benzimidazol-2-yl)-1,3-thiazole
CAS number
148-79-8 CAS number cross-checkedOther or deprecated CAS: 98002-42-7
EC number
205-725-8
Molecular formula
C10H7N3S
UNII
N1Q45E87DT
MDL number
MFCD00005587
INCI name
THIABENDAZOLE
InChIKey
WJCNZQLZVWNLKY-UHFFFAOYSA-N
InChI
InChI=1S/C10H7N3S/c1-2-4-8-7(3-1)12-10(13-8)9-5-14-6-11-9/h1-6H,(H,12,13)
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)NC(=N2)C3=CSC=N3

Synonyms

  • Tiabendazole
  • Mintezol
  • 2-(4-Thiazolyl)benzimidazole
  • Omnizole
  • Minzolum
  • Lombristop
  • Thiabenzole
  • Thibenzole
  • Tiabendazol
  • Equizole
  • Bovizole
  • Mintesol
  • Nemapan
  • Thiabendazol
  • Eprofil
  • Mertect
  • Thiaben
  • Thibenzol
  • Triasox
  • 2-(4-Thiazolyl)-1H-benzimidazole
  • Bioguard
  • Pitrizet
  • Tebuzate
  • Tiabenda
  • Mertec
Show all 39 synonyms
  • Mycozol
  • Polival
  • Storite
  • Testo
  • Tobaz
  • Tbdz
  • Thibenzole att
  • Top Form Wormer
  • APL-luster
  • Thibendole
  • Cropasal
  • Ormogal
  • Sistesan
  • Thibenzole 200

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

Appearance
Colorless crystalsexp.
Odour
Odorlessexp.
Taste
Tastelessexp.
Melting point
304 to 305exp.
Density
Amber liquid, density: 1.103 at 25 °C /Thiabendazole hypophosphite/exp.
Solubility
Max solubility in water at pH 2.2: 3.84%, slightly sol in alcohols, esters, chlorinated hydrocarbonsexp.
Vapour pressure
4 × 10⁻⁹ mm Hg at 25 °Cexp.

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
201.25 g/molcalc.
Exact mass
201.0361 Dacalc.
LogP (octanol/water)
2.69calc.
Topological polar surface area
41.57 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
14calc.
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, c1ccc2[nH]c(-c3cscn3)nc2c1

c1ccc2[nH]c(-c3cscn3)nc2c1

3 rings, 14 atoms. This chemical is the scaffold itself.

59 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (3)
  • P273Avoid release to the environment.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 3077

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

Thiabendazole suppliers

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

All 127 suppliers
30 of 30 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

127 suppliers in 22 countries

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Thiabendazole 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

Fungicide for spoilage control of citrus fruit, for treatment of dutch elm disease in trees, for control of fungal diseases of seed potatoes.

Agricultural fungicide.

Fungicide.

Use classes: Cosmetics, Fungicides, Pesticides, Animal Drugs.

Cosmetic ingredient, INCI name THIABENDAZOLE(antimicrobial)

Pharmacological actions

  • Anthelmintics

Roles

  • agrochemical
  • anthelminthic drug
  • antifungal agent
  • antifungal agrochemical
  • antiinfective agent
  • antimicrobial agent
  • antinematodal drug
  • antiparasitic agent
  • fungicide
  • nematicide
  • pesticide
  • pharmaceutical

Functional uses

  • Biocide
  • Processing aids not otherwise specified

Cosmetic functions

  • Antimicrobial

Pharmacology

Thiabendazole is an Anthelmintic.

How it is made

Thiabendazole is produced by heating thiazoly-2-formamide with o-phenylenediamine in the presence of polyphosphoric acid.

Prepared by reaction of 4-thiazolecarboxamide with o-phenylenediamine in polyphosphoric acid.

L. H. Sarett, H. D. Brown, US 3017415 (1962 to Merck & Company)

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 613-054-00-0

Health and food

  • EU cosmetic ingredient inventory
  • Active ingredient in FDA approved drug labels

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Thiabendazole is traded under.

HS 2934.10Indicative HS code

Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the…

World exports in 2024
$3.88B
−16.1% vs 2023, imports $3.12B
2019 to 2024
Top exporters
  1. Switzerland * partner reported36.4%
  2. Ireland28.8%
  3. China10.0%
Top importers
  1. Canada33.4%
  2. United States14.4%
  3. Ireland13.1%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Thiabendazole?

Thiabendazole is a member of the class of benzimidazoles carrying a 1,3-thiazol-4-yl substituent at position 2. A mainly post-harvest fungicide used to control a wide range of diseases including Aspergillus, Botrytis, Cladosporium and Fusarium. It has a role as an antinematodal drug and an antifungal agrochemical.

What is the CAS number of Thiabendazole?

The CAS registry number of Thiabendazole is 148-79-8. Other or deprecated CAS numbers: 98002-42-7.

What is the molecular formula and weight of Thiabendazole?

The molecular formula of Thiabendazole is C10H7N3S and its molar mass is 201.25 g/mol.

What is Thiabendazole used for?

Fungicide for spoilage control of citrus fruit, for treatment of dutch elm disease in trees, for control of fungal diseases of seed potatoes. Agricultural fungicide. Fungicide. Use classes: Cosmetics, Fungicides, Pesticides, Animal Drugs.

Is Thiabendazole hazardous?

Thiabendazole carries the GHS signal word "Warning". Main hazards: 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 Thiabendazole?

Thiabendazole is usually classified under HS code 293410 (Compounds containing an unfused thiazole ring (whether or not hydrogenated) in the…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Thiabendazole?

CompoundList lists 127 suppliers of Thiabendazole in United States, China, Germany, United Kingdom and 18 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Thiabendazole in India?

4 suppliers in India list Thiabendazole on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Thiabendazole?

Suppliers quote Thiabendazole 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 Thiabendazole

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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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