Thiabendazole
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. — ChEBI
Safety documents & references
1 indexed referencesFind a product-specific SDS
Safety guides and government classification records are not a manufacturer’s SDS. Match supplier, product number, concentration, physical form, region and revision before using a document.
Identity & molecular properties
Source-linked values| CAS number | 148-79-8 | ChEBI ↗ |
| Molecular formula | C10H7N3S | ChEBI ↗ |
| Molar mass | 201.254 g/mol | ChEBI ↗ |
| Monoisotopic mass | 201.03607 Da | ChEBI ↗ |
| Formal charge | 0 | ChEBI ↗ |
| ChEBI identifier | CHEBI:45979 | ChEBI ↗ |
Cross-source molecular data
PubChem| Molar mass | 201.25 g/mol | PubChem ↗ |
| Exact mass | 201.03606841 Da | PubChem ↗ |
| Computed XLogP | 2.5 | PubChem ↗ |
| Topological polar surface area (Ų) | 69.8 | PubChem ↗ |
| H-bond donors | 1 | PubChem ↗ |
| H-bond acceptors | 3 | PubChem ↗ |
| Rotatable bonds | 1 | PubChem ↗ |
PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.
Names & structural identifiers
Copy any identifierthiabendazole2-(1,3-thiazol-4-yl)-1H-benzimidazoleWJCNZQLZVWNLKY-UHFFFAOYSA-Nc1ccc2nc(-c3cscn3)nc2c1InChI=1S/C10H7N3S/c1-2-4-8-7(3-1)12-10(13-8)9-5-14-6-11-9/h1-6H,(H,12,13)Names & synonyms
Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.
Classification & relationships
ChEBI ontologyRoles recorded in ChEBI
Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.
Safety classification · Japan
NITE / Japanese government2-(1,3-Thiazol-4-yl)-1H-benzoimidazole · 2-055
| Endpoint | Reported classification |
|---|---|
| Reproductive toxicity | Category 1B |
| Specific target organ toxicity - Single exposure | Category 1 (kidney) |
| Specific target organ toxicity - Repeated exposure | Category 2 (kidney, thyroid, hematopoietic system) |
| Hazardous to the aquatic environment （Acute） | Category 1 |
| Hazardous to the aquatic environment （Long-term） | Category 1 |
Selected source-reported endpoints. Other endpoints, rationales and conditions remain in the original classification. Missing or unlisted information does not mean non-hazardous. This is not a global classification or transport decision.
Read the original NITE classificationMass ↔ amount of substance
Calculated from sourced massUses 201.254 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.
Elemental composition
Theoretical mass fractionsCNSHCalculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.
Research & patent references
Selected source associationsSources & record history
Checked 27 Sep 2026Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0
PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.