Molekula
Thiophanate Methyl
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Thiophanate Methyl is a systemic fungicide belonging to the benzimidazole class, widely used in agriculture to control fungal diseases on crops such as wheat, rice, fruits, and vegetables. It works by inhibiting fungal mitosis, preventing spore germination and mycelial growth. This chemical has a CAS number of 23564-05-8, with a molecular formula of C12H14N4O4S2 and a molecular weight of 342.4 g/mol. It is stored at ambient temperatures and carries a signal word of "Danger" due to its hazardous properties. Molekula supplies Thiophanate Methyl from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| pH | 5 - 8 |
| Loss on Drying | ≤ 0.5% |
| Assay | ≥ 97% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Colorless crystals |
| Melting Point | 172 °C (decomposes) |
| Solubility (other solvents) | Thiophanate methyl is slightly soluble in most organic solvents... |
| Vapour Pressure | 7.13 × 10⁻⁸ mmHg at 25 °C |
| pKa | pKa = 7.28 |
| log P (octanol/water) | 1.40 |
Source: PubChem CID 3032791 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 90038407 |
| CAS Number | 23564-05-8 |
| IUPAC Name | methyl N-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate |
| EC Number | 245-740-7 |
| Molecular Formula | C12H14N4O4S2 |
| Molecular Weight | 342.4 |
| Exact Mass | 342.0456 |
| SMILES | COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC |
| InChIKey | QGHREAKMXXNCOA-UHFFFAOYSA-N |
| InChI | InChI=1S/C12H14N4O4S2/c1-19-11(17)15-9(21)13-7-5-3-4-6-8(7)14-10(22)16-12(18)20-2/h3-6H,1-2H3,(H2,13,15,17,21)(H2,14,16,18,22) |
| PubChem CID | 3032791 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| HTS Code | 3808.92.1500 |
| Tariff Code | 3808929000 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H317 May cause an allergic skin reaction
- H332 Harmful if inhaled
- H341 Suspected of causing genetic defects
- H351 Suspected of causing cancer
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 Wear respiratory protection
- P302+P352 IF ON SKIN: Wash with soap and water
- P391 Collect spillage
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Caligran
- Cercobin methyl
- Fungo
- Methyl topsin
- Methylthiofanate
- Methylthiophanate
- Mildothane
- Neotopsin
- Thiophanate M
- Topsin Methyl
Frequently asked questions
What is Thiophanate Methyl primarily used for?
Thiophanate Methyl is primarily used as a systemic fungicide to control fungal diseases in a variety of crops, including fruits, vegetables, and cereals.
What is the chemical formula and molecular weight of Thiophanate Methyl?
The chemical formula is **C₁₂H₁₄N₄O₄S₂**, and the molecular weight is **342.4 g/mol**.
What safety classification does Thiophanate Methyl have, and how should it be stored?
Thiophanate Methyl is classified with the **signal word 'Danger'** and should be stored at **ambient conditions** in a cool, dry place away from incompatible substances.
What grades or purity levels of Thiophanate Methyl does Molekula supply?
Molekula supplies **technical-grade Thiophanate Methyl** (typically 95-98% purity) for industrial and agricultural applications.
Can Molekula supply Thiophanate Methyl in bulk quantities?
Yes, Molekula can supply Thiophanate Methyl in **bulk quantities**, with flexible packaging options (e.g., drums, bags) based on customer requirements.
What documentation is provided with an order of Thiophanate Methyl?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
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