Dazomet (C₅H₁₀N₂S₂) is a granular soil fumigant and broad-spectrum biocide widely used in agriculture and horticulture. Upon contact with moist soil, it decomposes to release methyl isothiocyanate (MITC), an active compound that controls soil-borne fungi, nematodes, insects, and weed seeds. Known for its effectiveness and ease of application, dazomet helps improve soil health and crop productivity before planting. Valued for its broad-spectrum activity, reliability, and consistent performance, it is extensively used in commercial farming, nurseries, and turf management applications.
| Property | Specification |
|---|---|
| Product Name | Dazomet |
| CAS No | 533-74-4 |
| Chemical Name/Synonyms | Dazomet; Tetrahydro-3,5-dimethyl-2H-1,3,5-thiadiazine-2-thione; DMTT |
| Chemical Formula | C₅H₁₀N₂S₂ |
| Appearance (Color) | White to off-white crystalline powder |
| Molecular Weight | 162.28 g/mol |
| HS Code | 2934.99 |
| TSCA Inventory | Active |
More identifiers
| |
| Property | Typical Classification |
|---|---|
| GHS Signal Word | Warning |
| GHS Pictograms | Exclamation mark (GHS07) |
| Environmental Hazard | Hazardous to the aquatic environment (GHS09; not part of the OSHA label) |
| UN Number | UN 3077 |
| Proper Shipping Name | Environmentally hazardous substance, solid, n.o.s. (dazomet) |
| Transport Hazard Class | 9 |
| Packing Group | III |
| Flash Point | 93 °C |
Typical U.S. classification for this product: label elements under OSHA’s Hazard Communication Standard (29 CFR 1910.1200) and transport under U.S. DOT (49 CFR 172.101), compiled from manufacturers’ safety data sheets and harmonised GHS classifications, checked October 2026. Environmental hazards are shown for information; the OSHA label does not cover them. Classification can differ by supplier, grade and concentration: the supplier’s U.S.-format SDS, sent with your quote, is the governing document.
Effectively eliminates a broad spectrum of bacteria, fungi, and algae.
Penetrates and breaks down complex biofilms in cooling systems and pipes.
Provides extended shelf-life protection for aqueous product formulations.
Prevents microbially induced corrosion (MIC) and maintains heat transfer efficiency.
Maintains biocidal efficacy across a wide range of industrial pH conditions.
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Consistent quality and international standards.
Bulk availability with on-time delivery.
Flexible packaging options as per requirement.
Technical guidance and dedicated customer support.
