Dazomet with CAS 533-74-4
What is Dazomet?
Dazomet (IUPAC: 3,5-dimethyl-1,3,5-thiadiazinane-2-thione; also known as DMTT) is a highly effective broad-spectrum soil fumigant and biocide with CAS number 533-74-4.When incorporated into moist soil, Dazomet decomposes to release methyl isothiocyanate (MITC), the active fumigant gas, alongside formaldehyde and hydrogen sulfide. This mechanism delivers powerful control over multiple soil-borne threats simultaneously.
As a pre-plant soil treatment, Dazomet is particularly valued in high-value horticulture, protected cultivation (greenhouses), and nursery production where soil health is critical to yield and crop quality.
Runtai Chemical is a professional and reliable China manufacturer of Dazomet with CAS 533-74-4 with higher purity and lower price. If you are interested in our Dazomet, PLS free to contact us for a free sample!
Product Advantages
- Broad-Spectrum Efficacy: Controls nematodes, soil-borne fungi (Fusarium, Pythium, Rhizoctonia), soil insects, wireworms, and weed seeds simultaneously with a single application.
- No Harmful Residues: Dazomet completely decomposes in soil within 2–4 weeks under proper conditions, leaving no persistent toxic residues.
- Methyl Bromide Alternative: Dazomet serves as a proven, effective alternative to methyl bromide, making it an essential tool in compliant, sustainable soil management programs globally.
- Flexible Supply & Packaging: Available in 1 kg retail and 20 kg bulk bags. Runtai Chemical offers OEM/private label, custom packaging.
Dazomet Quick details
- Chemical Name: Dazomet
- CAS No.:533-74-4
- EINECS: 208-576-7
- Molecular Formula: C5H10N2S2
- Molecular weight:162.28
- Assay: 98%min
- Appearance: Off-white to ivory white granule
- Synonyms:5-thiadiazine-2-thione,tetrahydro-3,5-dimethyl-2h-3;Amerstat 233;Basamid g;Basamid p;Basamide;basamidg;Basamid-granular;basamidp
Dazomet Typical Properties
| Item | Specification | Results |
| Appearance | Off-white to ivory white granule | Off-white granule |
| Content | 98% min (HPLC) | 98.89% |
| Moisture | 0.3% max | 0.20% |
| PH value | 6.0-8.0 | 6.7 |
| Bulk density(g/ml) | 0.58-0.62 | 0.62 |
| Particle size range（100um-600um），% | 85%min | 95% |
| Abscission rate | 3.0%max | Conforms |
| Dust | Basically no dust | Conforms |
| Wear resistance | 95%min | 97% |
| Hot storage stability | Pass | Conforms |
| Conclusion | The results conforms with enterprise standards | |
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Dazomet Applications
- Vegetable & Fruit Production: Pre-plant soil fumigation in open-field and protected vegetable cultivation to eliminate soil-borne pathogens and nematodes that reduce yield.
- Greenhouse & Protected Cultivation: Highly effective between crop cycles in greenhouses where intensive soil use leads to pathogen and pest build-up. Restores soil health for replanting.
- Tree Crops & Orchard Replanting: Critical for replant disease management in orchards where replanting in old orchard sites causes severe growth suppression due to legacy pathogens.
- Turf, Golf & Landscaping: Used in sports turf renovation, golf course green reconstruction, and landscaping projects to control weed seeds and soil-borne diseases before turfgrass establishment.
- Forestry & Seedling Nurseries: Soil treatment in bare-root and container nurseries to control damping-off pathogens and weed competition in seedling production beds.
- Industrial Wood Treatment: Applied as a biocide and slimicide in industrial processes, including wood chip piles, cooling towers, and industrial water systems to control microbial growth.
Dazomet Package & Storage
- Package: 20kg /bag 400kg/bag
- Storage: Store in a cool place and keep it sealed to avoid direct sunlight.
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