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Dimethyltin dichloride (DMTC) is a dialkyltin(IV) compound produced as a white crystalline solid Used in inhibitors glass coatings stabilizers and catalysts
| Product Name | Dimethyltin Dichloride | Synonyms | DMTC,Dichlorodimethylstannane |
|---|---|---|---|
| CAS | 753-73-1 | MF | C2H6Cl2Sn |
| Color | White Crystalline Solid | Content(%) | 99.0 |
| Application | Inhibitors, Glass Coatings Stabilizers And Catalysts |
Dimethyltin dichloride (DMTC) is the lowest-reactivity dialkyltin dichloride, enabling controlled, cyclization-suppressed polymerization where higher homologs (e.g., dibutyltin dichloride) would drive runaway chain propagation. It also serves as the critical intermediate for methyltin mercaptide PVC heat stabilizers specified in potable-water piping and transparent food-contact packaging.
Specification of Zinc Hydroxystannate(ZHS)
| Item | Specification |
| Appearance | White fine powder |
| Sn(%) | 40.0~43.0 |
| Zn(%) | 22.0~25.0 |
| Moisture (Volatile Loss)(%) | ≤1.50 |
| Average Particle Size (D50) | 3.0~5.0 μm |
- Smoke Suppression: Significantly reduces smoke emission and smoke density compared to antimony trioxide.
- Flame Retardancy: Reduces the rate of heat release and total heat release; improves Limiting Oxygen Index (LOI); increases time to ignition; and suppresses burning drips.
- Char Formation: The tin component catalyzes the formation of a carbonaceous char (tin-carbon bonds) which acts as a barrier between the fire and the polymer.
- Endothermic Cooling: Releases water of hydration (~19% by weight) upon heating, cooling the fire and diluting oxygen.
- Synergistic Effect: Excellent synergy with halogenated and halogen-free systems (e.g., ATH, MDH) and can completely replace antimony trioxide in many formulations.
- Low Toxicity: Non-toxic, no risk phrases, and safer handling compared to antimony trioxide.
- Flame Retardant: High-efficiency, halogen-free flame retardant and smoke suppressant, particularly suitable for PVC, cable compounds, rubber, and engineering plastics (e.g., Nylon, Polyester, Epoxy).
- Synergist: Exhibits good flame retardant synergy with Alumina Trihydrate (ATH) and Magnesium Hydroxide (MDH).
Packed in plastic drums 25 KGS net each.
Keep in a cool, dry, and well-ventilated area. Avoid exposure to moisture. The shelf life is 24 months.
FAQ
Q1: What is your regular lead time for sample and official order?
A1: Sample lead time 3 days. Official order lead time 7-14 days.
Q2: What is your MOQ?
A2: MOQ usually is 1kg.
Q3: How you control product quality?
A3: From raw material inspection, dupro inspection to final product inspection are executed strictly.
Q4: What is your warranty policy?
A4: We will send you a new batch if there is any quality issue during warranty time
Q5: Do you refund if customer receive defective product and do not accept replacement?
A5: Yes

