Sodium Dichloroisocyanurate Dihydrate(SDIC Dihydrate)
Features: Chlorine content,%: ≥56, ≥60
PH Value: 5.5-7.0
Specifications: Powder, Granule (8-30mesh, 20-60mesh),
Tablets (20g, 5g, 1g). Size of granular and tablets can be customized.
CAS No: 2893-78-9
MF:C3O3N3CL2Na
HS Code: 2933692910
Product Feature
Sodium Dichloroisocyanurate Dihydrate (SDIC·2H₂O) is a highly efficient, broad-spectrum, and stable chlorine-based disinfectant. It contains 55–57% available chlorine and dissolves rapidly in water to release hypochlorous acid, providing strong and long-lasting sterilizing power. The product is available in powder, granular, and tablet forms, offering flexibility for different application requirements. It exhibits excellent solubility, mild pH (5.5–7.0), and good stability during storage. Unlike traditional chlorine disinfectants, SDIC Dihydrate produces minimal odor and residue, ensuring safe handling and no harm to humans or animals when used as directed. It maintains consistent disinfection performance under various environmental conditions and enjoys a strong reputation in domestic and international markets for its reliability and effectiveness.
Performance Parameter
| Sodium Dichloroisocyanurate Dihydrate (SDIC Dihydrate) | |
| C3O3N3Cl2Na·2H2O | |
| Uses | As a kind of disinfectant, it can sterilize drinking water, swimming pool, tableware and air, light against infectious diseases as routine disinfection, preventive disinfection and environmental sterilization in different places, act as disinfectant in raising silkworm, livestock, poultry and fish, and also can be used to prevent wool from shrinkage, bleach the textile and clean the industrial circulating water. The product has high efficiency and constant performance and has no harm to human beings. It enjoys good reputation both at home and abroad. |
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| White powder, granular, or flake | |
| Style: | POWDER, Granule, Tablet |
| Molecular weight: | 255.98 |
| Effective Cl: | 55.0%-57.0% |
| Moisture content: | 10.0%-14.0% |
| Solubility (25°C): | 25g/100g water |
| Ph 1% solution: | 5.5-7.0 |
| UN No.: | 3077 |
| Turbidity (NTU): | ≤40 |
| CAS No.: | 51580-86-0 |
| Granular: | 8-30mesh, 20-60 mesh (or decided by customer) |
| Tablet: | 1g, 5g, 15g, 50g, 100g (or decided by customer) |
Packing
Main Application
Sodium Dichloroisocyanurate Dihydrate is widely used as a disinfectant, sanitizer, and bleaching agent across multiple industries.
It is commonly applied for sterilizing drinking water, swimming pools, and tableware, as well as for air disinfection and environmental sanitation in hospitals, hotels, restaurants, and public facilities. In the agricultural and aquaculture sectors, it is used to disinfect livestock pens, poultry houses, fish ponds, and silkworm cultivation environments. Additionally, SDIC Dihydrate is utilized in textile bleaching, industrial circulating water treatment, and wool shrinkage prevention. Thanks to its broad germicidal spectrum, stable chlorine release, and non-toxic nature, it serves as a versatile, safe, and efficient disinfectant suitable for both routine preventive disinfection and emergency sterilization in various fields.
Faqs
A crystalline solid disinfectant with 55-60% available chlorine, appearing as white needle-like crystals or powder. It has good solubility, stable bactericidal effect, milder activity than anhydrous SDIC, suitable for precise dosage scenarios.
- Daily water disinfection (household drinking water, small pools); 2. Food industry (equipment, tableware, fruits/vegetables); 3. Public health (kindergartens, nursing homes); 4. Aquaculture (small fish ponds, fish tanks); 5. Daily hygiene (hand sanitizers, surface disinfectants).
- Physical form: Crystalline powder, granular crystal; 2. Purity grade: Food-grade, industrial-grade; 3. Dosage form: Pure product, compound preparation.
- Drinking water: 1g/1000L, stand 20-30min (residual chlorine 0.2-0.4mg/L); 2. Tableware: 2g/10L water, soak 15min, rinse; 3. Fruits/vegetables: 1g/5L water, soak 10min, rinse; 4. Small pools: 8-10g/10m³ water (residual chlorine 0.4-0.8mg/L).
- Cool, dry, ventilated place (≤25℃); 2. Sealed to prevent moisture and caking; 3. Store separately from acids, ammonia, organics; 4. Keep away from children, pets, food.
: 1. React cyanuric acid + sodium hydroxide + chlorine (low temperature); 2. Cool crystallization + filtration; 3. Wash + low-temperature drying (≤60℃); 4. Form into powder/granules, inspect, package.
1. Wear gloves; rinse with water for 10-15min if contact with skin/eyes; 2. Do not mix with acids/ammonia; 3. Avoid excessive dosage; rinse food contact surfaces; 4. Dilute waste before discharge; 5. Keep away from high temperature/open flames.
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