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Sodium Dichloroisocyanurate (SDIC) for Fabric Finishing - Top China Suppliers & Factory

Sodium hypochlorite (SDIC), also known as sodium dichloroisocyanurate, is a highly effective cleaning agent and disinfectant widely utilized across various industries. This colorless granular solid boasts exceptional disinfection capabilities, making it an ideal choice for hygiene and sanitation. With its high solubility in water and long-lasting antiviral properties, SDIC stands out for its low toxicity, ensuring safety during use. As a leading product sourced from China, our SDIC is manufactured by reputable suppliers and factories dedicated to quality and performance. It is commonly used not only as a disinfectant but also as a fungicide, industrial deodorant, and detergent, making it a versatile solution for effective cleaning and disinfection. Choose our sodium hypochlorite for reliable and efficient sanitation in your facilities.

Product Details

Product Description

Alias: excellent chlorine net

Formula: C≡Cl₂ N≡N≡NaO₂

Molecular weight: 219.9462

CAS NO. : 2893-78-9

Specification:

Chemical Name	Sodium Dichloroisocyanurate
Available Chlorine Content	≥56% (Higher-content products (60%-62%) available)
Appearance	White powder, granules, 1g-200g Tablet
PH (1% solution)	Approximately 5.5-7.0, slightly acidic, making it more effective in disinfection.

Application

1. Pool and Spa Disinfection

As one of the top choices for pool disinfection, SDIC tablets slowly dissolve, continuously and steadily releasing chlorine, effectively maintaining residual chlorine levels in pool water, killing pathogens and algae in the water, and maintaining a clear, blue water.

2. Drinking Water Disinfection and Emergency Water Treatment

SDIC is approved for drinking water disinfection. It rapidly kills pathogenic microorganisms such as cholera and typhoid in water and is widely used in municipal water supply, emergency water supply in disaster areas, and personal outdoor drinking water safety.

3. Public Health and Medical Institution Disinfection

It is used to disinfect floors, walls, surfaces, and non-metallic medical devices in hospitals, schools, hotels, and public places.

5. Aquaculture and Agriculture

It is used for disinfecting aquaculture ponds, environmental disinfection of livestock and poultry houses, and fungal treatment of seeds.

Regular Packing

Packing: 25kg or 50kg plastic drum or cardboard drum, 1000kg plastic woven bag

Customer-specified Packaging

How To Use

Application Scenario	Recommended effective chlorine concentration	Usage instructions
Swimming pool water disinfection	1-3 ppm(Maintain concentration)	Use tablets and applicators to achieve continuous disinfection. Regularly test residual chlorine and maintain pH at 7.2-7.8.
Drinking water disinfection	0.5-2 ppm(Maintaining residual chlorine)	Must use "Drinking water grade" SDIC. Disinfection contact time is not less than 30 minutes, the residual chlorine in the end water must meet local standards (usually 0.3-0.5ppm).
General surface disinfection	500-1000 ppm	After diluting with the mother solution, spray or wipe the area for disinfection. Leave it on for 10-30 minutes, then rinse with clean water.
Public places/Hospital disinfection	1000-2000 ppm	Use in high-risk areas such as toilets, trash cans, and surfaces in patient rooms. The effect lasts 15-30 minutes.
Industrial circulating water sterilization and algae removal	Set according to system conditions	Control microbial and algae growth by continuously dosing powder or tablets through an automatic dosing pump.
Animal Husbandry/Aquatic disinfection	Depends on the specific purpose	It can be used for water disinfection (low concentration) or pond cleaning (high concentration), and must strictly follow the guidance of aquatic experts.

Concentration calculation formula (estimate):

Required SDIC mass (g) ≈ [Target concentration (ppm) × Water volume (L)] / (1000 × Available chlorine content%)

Example: To prepare 50 liters of a 1000 ppm stock solution, assume the SDIC has an available chlorine content of 56%.

Required SDIC mass ≈ (1000 × 50) / (1000 × 0.56) ≈ 89.3 g

Dissolving 89 g of SDIC powder in 50 liters of water yields a stock solution of approximately 1000 ppm.

Advantages

SDIC has become a widely used disinfectant worldwide due to its unparalleled advantages:

1. Highly effective and broad-spectrum bactericidal properties

2. Excellent stability and long shelf life

Stable solid form: Compared to liquid chlorine-containing disinfectants (such as sodium hypochlorite), SDIC is extremely stable in solid form, and its effective chlorine decays very slowly.

3. Excellent safety and ease of use

Good water solubility and clear solutions: SDIC dissolves quickly and completely in water, resulting in relatively clear solutions with minimal residue and sediment, eliminating the risk of clogging spray equipment.

Storage Method

Aspect	Best Practices	Things to avoid
Environment	Cool, dry and ventilated place	High temperature, high humidity, and direct sunlight
Package	Original sealed packaging, sealed immediately after taking out	Store in open storage, use damaged packaging
Isolation	Separate area storage	Mixed with acids, reducing agents, and flammable materials
Shelf life	Under ideal conditions, it can be 24 months	In severe conditions this may be shortened to several months

Frequently Asked Questions

Q1: Why is the water cloudy after dissolving SDIC?

A: This is normal. The turbidity is primarily due to the fillers and trace insoluble matter in SDIC. These will float or settle after standing. The supernatant is the effective disinfectant and can be used normally.

Q2: Is SDIC solution corrosive to metals?

A: Yes. Although less corrosive than trichloroisocyanuric acid, chlorine solutions are still corrosive to metals (especially iron, aluminum, and copper). It is recommended to wipe the metal surface with clean water after disinfection.

Q3: How should unused SDIC be stored?

A: Store in a cool, dry, well-ventilated place. The packaging must be sealed and moisture-proof. Keep away from sources of fire, heat, and flammable materials.

Q4: How should leaked or spilled SDIC be handled?

A: Small spills: Rinse with plenty of water. Collected rinse water can be disposed of as disinfectant waste. Large spills: Wear personal protective equipment and collect the spill in a dry container with a plastic shovel for recycling.

Q5: Can SDIC be mixed with other cleaning or chemical agents?

A: No. SDIC should never be mixed directly with acids, ammonia, reducing agents, or flammable materials, as this can trigger hazardous chemical reactions and release toxic chlorine gas.

Q6: What makes SDIC superior to traditional liquid sodium hypochlorite?

A: SDIC offers significantly greater storage stability with an extended shelf life of up to 24 months, easier and safer transportation in solid form, precise dosing capabilities, and reduced degradation compared to liquid bleach solutions.