SoleChem

Sodium dichloroisocyanurate

CAS
2893-78-9
EC
220-680-0
Mol. Weight
219.94 g/mol

Description

Sodium dichloroisocyanurate (CAS 2893-78-9), commonly known as NaDCC or troclosene sodium, is a chlorine-releasing compound used across industrial and municipal sectors as a disinfectant, biocide, and bleaching agent.

It delivers controlled, stable active chlorine in solid form, making it a practical alternative to liquid chlorine systems where handling and dosing precision matter for large-scale operations.

In water treatment, NaDCC is used to disinfect drinking water, swimming pools, and wastewater streams, where its consistent chlorine release allows accurate dosing at scale for safety and compliance.

Food processing facilities rely on it for surface sanitation and equipment disinfection, meeting hygiene standards without the corrosion risks associated with traditional hypochlorite solutions.

In textile and paper manufacturing, it functions as a bleaching agent to whiten fibers and pulp without the process instability of gaseous chlorine, ensuring a more controlled production environment.

Personal care formulators incorporate it into effervescent disinfectant tablets and antiseptic products where a stable, dry chlorine source is required for long-term shelf stability and efficacy.

Sodium dichloroisocyanurate is supplied as a white powder, granules, or compressed tablets, with granule size and tablet weight customized to specific industrial application requirements.

Standard grades include technical, food-grade, and potable water treatment specifications, with active chlorine content typically around 60–62% for bulk bags, drums, and smaller packaged formats.

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Physical Properties

Melting Point 225°C
Density 1 g/cm³
Appearance white crystalline powder
Color White to Almost white
Form powder to lump
Water Solubility 30g/100ml (25 ºC)
Vapor Pressure 0.006Pa at 20℃

Safety & Handling (Learn More)

Danger GHS03 GHS07 GHS09 GHS05 GHS08
Hazard Statements
H272 May intensify fire; oxidizer
H302 Harmful if swallowed
H314 Causes severe skin burns and eye damage
H315 Causes skin irritation
H318 Causes serious eye damage
H319 Causes serious eye irritation
H332 Harmful if inhaled
H335 May cause respiratory irritation
H371 May cause damage to organs
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects
Precautionary Statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P220 Keep away from clothing and other combustible materials.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P316 Get emergency medical help immediately.
P317 Get emergency medical help.
P319 Get medical advice/attention if you feel unwell.
P321 Specific treatment (see … on this label).
P330 Rinse mouth.
P363 Wash contaminated clothing before reuse.
P391 Collect spillage.
P405 Store locked up.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P301+P317 Get emergency medical help.
P302+P352 IF ON SKIN: Wash with plenty of water.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P308+P316 Get emergency medical help immediately.
P332+P317 Get emergency medical help.
P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P370+P378 Use … for extinction.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P301+P330+P331 Rinse mouth. Do NOT induce vomiting.
P302+P361+P354 IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code 29336929
UN Number 2465
ADR Class 5.1
Packing Group II
Storage Class 4.1A - Other explosive hazardous materials
WGK (Germany) 2

Documentation

Other Names

Troclosene sodium|Sodium 1,5-dichloro-4,6-dioxo-1,3,5-triazin-2-olate|NaDCC

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