Chlorine Tablets

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Chlorine Tablets are solid, compressed forms of chlorine-releasing compounds, typically composed of stabilized trichloroisocyanuric acid (TCCA) or sodium dichloroisocyanurate (SDIC). These tablets are used primarily for water disinfection and sanitation due to their controlled and sustained release of chlorine. They appear as white to off-white, hard tablets with a mild chlorine odor. Chlorine Tablets are widely used in swimming pools, drinking water treatment, wastewater treatment, and industrial sanitization processes. Their slow dissolution ensures prolonged antimicrobial activity, providing effective control against bacteria, viruses, algae, and other pathogens.

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Category: Disinfectants and Biocides Tags: Chlorine sanitizer, Chlorine tablets, Disinfectant tablets, Sanitizing tablets, Wastewater treatment, Water treatment tablets

Description

Table of Contents

Chlorine Tablets Uses

Primary Uses

Water Treatment & Sanitation

Used extensively in swimming pools, spas, and hot tubs for maintaining hygienic water conditions by disinfecting and controlling microbial growth.
Applied in municipal drinking water treatment for pathogen inactivation and to ensure potable water safety.
Utilized in wastewater treatment plants to reduce microbial contamination before discharge or reuse.

Industrial & Commercial Cleaning

Employed in sanitizing cooling towers, food processing equipment, and industrial water systems.
Used in commercial and institutional cleaning for surface disinfection.

Secondary Uses

Agriculture

Used for disinfecting irrigation water and agricultural facilities to prevent spread of pathogens.

Healthcare

Applied in hospital and laboratory settings for disinfecting surfaces and equipment.

Emergency & Disaster Relief

Used for emergency water purification in disaster relief operations due to ease of transport and application.

PRODUCT KEY FEATURES

Basic Identification Attributes

Chemical Name (IUPAC): Trichloroisocyanuric acid or Sodium dichloroisocyanurate (depending on tablet composition)
Common/Trade Name: Chlorine Tablets, Pool Chlorine Tablets, Disinfection Tablets
CAS Number:
- TCCA: 87-90-1
- SDIC: 2893-78-9
HS Code: 2933.39.00
Molecular Formula:
- TCCA: C3Cl3N3O3
- SDIC: C3Cl2N3NaO3
Synonyms:
- Stabilized chlorine tablets
- Slow-release chlorine tablets

Physical & Chemical Properties

Physical State: Solid tablets
Color & Odor: White to off-white; mild chlorine odor
Melting Point: Decomposes at ~225°C (TCCA)
Solubility: Soluble in water, releasing chlorine gradually
Density: Approx. 1.7 – 1.9 g/cm³
Stability: Stable under dry conditions; decomposes with moisture or heat releasing chlorine gas

Safety & Hazard Attributes

Hazard Class (GHS): Oxidizing solid; corrosive; harmful if swallowed or inhaled
NFPA Ratings:
- Health: 3
- Flammability: 0
- Reactivity: 2
Exposure Limits: Avoid inhalation of dust or fumes; use in well-ventilated areas
Toxicity: Toxic by ingestion and inhalation; corrosive to skin and eyes
Reactivity: Reacts violently with acids, bases, and combustible materials

Storage & Handling Attributes

Storage Conditions: Store in a cool, dry, well-ventilated area away from incompatible substances (organic materials, acids)
Container Type: Sealed plastic or metal containers with moisture barriers
Shelf Life: Typically 1-3 years if stored properly
Special Handling: Use gloves, eye protection, and respiratory protection when handling; avoid dust generation

Regulatory & Compliance Attributes

FDA Status: Approved as a disinfectant and sanitizer for water treatment
REACH Status: Registered
Transportation: Classified as oxidizing solid, corrosive material; regulated under ADR, IATA, IMDG
Waste Disposal: Dispose as hazardous waste; do not release into environment untreated

Environmental & Health Impact

Ecotoxicity: Toxic to aquatic life; avoid environmental release
Persistence: Chlorine decomposes rapidly; no persistent residues
Bioaccumulation: Not expected to bioaccumulate
Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic

Biodegradability: Not applicable; chlorine acts as disinfectant and decomposes

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE: Wear chemical-resistant gloves, goggles, and mask/respirator when handling tablets
Handling: Avoid inhaling dust or fumes; handle in well-ventilated areas
Storage: Keep containers tightly closed; store separately from incompatible materials such as acids or organics
Hygiene: Wash hands after handling; avoid eating or drinking during handling

First Aid Measures

Inhalation: Move to fresh air; seek medical attention if breathing difficulty occurs
Skin Contact: Rinse affected area with water for at least 15 minutes; seek medical attention if irritation persists
Eye Contact: Flush eyes with plenty of water for 15 minutes; seek immediate medical help
Ingestion: Do not induce vomiting; rinse mouth and seek immediate medical attention

Firefighting Measures

Fire Hazards: Strong oxidizer; can accelerate combustion of other materials
Extinguishing Media: Use water spray, foam, or dry chemical extinguishers; avoid dry powders that may react
Special Precautions: Firefighters should wear full protective gear and self-contained breathing apparatus

Decomposition Products: Chlorine gas, nitrogen oxides, and other toxic gases