Sodium Hypochlorite
Sodium Hypochlorite Producer
Sodium Hypochlorite (NaOCl), commonly known as liquid bleach or liquid chlorine, is the world’s most widely used disinfectant and oxidizing agent. From municipal drinking water treatment and pool sanitation to industrial bleaching and surface disinfection, it is the chemical backbone of public health infrastructure across the globe. With more than 75 years of experience as a pioneering innovator, Alexander Chemical both produces and delivers premium Sodium Hypochlorite with expert technical guidance and reliable bulk delivery services. Safety and compliance are our top priorities.
Key Characteristics of Sodium Hypochlorite
Chemical Properties
- Sodium Hypochlorite Formula: NaOCl
- Appearance: Pale yellow-green liquid
- Odor: Characteristic chlorine/bleach odor
- Solubility: Miscible with water
- pH (solution): Strongly alkaline (pH 11–13; stabilized with excess NaOH)
- Common Concentrations: 5–9% (household bleach); 10–15% (industrial); up to 20% (high-strength)
Storage & Handling Requirements
- Store in HDPE, fiberglass, or rubber-lined tanks; avoid metal contact
- Cool, dark storage required — degrades with heat, light, and time
- Never mix with acids (releases Cl₂ gas) or ammonia (forms toxic chloramines)
Sodium Hypochlorite is a hazardous material. A powerful oxidizer — reacts violently with acids to release toxic chlorine gas, and with ammonia to form toxic chloramines. Reacts with organics and reducing agents, potentially producing heat, fire, or toxic byproducts. Mishandling can lead to serious safety and environmental risks. Always rely on certified professionals for storage, handling, and transportation.
What are the Uses of Sodium Hypochlorite?
Sodium Hypochlorite is the most widely applied disinfectant and bleaching agent in the world, essential to municipal water treatment, industrial sanitation, and public health infrastructure across every continent.
Municipal Water Disinfection
The primary industrial application of sodium hypochlorite is as a disinfectant in municipal drinking water treatment. Added at carefully controlled concentrations, it kills bacteria, viruses, and other pathogens, producing safe drinking water that meets regulatory standards. It also maintains a disinfectant residual throughout distribution systems to protect against recontamination.
Wastewater Treatment
Sodium hypochlorite is used in wastewater treatment for disinfection of secondary and tertiary effluent prior to discharge, ensuring that treated water meets strict pathogen-reduction standards. It is also used for odor control in wastewater collection systems.
Pool & Recreational Water Sanitation
Liquid sodium hypochlorite is one of the most widely used sanitizers for swimming pools, water parks, and recreational water facilities, providing reliable, controllable chlorination to protect bathers from waterborne pathogens.
Industrial Bleaching
Sodium hypochlorite is used as a bleaching agent in the textile and paper industries for whitening fabric, fiber, and pulp. It is the basis of laundry bleach and is used in food processing facilities for surface sanitation and equipment cleaning.
Healthcare & Surface Disinfection
Diluted sodium hypochlorite solutions are widely used as surface disinfectants in healthcare settings, food preparation environments, and institutional facilities. They are effective against a broad spectrum of bacteria, viruses, and fungi, including many of the most dangerous pathogens.
Bulk Sodium Hypochlorite Delivery & Support Services
The professionals at Alexander Chemical bring decades of experience and expertise to managing Sodium Hypochlorite with precision and care. We produce, supply, and deliver to municipal utilities, industrial facilities, and specialty operations across the country.
What We Offer
- Supplying and delivering Sodium Hypochlorite in bulk tankers, totes, or drums tailored to your specific requirements
- On-site technical support for optimal dosing and application
- Regulatory compliance guidance and safety training
- Regular tank inspections and maintenance recommendations
A Brief History of Sodium Hypochlorite
Sodium hypochlorite was first produced in 1785 by French chemist Claude Louis Berthollet, who discovered that chlorine gas dissolved in an alkaline solution created a powerful bleaching agent. The resulting solution, produced near the Paris suburb of Javel, became known as ‘Eau de Javel’ and was initially used for textile bleaching. In the early 19th century its disinfecting properties were recognized, and dilute solutions began to be used in medical settings. A pivotal moment came during World War I, when chemist Henry Dakin and surgeon Alexis Carrel developed ‘Dakin’s solution’ — a dilute sodium hypochlorite preparation — for irrigating infected wounds, dramatically reducing gangrene and infection mortality. The large-scale application of sodium hypochlorite to municipal water treatment in the early 20th century is credited with dramatically reducing waterborne diseases including cholera and typhoid, saving millions of lives. Today, Alexander Chemical produces sodium hypochlorite for water utilities, industrial facilities, and specialty applications across the country.
Sodium Hypochlorite Facts
- From Salt to Safety: Sodium hypochlorite is produced by electrolyzing brine — simple salt water — to generate chlorine and sodium hydroxide, which combine to form hypochlorite. After use it breaks back down to mostly salt and water, completing the cycle.
- Eau de Javel: The word ‘Javel’ in ‘Eau de Javel’ — the French name for bleach — refers to the Paris suburb where Berthollet first produced hypochlorite solution in the 1780s for textile bleaching, a name that persisted as the product transformed public health.
- Dakin’s Solution: In World War I, Dakin’s solution — a carefully diluted sodium hypochlorite preparation — was used to irrigate infected wounds on the battlefield, dramatically reducing gangrene deaths before antibiotics existed.
- Waterborne Disease Fighter: The introduction of chlorination to municipal water supplies in the early 20th century is credited with reducing typhoid fever mortality by over 90% in many U.S. cities — one of the greatest public health achievements in history.
- On-Site Production: Many large water treatment plants produce sodium hypochlorite on-site by electrolyzing salt water — delivering fresh, high-potency product and eliminating the logistics of transporting concentrated bleach.
Frequently Asked Questions about NaOCl
What is sodium hypochlorite?
Sodium hypochlorite (NaOCl) is an inorganic compound and the active ingredient in liquid chlorine bleach. It is produced by dissolving chlorine gas in sodium hydroxide solution and is supplied as an aqueous solution in concentrations ranging from 5–9% (household) to 10–15% (industrial) to up to 20% (high-strength). It is the world’s most widely used disinfectant and bleaching agent.
What is sodium hypochlorite used for?
The largest use of sodium hypochlorite is as a disinfectant in municipal drinking water treatment and wastewater systems. It is also used for pool and recreational water sanitation, industrial and institutional surface disinfection, laundry and textile bleaching, paper pulp bleaching, and food processing facility sanitation.
Why should sodium hypochlorite never be mixed with ammonia or acids?
Mixing sodium hypochlorite with acids releases toxic chlorine gas (Cl₂), which is highly dangerous even in small quantities. Mixing with ammonia or ammonium compounds produces toxic chloramine gases and potentially explosive nitrogen trichloride. These reactions are among the most common causes of industrial and household chemical incidents. Always store and handle sodium hypochlorite separately from these materials.
Is sodium hypochlorite safe for drinking water treatment?
Yes. When dosed correctly and used in accordance with NSF/ANSI 60 standards, sodium hypochlorite is safe and highly effective for drinking water disinfection. It is one of the most widely approved water treatment chemicals globally, used in municipal systems serving billions of people.
How does sodium hypochlorite degrade over time?
Sodium hypochlorite solutions lose potency over time, particularly when exposed to heat, light, or contamination. Even sealed, solutions degrade — diluted solutions much faster than concentrated stock. Alexander Chemical supplies fresh, high-potency product and advises on proper storage and use-by practices to maintain effectiveness.
How is sodium hypochlorite delivered?
Alexander Chemical delivers sodium hypochlorite via bulk tankers, intermediate bulk containers (totes), and drums based on your volume and site requirements. All deliveries are handled through Circle Transport, our dedicated logistics partner.
How should sodium hypochlorite be stored?
Sodium hypochlorite should be stored in HDPE, fiberglass, or rubber-lined tanks in a cool, dark location away from heat and sunlight. Never store with acids, ammonia compounds, or organic materials. Alexander Chemical provides tank inspection and maintenance support as part of our delivery and compliance services.
What industries use sodium hypochlorite?
Sodium hypochlorite is used in municipal water and wastewater treatment, swimming pool and recreational water management, healthcare and institutional disinfection, food and beverage processing, textile and paper bleaching, and industrial cleaning.
Where to buy sodium hypochlorite in bulk?
Alexander Chemical produces and supplies bulk sodium hypochlorite with nationwide delivery. Contact our team to discuss your volume requirements, delivery schedule, and pricing.