Product identity and grade
State the exact identity, form, concentration, water application, quantity, packing, destination and documents.
Water treatment chemical · Disinfectant and oxidant
Chlorine (Cl2) for Water Treatment
Chlorine is a highly hazardous elemental disinfectant and oxidant supplied only for closed, engineered water-treatment systems operated by trained personnel.
- Identity
- CAS 7782-50-5; Cl2
- Form
- Liquefied compressed toxic gas
- Use basis
- System and jurisdiction specific
- Specification
- Contact sales
Product image · confirm grade and packaging when ordering
Share exact identity, form, water application, quantity, destination and document requirements.
ApplicationWater-system specific
SpecificationAvailable privately from sales
ValidationBench and system testing required
ComplianceExact use and market specific
Direct product answer
What is Chlorine (Cl2) for water treatment?
Chlorine is a highly hazardous elemental disinfectant and oxidant supplied only for closed, engineered water-treatment systems operated by trained personnel.
Selection depends on the exact commercial form, incoming-water chemistry, process objectives, treatment train, materials of construction, residual limits, operator controls and jurisdiction. This page supports procurement qualification and is not a dosing instruction.
Procurement snapshot
- Product
- Chlorine (Cl2)
- Category
- Disinfectant and oxidant
- Identity
- CAS 7782-50-5; Cl2
- Form
- Liquefied compressed toxic gas
- Use review
- Water, system and market specific
- Product specification
- Request the offered grade’s specification
Procurement checklist
How to source Chlorine (Cl2) in bulk
Use these procurement questions when comparing a China supplier, manufacturer source, distributor, sample or bulk quotation.
Quotation and delivery basis
Compare source-specific specification, concentration basis, packing, transport classification, Incoterm and delivery.
Application and process requirements
Share water analysis, process objective, materials, operating envelope, discharge limits and validation plan.
Technical and quality documents
Request current SDS, specification or TDS, representative COA, batch COA, traceability and applicable certification.
Application screening
Chlorine (Cl2) water-treatment application guide
These are technical screening areas—not universal approvals, operating directions, efficacy claims or guaranteed outcomes.
Municipal drinking-water disinfection
Use only a grade and treatment program accepted for the intended water use. The responsible operator should validate microbial targets, contact conditions, residual monitoring and relevant by-products for the installed system.
Wastewater effluent disinfection
Validate performance with representative effluent at the available contact time. Assess microbial results, oxidant demand, residuals and discharge requirements together before approving the treatment program.
Industrial process-water chlorination
Define the microbial target, process-water demand and contact conditions for the finished program. Include contact materials, downstream product requirements and residual or discharge limits in validation.
Oxidation in engineered treatment trains
Identify the contaminant and the desired oxidation endpoint before testing. Check reaction performance and any subsequent separation or residual-removal stage within the complete engineered treatment train.
Technical selection
Questions to resolve before approving Chlorine (Cl2)
Liquefied-gas purity and moisture basis
Obtain the supplied liquefied-gas specification with its purity, moisture limits and analytical basis. Align incoming acceptance with the engineered chlorine-feed system.
Cylinder or container standard and return system
Agree the container standard, inspection documentation, ownership and return arrangements before ordering. The available transport route must support the specified container system.
Gas-feed, leak detection and emergency infrastructure
A qualified site team should assess the installed feed system, leak detection and emergency arrangements before a supply agreement. Share the equipment acceptance requirements with the supplier.
Local authorization, operator training and residual control
Establish the site's authorization and operator requirements together with its treatment targets. Validate residual monitoring through the responsible water-treatment team.
Private technical documentation
Request the current Chlorine (Cl2) product specification
Bespring Chemical does not publish product specifications for this water-treatment chemical online. Contact sales for the current source-specific specification or TDS and confirm its revision, methods and acceptance criteria.
Product documents
Request the current signed specification or TDS, SDS, analytical methods, representative COA and batch COA.
Safety and logistics
Confirm classification, UN transport information where applicable, compatible packing, storage segregation, shelf life and emergency controls.
Authoritative context
Review US EPA drinking-water regulations, WHO Guidelines for Drinking-water Quality and NIH PubChem. Final approval depends on the exact product, water application and jurisdiction.
Water-use note: A raw-material identity does not establish potable-water approval, disinfectant efficacy or a safe universal dose. Treatment must be designed and validated from water data, monitored for relevant residuals and by-products, and operated under applicable product approvals and regulations.
Storage and handling
Handle Chlorine (Cl2) under the current SDS
- Source instructionsFollow the current SDS and specification for temperature, ventilation, segregation and shelf life.
- IncompatibilitiesPrevent contact with incompatible chemicals, moisture, heat or contamination as identified for the exact product.
- Engineered controlsUse suitable closed handling, ventilation, containment, PPE, labeling and trained emergency procedures.
Water-treatment buyer questions
Chlorine (Cl2) FAQ
What is Chlorine (Cl2) used for in water treatment?
Chlorine is a highly hazardous elemental disinfectant and oxidant supplied only for closed, engineered water-treatment systems operated by trained personnel. Suitability must be established for the exact treatment system and intended water use.
Which Chlorine (Cl2) identity should buyers specify?
CAS 7782-50-5; Cl2; Liquefied compressed toxic gas. State the exact commercial form, concentration, grade and source-specific requirements.
Why is there no public specification?
Bespring Chemical does not publish specifications for this water-treatment chemical online. Contact sales for the current source-specific specification or TDS, methods and representative COA.
Can Chlorine (Cl2) be used for drinking-water treatment?
Only where the exact product is approved or certified for that application and the treatment is designed, validated, monitored and operated under applicable rules. This raw-material page does not establish potable-water approval.
What should the RFQ include?
Provide the exact identity, form or concentration, water application, source-water or system data, critical limits, quantity, packing, destination, documents, Incoterm and delivery date.
Content updated 2026-09-13.
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Specification-led chemical sourcing
Request a Chlorine (Cl2) specification and quote
Share identity, form or concentration, water application, water or system data, critical limits, quantity, packing, destination and document list.
- Current private specification or TDS
- Representative and batch COA
- SDS, packing and transport confirmation
- Source-specific documents on request
Product documents
Request documents
Tell us your grade and destination market so we can confirm which documents are available for your order.
An external reference is not a batch certificate or a Bespring product specification.