ENVOWater Treatment Chemicals
Sodium Dichloroisocyanurate
Source photograph; appearance, grade and supplied packaging follow the agreed product documents.
Disinfection & oxidation

Sodium Dichloroisocyanurate

SDIC / NaDCC

A solid chlorine source for the relevant disinfection procedure, selected by hydration form, available chlorine and equipment requirements.

Confirmed availableBase chemicals
Chemical identity
Anhydrous CAS 2893-78-9; dihydrate CAS 51580-86-0. Confirm against the actual product SDS.
Product form
Granules, powder or agreed solid format.
Add application & specification details
Application value

Uses and application conditions

Pool chlorine-source & dosing-equipment matching

Use these checks to compare equivalent supply specifications and narrow the candidate range for your actual process.

Product selection support

Discuss water conditions, process position and current products.

Specification & document coordination

Align specification basis, test methods and grade-specific documents.

Packaging & supply coordination

Review quantity, packaging and destination requirements.

Specifications & selection

Specifications and order requirements

Discuss your current grade or operating conditions. ENVO codes identify sales requirements; manufacturer grades, supply specifications, test methods and document versions are confirmed for the selected product.

ENVO-SDIC-SSolid enquiry reference

The legacy catalogue lists 56%/60% under “Purity”; available-chlorine basis and hydration require the current technical document.

Application conditions & technical scope

Distinguish product-component assay from available chlorine and state hydration form. Follow the specific product's end-use documents for stabilized-chlorine water circuits and residual management.

Appearance and supplied form

Confirm the form before comparing specifications.

Check the required form, then compare the composition, specifications and test conditions of the specific grade.

Product forms to compare

Granules, powder and compressed tablets; anhydrous and dihydrate grades separate

White to off-white

Solid granulesWhite to off-white · Solid
Compressed tabletsConfirm against additives and the finished-product label · Compressed tablets

Appearance information supports initial screening only. Color cannot establish chemical identity, concentration or quality grade. Confirm the actual batch using supply documents and samples.

Appearance and technical references

These public sources help check product categories, possible appearances and general application limits. They do not replace the TDS, SDS or batch COA for a specific ENVO grade.

Application issues and troubleshooting

Sodium Dichloroisocyanurate — troubleshooting checks

Review symptoms, possible causes and verification steps together to prepare a more focused product-selection discussion.

01Sodium dichloroisocyanurate does not match the existing dosing equipment
Possible causes
Granular, tablet or liquid form, activity basis or the unit's specified chlorine source differ.
Investigation and resolution
Check the feeder's specified chemical and form first, then compare the actual label, available-chlorine tests and equipment procedures.
Checks required
Feeder model, feedstock label, SDS, available-chlorine units and supply form.
Application limits
Do not mix TCCA, SDIC, calcium hypochlorite or other incompatible chemicals; white appearance does not establish interchangeability.
02Available chlorine or residual behavior changes during storage and operation
Possible causes
Storage temperature, time, contamination or chlorine-demanding water constituents may change.
Investigation and resolution
Separate dispatch content, site storage and system demand; check test timing and the residual measurement method.
Checks required
Batch COA, production/arrival/sampling dates, storage conditions, raw-water and residual records.
Application limits
Do not judge available chlorine by liquid color or powder whiteness, or give a universal dosing ratio across products.
03Disinfection use does not match the documents
Possible causes
Swimming pools, wastewater, drinking water and hot tubs have different procedures and end-use requirements.
Investigation and resolution
Select documentation for the actual water use, checking materials, residuals and by-product monitoring.
Checks required
Use location, existing procedures, product documents, materials and monitoring plan.
Application limits
Industrial or swimming-pool use does not automatically extend to all drinking water, hot tubs or aquaculture water.

Need help with your current product?Share your current grade, observed issues and water-quality data. We can define comparison conditions before discussing suitable specifications.

Applications

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Technical documentation

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TDS

Technical data sheet

Product properties, test basis and specification details.

SDS

Safety data sheet

Composition, handling, storage and transport information.

COA

Certificate of analysis

Batch-specific analytical items and results.

Scope & qualification

Certification & use documents

Review the scope for the product and destination market.

Packaging & delivery

Reference packaging: 25kg/bag or 50kg plastic drum. Actual packaging, labels and filled net weight are subject to the order and delivery documents.

Technical references & scope

Industry references describe general uses. Product specifications, certifications and application results require the corresponding supplier documentation.

PURCHASING QUESTIONS

More questions, answered.

Sodium dichloroisocyanurate does not match the existing dosing equipment — what should I check?

Check the feeder's specified chemical and form first, then compare the actual label, available-chlorine tests and equipment procedures.

What should I compare when buying Sodium Dichloroisocyanurate?

Share the application, current product, purchase quantity and delivery location to help confirm a suitable specification. Key checks include: Hydration form, available-chlorine basis, particle size, moisture and end-use requirements. Compare the current grade document and the same test basis before choosing an alternative.

Which documents should accompany a Sodium Dichloroisocyanurate enquiry?

Request the current grade-specific TDS and product SDS, the COA for the actual supplied batch, and any intended-use documents required for the destination. Share the application, specification, quantity and delivery requirements. Document version, batch coverage and public-release scope are confirmed for the specific request.

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ENVO · Selection & Purchasing

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