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Sodium Dichloroisocyanurate (SDIC) Tablets / Granules 56–60% Available Chlorine, CAS 2893-78-9 sourcing visualHuman review
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Sodium Dichloroisocyanurate (SDIC) Tablets / Granules 56–60% Available Chlorine, CAS 2893-78-9

Buyer-facing sourcing profile for SDIC water-treatment chemical supplied as tablets, granules, or powder. Key checks for RFQ include CAS confirmation for anhydrous SDIC CAS 2893-78-9 versus dihydrate CAS 51580-86-0, available chlorine level, moisture range, pH, particle or tablet size, UN classification, export packing, and document readiness.

Quick buying facts

Identify the grade, package, and import market before comparing suppliers.

Use this page to check the product identity, common specification points, document scope, package notes, and destination-market questions before sending a China sourcing request.

CAS No.: 2893-78-9 listed for anhydrous SDIC; 51580-86-0 also referenced for SDIC dihydrateWater treatment chemical / chlorinated isocyanurate disinfectant ingredientHuman review
Identity and grade

Typical specifications

  • Product: Sodium Dichloroisocyanurate (SDIC)
  • CAS No.: 2893-78-9 listed for anhydrous SDIC; 51580-86-0 also referenced for SDIC dihydrate
  • Molecular formula listed: C3Cl2N3NaO3; dihydrate form referenced as C3Cl2N3NaO3·2H2O
  • Available chlorine: 56% / 60% for anhydrous grade; 55% referenced for dihydrate grade
  • Moisture: ≤4% for anhydrous grade; 10%–14% for dihydrate grade
  • pH: 5.5–7.0 for 1% solution as listed
  • Appearance: white powder, granular, or tablet
  • Granular sizes referenced: 8–16 mesh, 8–30 mesh, 20–40 mesh, 20–60 mesh
  • Tablet weights referenced: 0.2 g, 0.5 g, 1 g, 2 g, 3 g, 5 g, 7 g, 10 g, 20 g, 30 g, 50 g, 200 g
  • HS Code listed: 2933692910
  • UN No. listed: 2465 for anhydrous SDIC; 3077 also referenced and should be verified against SDS and shipping mode
Who uses this page

Target buyers

  • Chemical importers and distributors handling water-treatment chemicals
  • Pool and spa chemical product formulators or packers
  • Industrial circulating-water treatment suppliers
  • Municipal and institutional water-treatment procurement teams, subject to local approvals
  • Private-label tablet or granule buyers requiring export documentation
  • Regional distributors needing DG-ready packing and batch-level COA support
Before matching

Documents to check

  • CAS number, grade, assay, and impurity profile
  • SDS, COA, TDS, HS code, and transport classification
  • Destination-market import documents before supplier matching
Package and route

Packing notes

  • Packaging options shown include plastic bags, plastic drums, carton drums, and boxes.
  • Listed pack sizes include 0.5 kg, 1 kg, 5 kg, 10 kg, 15 kg, 20 kg, 25 kg, 50 kg, 100 kg, and 1000 kg options, subject to supplier confirmation.
  • Transport package is described as drum / bag / box from 0.5 kg to 1000 kg.
  • Confirm whether packaging is UN-approved for the declared dangerous goods classification and intended transport mode.
  • Confirm palletization, inner liner, moisture barrier, container loading quantity, and labeling language requirements before order placement.
Applications and sourcing options

Check whether this product fits the buyer's actual application.

Clear application, grade, package, and document notes help separate real sourcing demand from a vague price check.

Use context

Common applications

  • Industrial circulating-water treatment chemical supply chains
  • Pool and spa sanitizing product manufacturing or repacking, subject to local regulatory approval
  • General water-treatment chemical distribution where SDIC is permitted and properly registered
  • Private-label chlorine tablet sourcing with buyer-specified tablet weight and packaging
  • Tender supply where CAS, available chlorine, moisture, UN classification, and COA consistency are required
How we compare

Sourcing options

  • SDIC anhydrous tablets with 56% or 60% available chlorine, subject to supplier confirmation
  • SDIC dihydrate grade with approximately 55% available chlorine, subject to CAS and moisture confirmation
  • Granular SDIC in specified mesh ranges such as 8–16, 8–30, 20–40, or 20–60 mesh
  • Powder form SDIC for industrial water-treatment applications where permitted
  • Small retail-ready packs from 0.5 kg or 1 kg if labeling is compliant
  • Industrial drums or bags at 25 kg or 50 kg for distributor supply
  • Large-volume packing up to 1000 kg where DG packaging and import acceptance are confirmed
Human review

Compliance notes

  • This is a chlorinated water-treatment chemical and should be treated as a compliance-sensitive export product.
  • Verify exact CAS, hydrate form, available chlorine, moisture, and UN number before issuing a purchase order.
  • Request current SDS, COA, TDS/specification sheet, packing list template, commercial invoice template, certificate of origin, and DG transport documentation where applicable.
  • Supplier text references SGS, BV, ISO9000 and other certifications; buyers should request current copies rather than relying on listing claims.
  • UN 2465 is commonly associated with sodium dichloroisocyanurate; UN 3077 is also mentioned in the listing and requires clarification for the supplied form and shipping route.
  • Check destination-country import controls, biocide/disinfectant registration requirements, labeling rules, and permitted end-use claims with local compliance counsel or importer of record.
  • Do not rely on broad claims such as drinking-water, medical, hospital, or public-place use without destination-market registration and approved labeling.
  • Confirm whether the product is industrial grade, water-treatment grade, pool grade, or another grade, and whether it is suitable for the buyer’s regulated application.
Buyer search paths

Related sourcing terms

These terms support long-tail discovery while keeping the page focused on useful product and China export buying context.

SDIC manufacturer Chinasodium dichloroisocyanurate CAS 2893-78-9SDIC dihydrate CAS 51580-86-0SDIC 56% available chlorineSDIC 60% available chlorinechlorine tablets supplierwater treatment chemical exporterchlorinated isocyanurate granulesUN 2465 sodium dichloroisocyanurateSDIC tablets private label
RFQ questions before supplier matching

Turn this product into a quote request.

Share target market, quantity, packaging scope, artwork status, delivery destination, and required documents so CHN Chemicals can prepare a cleaner supplier comparison.

Questions to confirm
  • Is the offered product anhydrous SDIC CAS 2893-78-9 or SDIC dihydrate CAS 51580-86-0?
  • What is the guaranteed available chlorine specification: 55%, 56%, or 60%?
  • Please provide the latest COA showing available chlorine, moisture, pH, appearance, particle size or tablet weight, and any tested impurities.
  • What is the exact tablet size or mesh size available for the quoted price?
  • Is the material industrial grade, water-treatment grade, pool grade, or another declared grade?
  • Which UN number, hazard class, packing group if applicable, and proper shipping name will be used for export shipment?
  • Can you provide current SDS in English and in the destination-market language if required?
  • Is the proposed drum, bag, box, or IBC packaging UN-rated for the declared DG classification?
Checks before quote
  • This is a chlorinated water-treatment chemical and should be treated as a compliance-sensitive export product.
  • Verify exact CAS, hydrate form, available chlorine, moisture, and UN number before issuing a purchase order.
  • Request current SDS, COA, TDS/specification sheet, packing list template, commercial invoice template, certificate of origin, and DG transport documentation where applicable.
  • Supplier text references SGS, BV, ISO9000 and other certifications; buyers should request current copies rather than relying on listing claims.
  • UN 2465 is commonly associated with sodium dichloroisocyanurate; UN 3077 is also mentioned in the listing and requires clarification for the supplied form and shipping route.
  • Check destination-country import controls, biocide/disinfectant registration requirements, labeling rules, and permitted end-use claims with local compliance counsel or importer of record.
  • Do not rely on broad claims such as drinking-water, medical, hospital, or public-place use without destination-market registration and approved labeling.
  • Confirm whether the product is industrial grade, water-treatment grade, pool grade, or another grade, and whether it is suitable for the buyer’s regulated application.
Next step

Send the product page with your target quantity and market. A sourcing manager can then confirm sample options, supplier fit, packaging details, and open document gaps.