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Cyanuric Acid — Chlorine Stabiliser

Technical grade at 98.5% min, granular and powder, in 25 kg packs and 1,000 kg jumbo bags.

C₃H₃N₃O₃

  • CAS108-80-5
  • HS code2933.69

About Cyanuric Acid

Cyanuric acid is the stabiliser used in outdoor pool water to reduce the rate at which free chlorine is broken down by sunlight. It is also a feedstock for chlorinated isocyanurates and is used in resin and coating manufacture. Supplied as granule or powder.

Appearance
White crystalline powder or granule, odourless
Get a priceRequest the SDS

Safety data sheets and batch documentation are issued against the material supplied rather than hosted as generic PDFs. Tell us the grade and we will send the current documents.

Cyanuric Acid — White crystalline powder or granule, odourless, supplied by RNJ Trading in 25 kg bag

Illustrative artwork. Packaging and labelling vary by grade and private-label requirement.

Technical data

Cyanuric Acid specifications

Typical values for this grade, published so you can identify the product. They are not a specification guarantee — the batch documentation issued with your consignment is the document that governs what you receive.

Technical specification of Cyanuric Acid — Chlorine Stabiliser, CAS 108-80-5.
ParameterValue
Assay98.5% min
Moisture0.5% max
pH (1% slurry)4.0 – 5.0
Water solubility (25 °C)≈ 0.2 g / 100 mL
Ash0.1% max

Grades available

  • Technical 98.5% min
  • Granular
  • Powder

Packaging

  • 25 kg bag
  • 25 kg HDPE drum
  • 1,000 kg jumbo bag

Where Cyanuric Acid is used

  • Outdoor pool chlorine stabilisation
  • Feedstock for chlorinated isocyanurates
  • Industrial resin and coating manufacture

Handling & storage

Low hazard but dusty. Store dry and sealed. Refer to the safety data sheet and the product label before handling or use.

This summary does not replace the safety data sheet. Read the current SDS in full, use the personal protective equipment it specifies, and comply with UAE Civil Defence and local authority requirements for chemical storage.

Frequently asked

Questions we get about Cyanuric Acid

What does RNJ Trading supply?
Swimming pool and water treatment chemicals. The range covers chlorine sanitisers — SDIC granules and tablets, TCCA 90, calcium hypochlorite and sodium hypochlorite — alongside pH and alkalinity correctors, a coagulant for water clarity, and cyanuric acid stabiliser. Everything is available in pail, drum and bulk-bag formats. The full list, with grades and pack sizes, is on the products page.
What is SDIC?
SDIC — sodium dichloroisocyanurate, also written NaDCC or dichlor, CAS 2893-78-9 — is a stabilised chlorine donor supplied as a white granule or a pressed tablet. It is one of the standard chlorine chemistries used in swimming pools and in water disinfection. We supply it in 56% and 60% available-chlorine grades, in two particle sizes, and in tablets from 1 g to 200 g.
What is the difference between SDIC, TCCA and calcium hypochlorite?
They are three different chlorine chemistries. SDIC and TCCA are chlorinated isocyanurates and are stabilised, meaning they contain cyanurate; calcium hypochlorite is unstabilised and contains calcium instead. They differ in available chlorine, in how quickly they dissolve and in whether their solution is acidic or alkaline — the typical values for each are published on its product page. Which one suits a given installation is a decision for the person responsible for that water system.

Also in the range

Other products in the range

Sanitiser, pH correction and clarity products are usually bought together. These lines can go on the same enquiry as Cyanuric Acid.

View the full range
  • SDIC Granular packagingBest seller

    SDIC Granular

    C₃Cl₂N₃NaO₃

    Stabilised chlorine granule in 56% and 60% available-chlorine grades, supplied in pails, drums and jumbo bags.

    • Available chlorine56% min / 60% min
    • Moisture3.0% max
  • SDIC Tablets packagingBest seller

    SDIC Tablets

    C₃Cl₂N₃NaO₃

    The same SDIC chemistry pressed into fixed-weight tablets, from 1 g effervescent up to 200 g slow-dissolve.

    • Available chlorine56% min / 60% min
    • Tablet weights1 g, 3.3 g, 4 g, 20 g, 150 g, 200 g
  • TCCA 90 packagingCore line

    TCCA 90

    C₃Cl₃N₃O₃

    Stabilised chlorine at 90% available chlorine, in 20 g and 200 g tablets, granular and powder.

    • Available chlorine90% min
    • Moisture0.5% max

Ready when you are

Tell us what you needand we’ll price it.

SDIC granules and tablets, TCCA 90, calcium hypochlorite, sodium hypochlorite, pH correctors, clarifier and stabiliser — in pails, drums, bags and bulk. Send the products, grades and quantities and we will come back with a written quotation.

Get a Price+971 4 000 0000
Written quotation, no obligationPriced to your grade and pack sizeUAE delivery and GCC export quoted

Prefer email? sales@rnjtrd.com · Sat – Thu, 8:00 AM – 6:00 PM (GST)