1. Basic Product Information
Chemical Name: Cyanuric Acid
Synonyms: Isocyanuric acid, 1,3,5‑Triazine‑2,4,6‑triol
CAS‑No: 108‑80‑5
EINECS: 203‑618‑0
Molecular Formula：C3H3N3O3
Molecular Weight：129.08 g/mol
Grade: Industrial Grade / Water‑treatment Grade
Appearance: White crystalline powder / granular
HS Code: 29336990902. Physicochemical Properties
| Parameter | Value | Condition |
|---|---|---|
| Melting Point | 360 ℃ (decomposes) | 760 mmHg |
| Density | 1.75 g/cm³ | 20 ℃ |
| Bulk Density | 500‑650 kg/m³ | powder form |
| Solubility in water | 0.2‑0.3 g/L | 25 ℃, slightly soluble |
| Solubility | Practically insoluble in alcohol, ether; soluble in strong alkali solution | ‑ |
| pH (saturated aqueous solution) | 3.8‑4.5 | 25 ℃ |
| Stability | Stable under normal ambient conditions; incompatible with strong oxidizing agents, strong bases | ‑ |
2. Quality Specification (Industrial Grade)
| Test Item | Specification |
|---|---|
| Assay (Titration) | ≥98.5 % |
| Moisture | ≤0.50 % |
| Ammeline + Ammelide | ≤0.50 % |
| pH(saturated solution) | 3.8‑4.5 |
| Appearance | White crystal powder, no foreign impurities |
3. Application & Use
Water‑treatment industry: Chlorine stabilizer for swimming pool & recreational water, reduce UV degradation of free chlorine.
Chemical intermediate: Raw material for producing chlorinated isocyanurates (TCCA, SDIC), triazine derivatives, resins, coatings, flame‑retardant agents (Melamine Cyanurate‑MCA).Plastics & polymer: Flame‑retardant additive for nylon, polyester and rubber materials.
Other uses: Selective herbicide intermediate, analytical reagent, metal surface treatment auxiliary agent.
4. Packing
25 kg woven bag with PE inner liner; 25kg/drum; 500 kg / 1000 kg big bag.
Sealed packing, avoid mechanical damage during loading & unloading.
5. Storage and Transportation
Storage
Store in cool, dry, well‑ventilated warehouse, keep temperature below 30 ℃.
Keep container tightly closed, avoid moisture and direct sunlight.
Separated from strong oxidants, strong alkalis, food raw materials.
Shelf life: 24 months under proper storage conditions.
Transportation
Not classified as dangerous goods for transport (IMDG / IATA).
Avoid rain, moisture, high temperature during transit.
Do not mix transport with oxidizing substances, edible chemicals.
Wear dust‑proof mask and safety goggles during loading/unloading; avoid dust inhalation and eye contact.Disclaimer: This TDS is for reference only. Actual values refer to batch‑specific COA and SDS.
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