Molekula
Trithiocyanuric acid, trisodium salt nonahydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Trithiocyanuric acid, trisodium salt nonahydrate (CAS 17766-26-6) is an organic compound, the trisodium salt of 1,3,5-triazine-2,4,6-trithiol, primarily used as a flocculant in water treatment, a corrosion inhibitor, and in the synthesis of sulfur-containing polymers. Its hydrated form aids solubility in aqueous systems while maintaining stability under ambient storage conditions. The molecular formula is C3N3Na3S3·9H2O with a molecular weight of approximately 405.36 g/mol (accounting for nonahydrate; anhydrous 243.22 g/mol). Handle with caution—signal word is Warning. Molekula supplies Trithiocyanuric acid, trisodium salt nonahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | White to pale yellow crystalline powder |
| Assay | ≥50.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | Not regulated |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 28831187 |
| CAS Number | 17766-26-6 |
| Molecular Formula | C3N3Na3S3 · xH2O |
| Molecular Weight | 243.22 |
| SMILES | [Na].S=C1NC(=S)NC(=S)N1 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29336960 |
| Tariff Code | 2933698065 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H319 Causes serious eye irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P337+313 If eye irritation persists get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is trithiocyanuric acid, trisodium salt nonahydrate commonly used for?
It is primarily used as a heavy-metal precipitant and scavenger, removing metals such as mercury, cadmium, lead, copper and palladium from wastewater and reaction mixtures, and as a cross-linking agent in polymer chemistry.
What is the molecular formula and molecular weight of this compound?
The formula is C₃N₃Na₃S₃·9H₂O, and the anhydrous molecular weight is 243.22 g/mol (hydrate weight varies slightly due to water content).
What safety precautions should be taken when handling this chemical?
The signal word is 'Warning'—wear gloves, goggles, and ensure proper ventilation. Avoid inhalation or skin contact, and follow standard lab practices for handling hydrated sodium salts.
What grades or purities are available for this product?
Molekula supplies this compound in technical grade and analytical/reagent grade (98%+ purity). Let us know your application for the most suitable option.
Can Molekula supply this product in bulk quantities?
Yes, we offer bulk packaging options (e.g., 1 kg, 5 kg, 25 kg drums) for industrial or large-scale applications—contact us for pricing and lead times.
What documentation is provided with each order?
Each shipment includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS/SDS), and batch-specific documentation for traceability. Custom packaging certifications are available upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.