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Sodium trithiocyanurate

CAS Number
17766-26-6
EC Number
241-749-5
Chemical Formula
C3H3N3S3.3Na
Molecular Weight
243.2 g/mol

Description

Sodium trithiocyanurate (CAS 17766-26-6 ), commercially known as TMT, is the trisodium salt of trithiocyanuric acid used to precipitate and immobilize heavy metal ions in industrial processes. It reacts selectively with dissolved metals to form stable, insoluble complexes that can be separated from liquid streams. In industrial wastewater treatment, TMT precipitates heavy metals such as mercury and lead. It also targets cadmium and copper from effluent streams, enabling compliance with discharge limits. Mining and mineral processing operations use it to remove residual metal contaminants from process water. It is frequently applied to tailings pond runoff and electroplating wastewater where conventional hydroxide precipitation alone fails to meet regulatory thresholds. This ensures safer environmental discharge. Metal smelting and refining facilities use TMT as a polishing agent in final effluent treatment. This process captures trace dissolved metals that resist other common treatment methods effectively. Sodium trithiocyanurate is supplied as an aqueous solution, most commonly at 15% concentration. This is the standard commercial form for dosing systems in large scale industrial facilities. Dry powder form is available for applications requiring concentrated stock preparation or extended shelf storage. Technical grade is the primary specification offered for these industrial uses. Product quality is typically characterized by active content and heavy metal precipitation efficacy. This ensures the chemical meets the necessary performance standards for heavy metal remediation. Contact us for supply of Sodium trithiocyanurate Request Quote

Other Names (Synonyms)

trisodium 1,3,5-triazine-2,4,6-trithiolate | EW8XOU36QW | Trithiocyanuric acid trisodium salt | 1,3,5-Triazine-2,4,6(1H,3H,5H)-trithione, trisodium salt | Trimercapto-s-triazine trisodium salt | TMT 18 | 1,3,5-Triazine-2,4,6(1H,3H,5H)-trithione, sodium salt (1:3) | s-Triazine-2,4,6-trithiol, trisodium salt | TMT

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point82-84 °C(lit.)
Density1.583[at 20℃]
Colorlight yellow
FormLiquid
Water Solubility346.15g/L at 22℃
Vapor Pressure0Pa at 25℃
Log P0.01 at 25℃

Safety & Handling

Danger
GHS05· CorrosiveGHS07· Irritant

Hazard Statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H318Causes serious eye damage
H319Causes serious eye irritation

Precautionary Statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.
P264Wash … thoroughly after handling.
P270Do not eat, drink or smoke when using this product.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P321Specific treatment (see … on this label).
P330Rinse mouth.
P363Wash contaminated clothing before reuse.
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P317Get emergency medical help.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P317If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P331Rinse mouth. Do NOT induce vomiting.
P354IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code29336990
UN Number3267
ADR Class8
Packing GroupI
Storage Class11 - Combustible Solids
WGK (Germany)2