SoleChem

Cyanuric chloride

CAS
108-77-0
EC
203-614-9
Mol. Weight
184.41 g/mol

Description

Cyanuric chloride (CAS 108-77-0), also known as sym-trichlorotriazine, is a reactive triazine intermediate used across chemical synthesis and industrial manufacturing. Its three replaceable chlorine atoms make it a building block for producing dyes and agrochemicals.

This versatile compound is essential for manufacturing UV stabilizers and flame retardants at a commercial scale. In textile processing, it acts as a coupling agent for reactive dyes, bonding colorants permanently to cellulose fibers in cotton dyeing operations.

Coatings and polymer formulators use it to synthesize UV absorbers and light stabilizers that protect resins, films, and surface coatings from photodegradation. These applications ensure long-term durability for materials exposed to sunlight.

Water treatment chemical producers rely on it as a precursor to chlorinated isocyanurates used for disinfection and algae control. It plays a critical role in maintaining safety standards for industrial and municipal water systems.

In flame retardant production, it serves as a core scaffold for nitrogen-based FR additives incorporated into plastics and elastomers. This functionality is vital for meeting fire safety regulations in the construction and automotive sectors.

Cyanuric chloride is supplied as a white crystalline powder or flakes. Technical grade is the standard commercial form, with purity typically specified at 98% or higher for industrial synthesis applications.

It is packaged in moisture-controlled containers given its reactivity with water during storage and transport. Proper handling ensures the material maintains its chemical integrity for high-precision manufacturing processes.

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Physical Properties

Melting Point 146 °C
Boiling Point 192 °C
Density 1.32 g/cm³
Flash Point 190°C
Appearance White Powder
Color White
Odor pungent odor
Form Solidified Mass or Fragments
Water Solubility reacts
Vapor Pressure 0.8 mm Hg ( 62.2 °C)
Refractive Index 1.676
Log P 1.73-2.14 at 25℃

Safety & Handling (Learn More)

Danger GHS05 GHS06 GHS07 GHS08
Hazard Statements
H301 Toxic if swallowed
H302 Harmful if swallowed
H313 May be harmful in contact with skin
H314 Causes severe skin burns and eye damage
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H318 Causes serious eye damage
H330 Fatal if inhaled
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335 May cause respiratory irritation
H336 May cause drowsiness or dizziness
H361 Suspected of damaging fertility or the unborn child
H370 Causes damage to organs
H372 Causes damage to organs through prolonged or repeated exposure
H373 May causes damage to organs through prolonged or repeated exposure
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P233 Keep container tightly closed.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P272 Contaminated work clothing should not be allowed out of the workplace.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P284 In case of inadequate ventilation wear respiratory protection.
P316 Get emergency medical help immediately.
P317 Get emergency medical help.
P318 IF exposed or concerned, get medical advice.
P319 Get medical advice/attention if you feel unwell.
P320 Specific treatment is urgent (see … on this label).
P321 Specific treatment (see … on this label).
P330 Rinse mouth.
P363 Wash contaminated clothing before reuse.
P403 Store in a well-ventilated place.
P405 Store locked up.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P301+P316 Get emergency medical help immediately.
P301+P317 Get emergency medical help.
P302+P317 Get emergency medical help.
P302+P352 IF ON SKIN: Wash with plenty of water.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P308+P316 Get emergency medical help immediately.
P332+P317 Get emergency medical help.
P333+P317 Get emergency medical help.
P342+P316 Get emergency medical help immediately.
P362+P364 Take off contaminated clothing and wash it before reuse.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P301+P330+P331 Rinse mouth. Do NOT induce vomiting.
P302+P361+P354 IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower.
P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code 29336980
UN Number 2670
ADR Class 8
Packing Group II
Storage Class 6.1B - Non-combustible acute toxic Cat. 1 and 2 very toxic hazardous materials
WGK (Germany) 1

Documentation

Other Names

Tricyanogen chloride|sym-Trichlorotriazine|s-Triazine trichloride|Cyanuryl chloride|Cyanuric trichloride|Cyanuric acid trichloride|Cyanuric acid chloride|2,4,6-Trichloro-sym-triazine

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