Preservatives & Biocides
REACH
Chloramine-T trihydrate
CAS Number
7080-50-4
EC Number
615-172-8
What is Chloramine-T trihydrate?
Chloramine-T trihydrate (CAS 7080-50-4), also known as Sodium p-toluenesulfonchloramide, is an active chlorine-releasing compound used commercially as a biocide, disinfectant, and oxidizing agent.
Where is Chloramine-T trihydrate used?
- Water treatment: disinfection agent for potable and process water
- Pharmaceutical and healthcare: sanitizing equipment, surfaces, and production environments under validated cleaning protocols
- Food processing: surface disinfectant for food-contact materials, supporting hygiene compliance
- Personal care: preservative and bleaching agent
- It is utilized in select topical and oral hygiene product lines.
Good to know: Its slower chlorine release reduces disinfection byproduct formation compared to free chlorine.
Commercial specifications
- White crystalline powder with standardized active chlorine content, typically around 25%
- Packaging from small laboratory quantities to bulk industrial formats
Other Names (Synonyms)
Sodium p-toluenesulfonchloramide|Sodium;chloro-(4-methylphenyl)sulfonylazanide;trihydrate
What are the physical properties of Chloramine-T trihydrate?
Melting Point 167-170 °C(lit.)
Density 1.43
Flash Point 92 °C
Appearance White to off-white crystalline powder
Color White to off-white
Odor Chlorine like
Form Crystalline Powder
Water Solubility Soluble in water and ethyl alcohol. Insoluble in benzene and ethers.
pH 8-10 (50g/l, H2O, 20℃)
Log P 2.111 (est)
How is Chloramine-T trihydrate classified and handled safely? Learn More
Danger
GHS05· Corrosive GHS07· Irritant GHS08· Health Hazard
Hazard Statements
H302 Harmful if swallowed
H314 Causes severe skin burns and eye damage
H318 Causes serious eye damage
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
H412 Harmful to aquatic life with long lasting effects
Precautionary Statements
P233 Keep container tightly closed.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Which trade and regulatory codes apply to Chloramine-T trihydrate?
HS Code 29350090
UN Number 3263
ADR Class 8
Packing Group III
Storage Class 8A - Combustible corrosive hazardous materials
WGK (Germany) 2