Sodium dichloro-S-triazinetrione

  • Sodium dichloroisocyanurate
  • Dichloroisocynauric acid, sodium salt
  • 1,3-Dichloro-1,3,5-triazine-2,4,6(1H, 3H, 5H)-trione, sodium salt
  • Troclosene sodium
Formula
C3Cl2N3O3 . Na
Structure
Description
White solid with an odor of bleach-like odor.
Uses
Active ingredient in dry bleaches, dishwashing compounds, scouring powder, detergent sanitizers, swimming pool disinfectants, water & sewage treatment, replacement for calcium hypochlorite.

Registry Numbers and Inventories.
CAS
2893-78-9
EC (EINECS/ELINCS)
220-767-7
EC Index Number
613-030-00-X
EC Class
Oxidising; Harmful; Contact with acids liberates toxic gas; Irritant; Dangerous for the Environment
R 8 22 31 36/37 50/53
S 8 26 60 61
RTECS
XZ1900000
RTECS class
Agricultural Chemical and Pesticide; Reproductive Effector; Human Data; Primary Irritant
UN (DOT)
2465
Beilstein/Gmelin
4056155
EPA OPP
81404
Swiss Giftliste 1
G-4592
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C3Cl2N3O3.Na
Formula mass
219.95
Melting point, °C
225.0
Density
0.96 g/cm3 (20 C)
Solubility in water
260 g/L

Hazards and Protection.
Storage
Do not store near combustible materials.
Handling
Avoid contact with clothing and other combustible materials.
Protection
Wear appropriate protective gloves, clothing and goggles.
Respirators
Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.
Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents - moisture - strong bases.
Decomposition
Hydrogen chloride, nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen.

Fire.
Flash Point,°C
230
Fire fighting
Fire-fighters should wear full protective clothing including self-contained breathing apparatus. In case of fire use water spray or fog type extinguishers (large quantities are required).
Fire potential
Noncombustible.
Hazards
May explode from heat or contamination. May react explosively with hydrocarbons (fuels). May ignite combustibles.
Combustion products
May form toxic chlorine and other gases in fire.
Health
2
 
Flammability
0
 
 
Reactivity
2
 
 
Special
O

Health.
Poison_Class
4
Exposure effects
   Ingestion
Swallowing can result in diarrhoea, abdominal pain, ulceration of the stomach, lachrymation, difficulty in breathing, loss of consciousness, coma & possible death.
   Inhalation
Inhalation of the dust will result in respiratory irritation. Decomposes when wet to evolve chlorine gas. Inhalation of chlorine will result in severe respiratory irritation. Delayed effects can include shortness of breath, severe headache, pulmonary oedema and pneumonia.
   Skin
Contact with the skin will result in mild irritation. Repeated or prolonged skin contact may lead to allergic contact dermatitis.
   Eyes
A severe eye irritant. Contamination of the eyes can result in permanent injury. Corrosive to eyes; contact can cause corneal burns.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately. Do NOT induce vomiting. Allow the victim to rinse his mouth and then to drink 2-4 cupfuls of water, and seek medical advice.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.
   Eyes
Immediately irrigate with copious quantities of water for at least 15 minutes. Eyelids to be held open. Remove clothing if contaminated and wash skin. Urgently seek medical assistance. Transport to hospital or medical center.

Transport.
UN number
2465
Response guide
Hazard class
5.1
Packing Group
II
 
USCG CHRIS Code
SDT