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Date of Issue : Jul 1997 1. IDENTIFICATION
General Product Name : SODIUM DICHLOROISOCYANURIC ACID Other Names : SODIUM DICHLOROISOCYANURATE DIHYDRATE UN No. : N/A Dangerous Goods Class : None Allocated Subsidiary Risk : None Allocated Hazchem Code : N/A Pack Group : 0 EPG : N/A Poisons Schedule : 5 Uses : Active ingredient in dry bleaches, dishwashing compounds, scouring powder, detergent sanitizers, swimming pool disinfectants, water & sewage treatment, replacement for calcium hypochlorite.
1.1 Physical Description / Properties
Appearance : White crystalline granules or tablets with a slight chlorine odour. Formula : C3H4Cl2N3NaO5 Boiling Point : N/A deg C Melting Point : N/A deg C Vapour Pressure : N/A Specific Gravity : N/A (water = 1) Flash Point : N/A pH : 6-7 (1% aqueous solution) Solubility in water : 260 g/l (25 deg C) Flammability Limits (as percentage volume in air) Lower Explosion Limit : N/A Upper Explosion Limit : N/A 1.2 Other Properties
Soluble in water. 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
Swallowing can result in diarrhoea, abdominal pain, ulceration of the stomach, lachrymation, difficulty in breathing, loss of consciousness, coma & possible death. Eye
A severe eye irritant. Contamination of the eyes can result in permanent injury. Corrosive to eyes; contact can cause corneal burns. Skin
Contact with the skin will result in mild irritation. Repeated or prolonged skin contact may lead to allergic contact dermatitis. Inhaled
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. 2.2 Health Effects - Chronic
No Data available.
2.3 First Aid
Swallowed
Immediately rinse mouth with water. Give water to drink. Do NOT induce vomiting. If vomiting occurs give further water. Seek immediate medical assistance.
Eye
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 centre.
Skin
Wash contaminated skin with plenty of water. Remove contaminated clothing and wash before reuse. If swelling, redness, blistering or irritation occurs, seek medical advice.
Inhaled
Remove victim from exposure - avoid becoming a casualty. Remove contaminated clothing and loosen remaining clothing. Allow patient to assume most comfortable position and keep warm. Keep at rest until fully recovered. If breathing laboured and patient cyanotic (blue), ensure airways are clear and have qualified person give oxygen through a face mask. If breathing has stopped apply artificial respiration at once. In event of cardiac arrest, apply external cardiac massage. Seek medical advice.
First Aid Facilities
Ensure an eye bath and safety shower are available and ready for use.
2.5 Advice to Doctor
Treat symptomatically. Delayed effects from exposure to chlorine (decomposition product) can include shortness of breath, severe headache, pulmonary oedema and pneumonia.
2.6 Toxicity Data
Oral LD50 (Rat) : 1400 mg/kg; Oral Lowest Lethal Dose (Human) : 3570 mg/kg.
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
No value assigned for this specific material by the National Occupational Health and Safety Commission (Worksafe ). However, Exposure Standards for decomposition product : Chlorine, TWA : 3 mg/m3 (Peak limitation)
3.2 Engineering Controls
Ensure adequate ventilation to maintain exposure levels below standards.
3.3 Personal Protection
Avoid skin and eye contact and inhalation of dust. Wear overalls, chemical goggles and impervious gloves. Avoid generating and inhaling dusts. If dust exists, wear a dust respirator meeting the requirements of AS 1715 and AS 1716. Always wash hands before smoking, eating, drinking or using the toilet. Wash contaminated clothing and other protective equipment before storing or re-using.
3.4 Flammability
Non combustible, but will support the combustion of other material. SAFE HANDLING INFORMATION
4.1 Storage / Transport
Not defined as a Dangerous Good by the n Code for the Transport of Dangerous Goods by Road and Rail. This material is a Scheduled Poison (S5) and must be stored, maintained and used in accordance with the relevant regulations. Store in a cool, dry place out of direct sunlight. Store in a well ventilated area. Store away from combustible materials, any easily oxidisable matter, strong acids and alkali, oxidising agents (organic peroxides) and foodstuffs. Store away from sources of heat or ignition. Keep dry - reacts with water; may lead to drum rupture. Keep containers closed at all times - check regularly for spills (DO NOT return spilled material to original container).
4.2 Packaging / Labelling UN No. N/A Class None Allocated Sub Risk None Allocated Hazchem Code N/A Pack Group 0 EPG No. N/A Shipping Name SODIUM DICHLOROISOCYANURIC ACID Hazard HARMFUL
Risk Phrases R22 Harmful if swallowed. R31 Contact with acids liberates toxic gas. R36/37 Irritating to eyes and respiratory system.
Safety Phrases S2 Keep out of the reach of children. S8 Keep container dry. S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S41 In case of fire and/or explosion, do not breathe fumes.
4.3 Spills and Disposal
Spills
Immediate action is necessary. Increase ventilation. Clear area of all unprotected personnel. Wear fully protective equipment to prevent skin and eye contamination and inhalation of vapours; air-supplied mask is recommended for large spills to avoid inhalation of toxic chlorine gas which is liberated when material is exposed to water. Avoid contact with other material. DO NOT return spilled product to original container. Do NOT add small amounts of water to the product.
To neutralise add sodium sulphite (2.4 kg/kg product). If no active chlorine remains, add soda ash (1.1 kg/kg product) to effect complete neutralisation. Where a spill has occurred in a confined space or inadequately ventilated enclosure and the material is damp and evolving chlorine, the rate of chlorine evolution can be reduced by covering the thinly spread solid with soda ash.
Disposal
Dispose of material in accordance with all Local, State and Federal Laws.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
Oxidising agent. Not combustible, but will support combustion of other materials. Decomposes upon heating liberating chlorine and oxygen. Heating can cause expansion or decomposition leading to violent rupture of containers. If safe to do so, remove containers from path of fire.
Extinguishing Media
Water spray or fog (large quantities necessary). 5 OTHER INFORMATION
Other Information
No data available.
5.1 Contact Points
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The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use.
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