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Date of Issue : Nov 1997 1. IDENTIFICATION
General Product Name : POTASSIUM METABISULPHITE / ASCORBIC ACID MIXTURE Other Names : "BIN BAG" 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 : N/A Uses : Antioxidant/preservative for wine grapes.
1.1 Physical Description / Properties
Appearance : White powder/granules with a slight odour of sulphur dioxide. Formula : K2S2O5/C6H8O6 Boiling Point : N/A deg C Melting Point : N/A deg C Vapour Pressure : N/A Specific Gravity : 1.2 (water = 1) Flash Point : N/A pH : N/A ( ) Solubility in water : N/A 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
No data available 1.3 Ingredients
2. HEALTH HAZARD INFORMATION
2.1 Health Effects - Acute Swallowed
Not expected to be a problem. Eye
May cause slight mechanical irritation. Skin
Contact with the skin is not expected to cause irritation. Inhaled
The dust is irritating to the respiratory system. 2.2 Health Effects - Chronic
No data available
2.3 First Aid
Swallowed
Drink 1 - 3 cups of water and seek medical attention.
Eye
Rinse affected eyes thoroughly under running water for 15 minutes with eyelids held open. Seek medical advice.
Skin
Wash affected skin thoroughly with soap and water.
Inhaled
Remove affected person to fresh air and seek medical attention.
First Aid Facilities
Ensure an eye bath and safety shower are available and ready for use.
2.5 Advice to Doctor
This product irritate mucous membranes in the eyes. Treat symptomatically based on judgement of doctor and individual reactions of patient.
2.6 Toxicity Data
Oral LD50 = not available Dermal LD50 = not available Inhalation LC50 = not available Acute skin irritation : non-irritant after 20 hrs (Rabbit) Acute eye irritation : irritant (Rabbit)
3. PRECAUTIONS FOR USE
3.1 Exposure Standards
No exposure limit has been established for this material by Worksafe , however the following is recommended for nuisance dust : TWA 10 mg/m3.
3.2 Engineering Controls
Ensure adequate ventilation to maintain airborne concentrations to a minimum.
3.3 Personal Protection
Protective glasses are recommended when exposure to this product is expected. Wear other protective clothing to minimise contact. Wash hands and face thoroughly after handling and before work breaks, eating, drinking, smoking and using toilet facilities.
3.4 Flammability
Not flammable under conditions of use. SAFE HANDLING INFORMATION
4.1 Storage / Transport
This product is not classified as a dangerous good under the provisions of the n Code for the Transport of Dangerous Goods by Road and Rail. Do not store or transport product together with acids or oxidising agents. Store in a cool, dry area. The product absorbs moisture from the atmosphere and becomes oxidised. Keep containers tightly sealed and product dry.
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 POTASSIUM METABISULPHITE / ASCORBIC ACID MIXTURE Hazard IRRITANT
Risk Phrases R31 Contact with acids liberates toxic gas. R36/37 Irritating to eyes and respiratory system.
Safety Phrases S26 In case of contact with eyes, rinse immediately with plenty of water and contact a doctor or .
4.3 Spills and Disposal
Spills
Clean up personnel should wear protective clothing and breathing apparatus in dusty conditions. Avoid raising dust.
Flush small spills away with plenty of water. Sweep up large spills together with dust binding agent or use a vacuum cleaner. Place waste in containers for disposal.
Disposal
Dispose of in accordance with all Local, State and Federal regulations at an approved waste disposal facility. Dispose of to landfill.
4.4 FIRE AND EXPLOSION HAZARD Fire / Explosion
Sulphur dioxide, which is harmful to health, may be evolved during a fire. Decomposition starts at about 120 deg C. Hazardous decomposition products include sulphur dioxide (with acids). The product reacts with acids, sodium nitrate and oxidising agents.
Extinguishing Media
Fire-fighters should wear full protective clothing including self-contained breathing apparatus. Use water type extinguishers. DO NOT inhale fire emissions. Use equipment/media appropriate to surrounding fire conditions. 5 OTHER INFORMATION
Other Information
The product should never enter wastewater streams without pretreatment. The elimination test cannot be conducted as the product is inorganic. As the product is inorganic, it may cause oxygen consumption in biological treatment plants. The degredation activity of the activated sludge in adapted biological effluent treatment plants should not be affected. Sulphur dioxide is evolved in an acidic environment. Observe effluent discharge regulations.
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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