MSDS Guardex Shimmer Tabs Page 1 of 4
Material Safety Data Sheet
Guardex Shimmer Tabs
Issued: 1 March 2001 Revision No.: 5 Revised: 30 April 2005
Company Details
Company: Hydrotech Australia Pty Ltd
Address: Level 10, 600 St Kilda Road, Melbourne, Victoria 3004
Telephone: 1800 337 356
Facsimile: (03) 8562 6499
Product Identification
Product Name: Guardex Shimmer Tabs UN Code: None
Product Code(s): H4875, H4876, H4877 HazChem Code: None
Other Names: None Dangerous Goods Class: None
Use(s): Water clarifier and flocculant for swimming pools Poisons Schedule: None
Not classified as hazardous according to the criteria of Worksafe Australia
Ref: National Occupational Health and Safety Commission, Approved Criteria for Classifying Hazardous
Substances [NOHSC:1008(1999)]
PHYSICAL DESCRIPTION AND PROPERTIES
Decomposes 770掳C
Boiling Point: Solubility: Totally soluble in water
(Alum)
Melting Point: Specific Gravity:
87掳C (Alum) 0.84
Flammability Limits: Not flammable pH: 3.5 - 3.7 (1% aqueous solution)
Vapour Pressure: Appearance:
N Av White crystalline tablet, odourless
Reactivity: Stable under normal conditions.
Reacts with water to produce sulfuric acid.
Reacts with easily oxidisable material, including many pool chemicals in their concentrated
form.
Reacts with strong bases, such as sodium hydroxide (caustic soda) and potassium hydroxide
(caustic potash).
Reacts with inorganic reducing agents, ammonia, urea and related nitrogen compounds.
Boric acid component is incompatible with elemental zirconium.
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MSDS Guardex Shimmer Tabs Page 2 of 4
(N Av = Not Available; N App = Not Applicable)
COMPOSITION
Chemical Entity Proportion by Weight CAS Registry Number
Aluminium Sulfate (Alum) 97 % 10043-01-3
Boric Acid (Boracic Acid) 2% 10043-35-3
Inert Materials (including Water) Balance 7732-18-5
Health Hazard Information
HEALTH EFFECTS
1. Effects from Acute Exposure
Swallowed: Not considered a significant health risk, although excessive consumption may cause
nausea, vomiting and abdominal pain.
Eyes: Eye irritation may occur.
Skin: Skin irritation may occur. Prolonged contact has been reported to cause numbing of the
fingers.
Inhalation: Inhalation of dust may irritate the nose, throat and respiratory system.
2. Effects from Chronic Exposure
Repeated ingestion of aluminium sulfate may lower body phosphate levels, culminating in structural weakening
of the skeleton. Generally, however, ingested material is not easily absorbed, forming insoluble phosphates
which are readily excreted from the body. When fed to test animals at very high doses, boric acid has shown
reproductive and developmental toxicity. However, if used according to label directions, the boric acid in this
product does not constitute a practical risk to humans.
FIRST AID
Swallowed: Do NOT induce vomiting. Give a glass of water and contact a Doctor or Poisons
Information Centre (Phone: 13 1126). NEVER attempt to give anything by mouth to an
unconscious person.
Eyes: Irrigate with copious quantities of water for at least 15 minutes. Eyelids to be held open.
Seek medical assistance if irritation persists.
Skin: Wash with soap and water. Seek medical assistance if irritation persists.
Inhalation: Move victim into fresh air and obtain medical assistance. If breathing has stopped, clear
airway and give artificial respiration, preferable mouth-to-mouth. If breathing is difficult,
give oxygen.
Advice to Doctor: Treat symptomatically. No special advice.
Precautions for Use
EXPOSURE STANDARDS
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No permissible exposure limits have been established for this product by the National Occupational Health and
Safety Commission (Worksafe Australia). However, the following advisory levels have been established for the
constituents of this product:
Main Constituent TWA
2 mg/m3
Soluble Salts of Aluminium
Data as published by the National Occupational Health and Safety Commission (Worksafe Australia). TWA is
the Time-Weighted Average airborne concentration over an 8-hour working day, for a 5-day working week over
an entire working life. These values are issued as guidelines for good practice. All atmospheric contamination
should be kept to as low a level as is practically possible. These levels should not be used as strict guidelines
between safe and dangerous conditions.
The LD50 (rat) for aluminium sulfate is 1930 ppm.
ENGINEERING CONTROLS
Use with adequate ventilation to keep airborne concentrations below the levels indicated above.
PERSONAL PROTECTION
Avoid skin and eye contact. Wear overalls, chemical goggles and impervious gloves. Avoid generating and
inhaling dusts. If dust exists, wear approved dust mask. Always wash hands before smoking, eating, drinking or
using the toilet.
FLAMMABILITY
Not combustible.
Safe Handling Information
STORAGE AND HANDLING
Not defined as Dangerous Goods in the Australian Code for the Transport of Dangerous Goods by Road or
Rail. Protect from moisture and extremes of temperature. Keep containers sealed whenever possible.
SPILLS AND DISPOSAL
Sweep up, avoiding inhalation of dust if present. Collect dry and seal in drums for disposal. Wash area down
with water. For disposal, refer to the State Land Waste Management Authority. Disposal by landfill at approved
land waste site is acceptable.
FIRE AND/OR EXPLOSION HAZARD
Although not combustible, hazardous combustion products are generated during the thermal decomposition of
this product (see list below).
Extinguishing Medium: Carbon dioxide, foam and dry powder-type extinguishers are all
suitable unless other materials in contact preclude their use. Do not
use water as the extinguishing medium.
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Special Fire Fighting Instructions: Wear appropriate protective clothing and self-contained breathing
apparatus when handling chemical fires. Thoroughly decontaminate
fire fighting equipment, including all apparel, immediately after the
incident.
Hazardous Combustion Products: Decomposes upon heating, emitting toxic fumes of sulfuric acid,
sulfur trioxide and other oxides of sulfur.
Contact Information
Emergency Response Team Coordinator, Patrick Logistics - 1800 024 973 (24-hour service)
This information is given without warranty or representation. Hydrotech Australia Pty Ltd does not assume any
legal responsibility for same, nor does Hydrotech Australia Pty Ltd give permission, inducement or
recommendation to practice any patented invention without a licence. It is offered solely for consideration,
investigation and verification. Before using any product, always read the label carefully.
MSDSH4875GX
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