Safety Data Sheets

Cleaning Products

Click a product name below to open its Safety Data Sheet (PDF).

• Citro Clean Multipurpose Cleaner
• Heavy Duty Degreaser (Greasol)
• Isopropyl Alcohol (IPA)
• Quickleen-S
• Quickleen-R
• Tempo HD Floor Cleaner
• Tile Plus
• Toilet Bowl Cleaner
• Olympic Cleen Concentrate
• Olympic Cleen – Hazardous Substance Declaration
• Chlorinated Detergent

Updated July 2026

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Scan to Open (for bottles & cupboards)

Scan a QR code below with your phone camera to open that product’s Safety Data Sheet directly.

A printable A4 version with the same QR codes (for laminating and posting on cupboards/bottles) is available from the office.

Never Mix Chemicals

One product at a time. Every time.

Cleaning products are designed to work on their own. Combining them does not make them stronger — it can create a gas that will put you in hospital.

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The one that kills people: bleach + acid

Bleach contains sodium hypochlorite. Many toilet bowl cleaners, descalers, rust removers and lime-scale products contain an acid — commonly hydrochloric acid. Check Section 3 of the SDS to see what’s in the product in your hand.

Put the two together and the reaction releases chlorine gas.

Chlorine gas was used as a chemical weapon in the First World War. It is not a hazard that belongs in a bathroom, and yet a bathroom is exactly where it usually happens: someone pours bleach into a toilet bowl that already has cleaner in it, closes the door, and keeps working.

Why it’s so dangerous

• It attacks your lungs. Chlorine reacts with the moisture in your eyes, throat and airways to form acid. It burns tissue directly.
• It’s heavier than air. It sinks and pools at floor level, in the toilet bowl, in the shower recess — right where you’re bent over working.
• You stop smelling it. The sharp swimming-pool smell fades after a minute or two. That is not the gas clearing. That is your nose giving up. People keep working in it because it “doesn’t smell as bad anymore.”
• The worst symptoms can be delayed. You might cough, feel your eyes sting, and think you got away with it. Fluid can build up in the lungs hours later. People have gone home feeling rough and deteriorated overnight.
• Small rooms are the worst case. A toilet cubicle or an ensuite with the door shut and no exhaust fan concentrates the gas fast.

It is not only toilet cleaner

Bleach also reacts dangerously with:

• Ammonia (in some glass cleaners) — produces chloramine vapours, which do the same kind of damage
• Vinegar — vinegar is an acid. “Natural” does not mean safe to combine. This one catches people out constantly.
• Rubbing alcohol / isopropyl alcohol — produces chloroform and other harmful compounds

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The other one: acid + caustic

Oven cleaners and heavy-duty degreasers are strongly alkaline (caustic). Toilet and descaling products are acidic. Mixing a strong acid with a strong alkali releases a large amount of heat very quickly — enough to boil the liquid and spit caustic solution back at your face and eyes.

Both products are hazardous on their own. Together they are worse, not neutralised.

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What to do if it happens anyway

Do not try to fix it. Do not add water. Do not try to mop it up. Do not go back in to open a window.

1. Leave the room immediately. Take anyone else with you.
2. Close the door behind you to contain the gas.
3. Get to fresh air. Outside, not the next room.
4. Call 000 if anyone is coughing, wheezing, short of breath, or their chest feels tight.
5. Call the Poisons Information Centre on 13 11 26 for advice in any case.
6. Tell Sandra. Every time. Even if nobody felt unwell.
7. See a doctor even if you feel fine. Symptoms can appear hours later. Say what you were exposed to.

Do not re-enter the room to ventilate it. Ventilation is a job for someone with the right respiratory protection, or for time and an open window operated from outside.

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How to make sure it never happens

• Use one product, finish the job, move on. Never two products on the same surface at the same time.
• Rinse thoroughly with water between products. Residue in a bowl or on a bench counts as “mixing.”
• Never decant into an unlabelled bottle. If you can’t read the label, you don’t know what’s in it, and neither does the next person.
• Never top up a part-full bottle with anything, including the same product from a different container.
• Never combine products to “make something stronger.” There is no product we use that is improved by adding a second one.
• Ventilate before you start, not after something goes wrong. Open a window, run the exhaust fan, prop the door.
• Wear your PPE. Section 8 of the SDS tells you which gloves and eye protection each product needs.

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Where the SDS tells you this

Two sections of every Safety Data Sheet cover it directly:

• Section 7 — Handling and Storage. What to keep this product away from.
• Section 10 — Stability and Reactivity. Look for “Incompatible materials.” That line lists exactly what this product must never touch.

If you are ever unsure whether two products can be used in the same room, the answer is: use one, rinse, then use the other. If you are unsure and can’t rinse, stop and ask Sandra.

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In short

There is no cleaning problem at Brushed Clean that requires two chemicals at once. If it looks like there is, the answer is a different product, more time, or a phone call — not a mixture.

Poisons Information Centre: 13 11 26 · Emergency: 000