“There are two types of cleaning products: bleach and things that should never be mixed with bleach”. To what extent is this true? And why?

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u/shaneoffood posted this comment in a discussion about unscented laundry detergents.

I’m familiar with the fact that ammonia and bleach creating something like chlorine gas, and I get that mixing different elements can cause them to react.

But is the original comment a good rule of thumb? Are there exceptions? And why do they make “the best” cleaning products?

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57 Answers

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Anonymous 0 Comments

Bleach is a powerful sanitizer that is highly reactive with other chemicals. Obviously ammonia is the most commonly known since that episode of king of the hill, but bleach and vinegar will also make chlorine gas. Bleach and rubbing alcohol makes chloroform.

Rather than memorizing everything bleach can’t be safely mixed with, better to just use it separately.

Anonymous 0 Comments

The original comment isn’t quite on the mark, but it is very much a good rule to go by. Naturally, to something so vague, there are definitely going to be exceptions.

It’s a case of it being largely true, but maybe not 100% of the time.

So why is this?

So first off, there are two types of bleaches commonly found on the market.

Chlorine-based and Peroxide-based. Neither of which should be mixed with other cleaning products

So what’s the difference?

Peroxide-based ‘bleach’ either breaks down into, or contains, hydrogen peroxide, which is readily reactive. Mixing it with bleach will produce toxic fumes and can reportedly create oxygen to such an extent that it can literally explode.

Chlorine-based bleaches are true bleaches which use Sodium Hypochlorite (though some may use calcium hypochlorite, sodium is far more common though) as the active ingredient. Hypochlorites are generally unstable and highly reactive. Sodium Hypochlorite is no exception. It is highly reactive, particularly with acidic and ammonia compounds, but it will also react with organic materials and many common metals.

In short? Is it 100% true? I can’t say for sure. There’s probably some cleaner out there that it doesn’t react with.

But it is a rule you should absolutely follow as mixing bleach with other cleaning chemicals often results in the production of toxic gasses.

Anonymous 0 Comments

The original comment isn’t quite on the mark, but it is very much a good rule to go by. Naturally, to something so vague, there are definitely going to be exceptions.

It’s a case of it being largely true, but maybe not 100% of the time.

So why is this?

So first off, there are two types of bleaches commonly found on the market.

Chlorine-based and Peroxide-based. Neither of which should be mixed with other cleaning products

So what’s the difference?

Peroxide-based ‘bleach’ either breaks down into, or contains, hydrogen peroxide, which is readily reactive. Mixing it with bleach will produce toxic fumes and can reportedly create oxygen to such an extent that it can literally explode.

Chlorine-based bleaches are true bleaches which use Sodium Hypochlorite (though some may use calcium hypochlorite, sodium is far more common though) as the active ingredient. Hypochlorites are generally unstable and highly reactive. Sodium Hypochlorite is no exception. It is highly reactive, particularly with acidic and ammonia compounds, but it will also react with organic materials and many common metals.

In short? Is it 100% true? I can’t say for sure. There’s probably some cleaner out there that it doesn’t react with.

But it is a rule you should absolutely follow as mixing bleach with other cleaning chemicals often results in the production of toxic gasses.

Anonymous 0 Comments

The original comment isn’t quite on the mark, but it is very much a good rule to go by. Naturally, to something so vague, there are definitely going to be exceptions.

It’s a case of it being largely true, but maybe not 100% of the time.

So why is this?

So first off, there are two types of bleaches commonly found on the market.

Chlorine-based and Peroxide-based. Neither of which should be mixed with other cleaning products

So what’s the difference?

Peroxide-based ‘bleach’ either breaks down into, or contains, hydrogen peroxide, which is readily reactive. Mixing it with bleach will produce toxic fumes and can reportedly create oxygen to such an extent that it can literally explode.

Chlorine-based bleaches are true bleaches which use Sodium Hypochlorite (though some may use calcium hypochlorite, sodium is far more common though) as the active ingredient. Hypochlorites are generally unstable and highly reactive. Sodium Hypochlorite is no exception. It is highly reactive, particularly with acidic and ammonia compounds, but it will also react with organic materials and many common metals.

In short? Is it 100% true? I can’t say for sure. There’s probably some cleaner out there that it doesn’t react with.

But it is a rule you should absolutely follow as mixing bleach with other cleaning chemicals often results in the production of toxic gasses.

Anonymous 0 Comments

The “other chemicals” you shouldn’t mix with bleach cleaners are cleaning products containing acid. These acids react with bleach to form toxic chlorine products, from mustard gas to chloroform and straight chlorine gas. Acids are commonly used to clean mineral deposits and rust, so any cleaner containing acids (even boring vinegar) should not be mixed with bleach.

The exceptions to this rule are cleaners that don’t contain any acids such as unscented laundry detergent which is why you can add bleach to a washing load to disinfect/remove stains

Anonymous 0 Comments

The “other chemicals” you shouldn’t mix with bleach cleaners are cleaning products containing acid. These acids react with bleach to form toxic chlorine products, from mustard gas to chloroform and straight chlorine gas. Acids are commonly used to clean mineral deposits and rust, so any cleaner containing acids (even boring vinegar) should not be mixed with bleach.

The exceptions to this rule are cleaners that don’t contain any acids such as unscented laundry detergent which is why you can add bleach to a washing load to disinfect/remove stains

Anonymous 0 Comments

The “other chemicals” you shouldn’t mix with bleach cleaners are cleaning products containing acid. These acids react with bleach to form toxic chlorine products, from mustard gas to chloroform and straight chlorine gas. Acids are commonly used to clean mineral deposits and rust, so any cleaner containing acids (even boring vinegar) should not be mixed with bleach.

The exceptions to this rule are cleaners that don’t contain any acids such as unscented laundry detergent which is why you can add bleach to a washing load to disinfect/remove stains

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