Jugs of liquid chlorine and sunlight

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amin36

In The Industry
Nov 24, 2017
192
shahsavar
Hi everyone

A few days ago one of my clients who used liquid chlorine called me and told me that he left jugs of liquid chlorine in the sunlight and he noticed the jugs swelled and there were a lot of white crystals in the jug which i guess is sodium chloride(salt).
Does liquid chlorine turn into sodium chloride in direct sunlight?
Did anyone ever experience something like this?
 
Hypochlorite decomposes to oxygen gas and sodium chloride.

2NaOCl --> O2 + 2 NaCl

Decomposition occurs faster at higher temperatures and concentrations and with metal contamination.

If hypochlorite is exposed to acid, chlorine gas will be released.
 
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For safety reason, this is why liquid chlorine is always shipped from a manufacturer in containers with vented caps. The vented caps allow the oxygen gas to escape and avoids causing a container to burst and leak corrosive liquid all over.

Your client should be using liquid chlorine storage containers that are opaque or dark colored (to reduce UV and light exposure) and the caps should be vented. Also, the LC should not be left out in the heat. They are lucky there wasn’t a leak or other potential harm.
 
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JoyfulNoise said:
For safety reason, this is why liquid chlorine is always shipped from a manufacturer in containers with vented caps. The vented caps allow the oxygen gas to escape and avoids causing a container to burst and leak corrosive liquid all over.

Your client should be using liquid chlorine storage containers that are opaque or dark colored (to reduce UV and light exposure) and the caps should be vented. Also, the LC should not be left out in the heat. They are lucky there wasn’t a leak or other potential harm.
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Thanks.unfortunately containers do not have vented caps.that is why we had a swelling in the container.

@JoyfulNoise But does it happen because of heat or UV rays from sunlight?
 
The container can explode and spray caustic liquid chlorine everywhere and potentially cause serious injury.

The containers need to be kept cool and out of sunlight.

See if you can get a vented cap to prevent pressure buildup.

You could keep the caps loosely screwed on, but that risks a spill if someone does not secure the cap before moving the jugs.
 
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