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ayb

ayb

"I'd feel trapped if I couldn't CTB at any time."
Feb 15, 2019
292
I have some sealed SN from LW all the way back from 2019. I'm wondering what the approx shelf life is so I can replace if necessary. Thanks.
 
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Kerrtu

Kerrtu

Komeetta ♊︎
May 8, 2023
474
As long as it's stored properly ie away from humidity and heat, an unopened bottle of SN will last indefinitely. Caking and yellowish color are natural.

My SN is also from LW - the plastic bag around the bottle is still intact as well.
 
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stillmirenai

stillmirenai

pro choice enthusiast, fan of death.
Mar 29, 2023
289
I've heard people on this forum saying its shelf life is 1-3 years, if stored in nonoptimal conditions. However, if you take good care of it and store it in good enough conditions, you should just be able to use it whenever without any problems. Like Kerrtu said, caking and the yellow color is normal if you've had it stored for a while.
 
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ayb

ayb

"I'd feel trapped if I couldn't CTB at any time."
Feb 15, 2019
292
Don't some SN containers come with an expiry date though?

Thanks so much btw.
 
befree

befree

Time to do more enjoyable things _____Goodbye_____
Mar 22, 2022
2,585
Store it airtight in a cool and dry place. Before you use it, do a blood test.
 
lotus11

lotus11

Specialist
May 18, 2019
345
Following as I have the exact same question...think I've also had mine since 2019! How do you do a blood test?
 
befree

befree

Time to do more enjoyable things _____Goodbye_____
Mar 22, 2022
2,585
Just mix a few drops of blood with a smal amount of SN. Keep some blood to compare colours. If the blood-SN-mixture turns brown/red brown, it should be ok. It´s best to use a white plate for this.

By the way there is also a search function, where you can find all those info and photos.
 
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ayb

ayb

"I'd feel trapped if I couldn't CTB at any time."
Feb 15, 2019
292
Store it airtight in a cool and dry place. Before you use it, do a blood test.
I plan on CTB in the near future with prior fasting. At the time I do, and it fails then what's my recourse? All SN sellers would've probably been taken down by then, and several people here have received SN containers with expiry dates on them.

If I open my container right now and test it then I would be exposing it to air if it passes. The SN would oxidize to nitrate within 3 months.

That's why I want to know the shelf life with certainty.
 
Vizzy

Vizzy

DEAD
May 6, 2023
1,865
I have some sealed SN from LW all the way back from 2019. I'm wondering what the approx shelf life is so I can replace if necessary. Thanks.
3 years
 
O

offbalance

All I want is peace
Dec 16, 2021
229
If I open my container right now and test it then I would be exposing it to air if it passes. The SN would oxidize to nitrate within 3 months.

Source?
 
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ayb

ayb

"I'd feel trapped if I couldn't CTB at any time."
Feb 15, 2019
292
Ihttps://www.sciencedirect.com/topics/agricultural-and-biological-sciences/sodium-nitrite#:~:text=Sodium%20nitrite%20is%20an%20odorless,both%20reducing%20and%20oxidizing%20properties.
 

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