Does benzotriazole go bad?

[Leigh]

I have 2 liters that I bought from Fred Picker. One is full, one partly used.

Should this still be good? I'm planning to use it for some old paper.

TIA

- Leigh

[Gem Singer]

It's probably still good. Benzotriazole is organic and does not oxidize.

However, as Fred used to say, TRY IT!

[Leigh]

Hi Gem,

That's what I thought but I've been known to be wrong (infrequently). :D

I shall give it a try. I just wanted some other opinions before doing so.

Thanks.

- Leigh

[Jim Noel]

My bottle of benzotriazole by Edwal Chemicals is from 1957 according to the date the label was printed. I use it and have no problem.

[Leigh]

Thanks, Jim. That's kinda what I thought.

- Leigh