Azo black

From:Nick Bullough

Hi all,

The histo lab my girlfriend works in has a large quantity (50g+) of this dye
(a holdover of previous times (the less said the better)).

I've googled around and turned up some information, but no real protocols
for histology. Can the collective wisdom of histonet come up with anything?

What I do have so far is:

C.I. number: C.I. 30235

preferred name: Chlorazol Black E

I've some hints that it is used in parasitology, entomology and agriculture
(for staining fungal hyphae in tree roots!).

All suggestions will be gratefully received (even if it is to sling it in
the chemical waste!)

Many thanks

Nick


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