KODALK Question.

Keith Tapscott.

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• Dec 29, 2013

• #1

I know that Borax is disodium tetraborate (decahydrate) and that Kodalk is sodium metaborate.

Is Kodalk the 4-mole or the 8-mole metaborate?

 

Rudeofus

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• Dec 29, 2013

• #2

This page claims Kodalk is the octahydrate. Check out (there was a url link here which no longer exists), too.

 

OP

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Keith Tapscott.

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• Dec 29, 2013

• #3

Rudeofus said:

This page claims Kodalk is the octahydrate. Check out (there was a url link here which no longer exists), too.

Click to expand...

So the 8-mole then. Thank you for the links.

 

Trask

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• Dec 29, 2013

• #4

How does one know if it is 4-mole or 8-mole? Looking at Photographer's Formulary, for example, they simply list the chem as sodium metaborate, no further information. More broadly, is there a qualitative difference between the two?

 

Rudeofus

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• Dec 29, 2013

• #5

Photo Formulary provides an MSDS on their product page, which states that their Sodium Metaborate product is also the 8-mole version.

 

Trask

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• Dec 29, 2013

• #6

Thanks, Rudeofus -- I forgot about the MSDS.