Propylene Glycol for mixing devlopers

[destroya]

Does the % of glycol matter for developers? is this one OK to use?

http://www.chemworld.com/Gallons-Propylene-Glycol-p/chemworld-pg-1.htm

it shows 99.9% pure. on photo formulary I cant seem to find the % in the MSDS sheet. there is a substantial cost difference between the 2. Having more would just allow me to mix up both pyro-hd and MC as I'm on my last amounts of HD and need to mix up more.

just need to know before ordering. I assume the gallon jug should have a very long shelf life once opened.

thanks

john

 

[Photo Engineer]

John, that 99.9 stuff looks good to me and it will last forever for you.

The shelf life is very long.

PE

 

[heespharm]

99.9 is pretty darn pure... Go with it!

 

[destroya]

many Thanks!