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polygonum

On 19/10/2013 17:59, wrote:
On Saturday, October 19, 2013 6:04:21 AM UTC+1, The Natural Philosopher wrote:
On 19/10/13 03:57, wrote:
On Thursday, October 17, 2013 2:34:14 PM UTC+1, Rick Hughes wrote:

# As this is ethylene glycol product, I'm sort of assuming it will not
'degrade' at worst some will have evaporated off ... but not much ....
so any reason why it should not still be used.(I know toxic issues
with EG)

Methanol is the relatively toxic antifreeze, not EG

no it isnt.

Oral LD50 methanol 0.4g/kg
Oral LD50 ethylene glycol 4.7g (rat) 5.5g(mouse)

NT

Is that methanol LD50 for humans or rodents?
What is EG LD50 for humans?

--
Rod