Talk:Iodomethane

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references

What's with the odd duplicaiton of numbers? --Belg4mit 02:39, 17 October 2007 (UTC)[reply]

According to most MSDS iodo methane is a possible carcinogen. I will add that statement. Also I changed the NFPA diamond rating according to the Sigma-Aldrich MSDS (3-0-1)Xenofonos (talk) 17:16, 3 April 2008 (UTC)[reply]

Crazy formulas!

I can't really call myself a very good chemist as my formal education on the matter isn't too great but this: 5 CH3OH + P + 2.5 I2 → 5 CH3I + H3PO4 + H2O

Just has to be wrong.. For one, can't say I've ever heard of a half DIATOMIC (note the di) molecule before... Just how do you add half a dimolecule to a reaction?? Can't be done!

Matter of fact, I've seen plenty of half diatomic molecules and strange uneven numbers in formulas when browsing wikipedia.. (But never EVER in real chemistry books or such) So whoever you got writing them should be "fired" or whatever..

Second, even if you make the numbers even (and the dimolecules whole) by doubling them.. It still doesn't add up. Since the iodinating reagent is PI3 then there is too litte P per I. 2P + 5I2 could only create 3 units of PI3. (and one lonely iodine atom which shouldn't be able to happen eiher!) Just how could 9 iodine atoms make 10 units of CH3I? Actually, NOTHING in the formula seems to add up..

So I'd say the correct reaction(s) would be:

P4 + 6I2 -> 4PI3 PI3 + 3CH3OH -> 3CH3I + H3PO3

Or put as one reaction: P4 + 6I2 + 12CH3OH -> 12CH3I + 4H3PO3

So even the Phosphoric acid (H3PO4) is wrong, it's actually Phosphorous acid. (H3PO3) So unless someone here is interested, I'm eventually going to change it myself.