Talk:Copper(II) chloride

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Does anyone knows if Copper(II) Chloride is soluble in 1-Propanol or 2-Propanol? (Posted by 202.156.6.54, 23 March 2006).

Almost certainly, yes, and both. If you look in the table at the solubility in ethanol, which is very similar, you'll see that is highly soluble. Going from methanol solubility to ethanol, you can see a trend towards lower solubility as no. of carbons increases (and solvent polarity goes down), so I'd expect a lower solubility again in 2-propanol, and even lower in 1-propanol, but it should still be quite soluble. Note that those data are for the anhydrous compound, though (the yellow-brown form) - if you are using the hydrate (blue-green) the solubilities will be different - though the CRC lists that as solubile in ethanol too. Please post your findings here! Walkerma 15:19, 23 March 2006 (UTC)

[edit] CAS Number

The recent edit is not vandalism, it does rectify an error in the CAS number. I checked [www.hazard.com an MSDS] and Alfa and the 39-4 ending is correct. It appears that the Aldrich catalogue has the incorrect CAS no., that's where the error came from. Walkerma 06:13, 8 June 2006 (UTC)

• It can easily be confirmed that the previous CAS registry number was false, as the checksum fails; [7447-39-4] is the valid CAS number for the anhydrous chloride (verified against WebElements NIST and Aldrich online), the dihydrate is [10125-13-0] (WebElements, Aldrich). Physchim62 (talk) 11:39, 8 June 2006 (UTC)