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Chemistry Forums for Students => Organic Chemistry Forum => Topic started by: toadesque on April 18, 2010, 05:10:56 PM

Title: Molecular weight of 9,10-Dihydroanthracene-9,10-endosuccinic anhydride?
Post by: toadesque on April 18, 2010, 05:10:56 PM

I did a lab where I had to prepare that compound and I'm trying to calculate the percent yield but I can't find the MW of that? Anyone know it?

Title: Re: Molecular weight of 9,10-Dihydroanthracene-9,10-endosuccinic anhydride?
Post by: nj_bartel on April 18, 2010, 05:18:21 PM

Do you know the structure?

If I had to guess

(MW anthracene - MW hydrogen*4) + (MW succinic anhydride - MW hydrogen*2)

Title: Re: Molecular weight of 9,10-Dihydroanthracene-9,10-endosuccinic anhydride?
Post by: toadesque on April 18, 2010, 06:23:44 PM

This is the structure:

(https://www.chemicalforums.com/proxy.php?request=http%3A%2F%2Fimg37.imageshack.us%2Fimg37%2F1922%2F31506281.jpg&hash=b6522b57c8063f6c9d4beda809c41bd99fff44a5)

It's created by adding anthracene (the 3 rings) with maleic anhydride.

Title: Re: Molecular weight of 9,10-Dihydroanthracene-9,10-endosuccinic anhydride?
Post by: nj_bartel on April 18, 2010, 06:53:44 PM

(# Carbons)*(MW Carbon) + (# Hydrogens)*(MW Hydrogen) + (# Oxygens)*(MW Oxygen)

Or draw it in chemsketch and it does it for you.