Alcohol Functional Group Structure Models

SKU: 68827W

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Compounds with alcohol functional groups have sp3 hybridized tetrahedral oxygens combined with alkyl groups. Lone pairs are not normally shown, so the 2 prong oxygen atom is used. These form an R-O-H bond angle greater than the 104.5° H-O-H bond angle seen in water. This advanced student set has 24 sp3 carbons so you can build multiple models at once for comparison. You can even make fatty alcohols (long-chain alcohols) which are straight-chain primary alcohols which can have as many as 22 to 26 carbons.


Alcohols are classified based on which carbon atom is bonded to the hydroxyl group. If it is an chain end carbon then the compound is a primary alcohol. A secondary alcohol has the hydroxyl group joined to a carbon that is directly bonded to two carbon atoms on either side. Tertiary alcohols have hydroxyl groups where the attached carbon atom is bonded to three carbons. Here are a few examples you can build &/or identify: 2-methyl-1-propanol (primary); 2-methyl-2-pentanol; 2-methyl-2-propanol (tertiary); 2-methylbutan-2-ol; 3, 3, 3-dimethyl-2-butanol (secondary); 5-dimethylhexan-1-ol; 6, 6-methylheptan-3-ol; 8-dimethyl-3-decanol. Use this set in conjunction with our 3D Molecular Model Builder to view & build virtually any alcohol. Choose the "orbit flexible" style.

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Reviews (3)

Good kit. Fast delivery. It made visualizing chair/boat conformations easier, helped figuring out chirality and stereochem as well. The clear bonds however were sometimes hard to work with as you really need to shove the parts into them, and can slow you down if you're able to use a model kit in exams. As a result, I like using the more rigid grey bonds for most of my builds. The bendable bonds are good if you need to visualize your alkenes and alkynes.

— Sam
— Indigo:

Thanks for the feedback. The rigid bonds are great for chair boat flips but eventually wear out with repeated use. The clear bonds are tougher to work with at first but eventually loosen up enough to make them easier to use. They will last over many more uses which is good if you are taking chemistry as a degree.


Good quality and assortment!

— John Aldus

These are great kits for a great price. Very useful, and easy to buy extra parts if you want.

— Shawn
— Indigo:

Glad to hear it. This model set is supported by our 3D Molecular Model builder so any time you want to augment it, the tool will tell you what you need.

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