Double/Triple Bonds

SKU: 68845NV

$11.25USD or lower Each

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[5]   5 Reviews    | Write a Review

Optional  "x-pegs" fit holes in trigonal and linear carbon atoms to depict double & triple bonds differently from the standard parts included in this set. This style produces flattened nucleotide rings which are used in our 12 base pair DNA model.

The model on the left is benzene which requires 5 extra sp2 trigonal carbons (1 comes with the set) & 6 optional x-pegs. The double bonds are 20mm long while the single bonds are 30mm. Immediately to the right is ethene which uses 2 each sp2 carbons, x-pegs & 20mm bonds.

The upper right model is ethyne which requires an additional 180o linear carbon (1 comes with the set), 3 x-pegs & 3 20mm bonds.


Every Orbit molecular model set sold by Indigo Instruments is fully compatible with others you might own. You can replenish any set or customize it with Genuine Cochranes of Oxford Orbit Atoms.

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Reviews (5)
This model kit is great for improving knowledge of molecular structures for organic chemistry.
— Jan
I bought the product for a university class and it met expectations. Great service and fast shipping.
— Miri
— Indigo: Thank you for the review. Good luck this term.
Great product, fast shipping, excellent customer service!
— Courtney
Bought two of these because I prefer them to the one used at the university. Easy to use and has a good flexibility.
— Thierry

I've had consistently great service from this company. Our students seem to really appreciate the reasonable price. In the years that we've used this product, not one has been returned due to defects.

— Becki
— Indigo:

Considering how many of these we sell to schools every year, that is high praise indeed. Thanks letting us know.

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