Substances Containing Varying Carbon Lengths

In a carbon chain using the Cx-y convention Cx and Cy and aU the lengths in between must be present, and no shorter or longer chains maybe present. 

For example, for the representation alkanes, C4-12 C4, C6, C8, CIO and C12 must be present, and no chains shorter than four carbons or longer than twelve carbons can be present. As a result, this Inventory listing does not permit the manufacture of C6 as a pure substance because it only covers mixtures of carbon chains with variable lengths. 

Available at http //www.epa.gov/oppt/newchems/pubs/alkyl-rg.txt. 

If all of the carbon chains in a mixture are already independently listed on the Inventory, the mixture does not need to be on the inventory as a Cx-y range. 

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Chemical Substances Containing Varying Carbon Chain Lengths (Alkyl... 

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