What are the CAS numbers for quicklime and hydrated lime, and what does CAS mean?
The CAS number for quicklime is 1305-78-8 and the number for hydrated lime is 1305-62-0. A CAS number refers to Chemical Abstracts Service Registry Number and identifies a chemical. For example, the same CAS number would be used for quicklime and calcium oxide, since they are the same compound. The CAS number, however, tells nothing about the concentration of the chemical.
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