Because of a lapse in government funding, the information on this
website may not be up to date, transactions submitted via the
website may not be processed, and the agency may not be able to
respond to inquiries until appropriations are enacted. The NIH
Clinical Center (the research hospital of NIH) is open. For more
details about its operating status, please visit
cc.nih.gov. Updates
regarding government operating status and resumption of normal
operations can be found at
opm.gov.
Carbonic acid (H2C03). The hypothetical acid of carbon dioxide and water. It exists only in the form of its salts (carbonates), acid salts (hydrogen carbonates), amines (carbamic acid), and acid chlorides (carbonyl chloride). (From Grant & Hackh's Chemical Dictionary, 5th ed)
Registry Numbers
463-79-6
CAS Type 1 Name
Carbonic acid
Public MeSH Note
91; was see under CARBONATES 1975-90; was see under CARBON DIOXIDE 1963-74
Online Note
search CARBON DIOXIDE 1966-74
History Note
91(75); was see under CARBONATES 1975-90; was see under CARBON DIOXIDE 1963-74
Carbonic acid (H2C03). The hypothetical acid of carbon dioxide and water. It exists only in the form of its salts (carbonates), acid salts (hydrogen carbonates), amines (carbamic acid), and acid chlorides (carbonyl chloride). (From Grant & Hackh's Chemical Dictionary, 5th ed)