Safety Reference
Danger
Sourcing Propionic acid?
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Sourcing Propionic acid?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Propionic acid is a short-chain fatty acid that occurs naturally in cheese and is widely used as a food preservative and fungicide. Its crystal structure was determined in the early 1960s, confirming its molecular arrangement.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
The international HS code for Propionic acid (CAS 79-09-4) is 2915.50.
2915.50
2915 50 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
propanoic acid
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CCC(=O)O