Butyric acid is also called butanoic acid. It is a carboxylic acid (CH3CH2CH2-COOH). Butyric acid is found in the milk of goats, sheep and buffalo. It is also found in milk, butter, parmesan cheese. It has a bad smell and taste.
PVDF (Kynar®) is the most economical tank material for Butyric Acid, rated Excellent. Polypropylene is also rated Good or better. Avoid HDPE tanks; HDPE and CPVC fittings; Buna-N gaskets. Rated Fair (contact us before use): nylon tanks.
How Butyric Acid works with the plastics used to make our storage tanks.
| Material | Relative cost | Rating |
|---|---|---|
| HDPE $ | $$$$ | D Not Recommended |
| Polypropylene $$ | $$$$ | B Good |
| Nylon $$$ | $$$$ | C Fair |
| PVDF (Kynar®) $$$$ | $$$$ | A Excellent |
How Butyric Acid works with the plastics used for tank fittings.
| Material | Rating |
|---|---|
| HDPE | D Not Recommended |
| PVC | B Good |
| CPVC | D Not Recommended |
| Polypropylene | B Good |
| PVDF | A Excellent |
How Butyric Acid works with gasket and O-ring materials.
| Material | Rating |
|---|---|
| Buna-N | D Not Recommended |
| EPDM | B Good |
| Viton® | B Good |
How Butyric Acid works with the metals used for fittings and bolts.
| Material | Rating |
|---|---|
| 316 Stainless Steel | B Good |
| Hastelloy | A Excellent |
| Titanium | — No Data |
| Aluminum | B Good |
Storing this chemical in polypropylene?
Polypropylene tanks from 25 to 6,000 gallons with polypropylene fittings installed. Confirm concentration and temperature with us before you order.
Send the chemical, concentration, temperature and size. We’ll match the tank and fittings and send a quote.