Butane (E943a)
Type of additive (Glossary) | Propellants |
E Number | E943a |
Chemical Formula | C4H10 |
Also Known As | Butyl hydride Quartane R600 |

Purpose and Function
Butane (E943a) is used as a propellant in the food industry, particularly in aerosol sprays for cooking oils and whipped cream. It helps to create a fine mist or foam in these products.
Potential Risks and Side Effects
Butane (E943a) is generally recognized as safe (GRAS) when used in regulated amounts. However, excessive inhalation can cause dizziness, nausea, and other health issues.