Butane
molecular structure · PubChem
AKA: N-Butane, 106-97-8, Diethyl, Methylethylmethane, Butanen, Butani, Butyl hydride, HC 600, A 21 (lowing agent)
Synthetic
Not Clean
Butane, less than 0.1% w/w butadiene
Solubility 61 mg/L at 68 °F (NTP, 1992)
Formula
C4H10
Mol. Weight
58.12
CAS #
106-97-8
Form
Liquid
State
Butane is a colorless gas with a faint petroleum-like odor. For transportation it may be stenched. It is shipped as a liquefied gas under its vapor pressure. Contact with the liquid can cause frostbit
Functions
Propellant
Dispenses Product
Antioxidant Protection
Reduces Inflammation
Propels product from container
Traditional Use
A hydrocarbon gas first synthesized in the 19th century and adopted by the cosmetics industry in the mid-20th century as a propellant for aerosol sprays and foam products.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026 · 🧪 = conflict
Data: PubChem · CosIng · EWG · CIR