AKA: N-Butane, 106-97-8, Diethyl, Methylethylmethane, Butanen, Butani, Butyl hydride, HC 600, A 21 (lowing agent)
Synthetic
Not Clean
OriginButane is derived from crude oil or natural gas through fractional distillation of petroleum hydrocarbons. It is isolated and purified through separation and liquefaction processes under pressure and cooling.
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
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Propellant
Dispenses Product
Antioxidant Protection
Reduces Inflammation
Propels product from container
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.
EWG
7
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Skin Irritant in Testing
1 study / 1 irritating / reactions mild to moderate (CIR 234)
murphy