Propane
AKA “n-Propane, Dimethylmethane, Propyl hydride, Propyldihydride, Purifrigor p 3.5, HC 290, R 290, INS NO.944
Synthetic
Ingredient Facts
Propane
AKA: N-Propane, Dimethylmethane, Propyl hydride, Propyldihydride, Purifrigor p 3.5, HC 290, R 290, INS NO.944
Synthetic · Propellant · EWG: 4
Synthetic
Synthetic
Clean
A lightweight gas that helps dispense the product smoothly and evenly from the aerosol bottle onto your skin.
Solubility 0.01 % (NIOSH, 2024)
Formula
C3H8
Mol. Weight
44.10
CAS #
74-98-6
Form
Liquid
State
Propane appears as a colorless gas with a faint petroleum-like odor. It is shipped as a liquefied gas under its vapor pressure. For transportation it may be stenched. Contact with the unconfined liqui
See origin →
Functions
Propellant
Dispenses Product
Antioxidant Protection
Reduces Inflammation
Brightens Skin
Propels product from container
Traditional Use
Developed in the late 19th century as a refined petroleum byproduct. Used in cosmetics primarily as a propellant in aerosol sprays and aerosol-based products since the mid-20th century.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Safety Assessment of Tromethamine, Aminomethyl Propanediol, and Aminoethyl Propanediol as Used in Cosmetics.
Becker LC, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
Safety Assessment of Tromethamine, Aminomethyl Propanediol, and Aminoethyl Propanediol as Used in Cosmetics.
Becker LC, Bergfeld WF, Belsito DV, Hill RA, Klaassen CD et al.
International journal of toxicology, 2018
Final amended report on safety assessment on aminomethyl propanol and aminomethyl propanediol.
Burnett CL, Bergfeld WF, Belsito DV, Klaassen CD, Marks JG Jr et al.
International journal of toxicology, 2009
Addendum to the Final Report on the Safety Assessment of 2-Bromo-2-Nitropropane-1,3-Diol (JEPT 4(4) 47-61 1980)
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Amended Report on the Safety Assessment of Aminomethyl Propanol and Aminomethyl Propanediol
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report of the Safety Assessment for 2-Bromo-2-Nitropropane-1,3-Diol
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report of the Safety Assessment of Isobutane, Isopentane, n-Butane, and Propane
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of Aminomethylpropanol and Aminomethylpropanediol
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Isobutane, Butane, Isopentane and Propane
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Revised Tentative Report: Amended Safety Assessment of 2-Bromo-2-Nitropropane-1,3-Diol as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Safety Assessment of Tromethamine, Aminomethyl Propanediol and Aminoethyl Propanediol as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
2-Bromo-2-Nitropropane-1,3-Diol
European Commission
EU Cosmetic Ingredient Database (CosIng)
Aminoethyl Propanediol
European Commission
EU Cosmetic Ingredient Database (CosIng)
Butyl Ethyl Propanediol
European Commission
EU Cosmetic Ingredient Database (CosIng)
Isostearoyl Trimellitic Anhydride/Trimethylolpropane Copolymer
European Commission
EU Cosmetic Ingredient Database (CosIng)
Propane
European Commission
EU Cosmetic Ingredient Database (CosIng)
Propanediol
European Commission
EU Cosmetic Ingredient Database (CosIng)
Propanediol Dicaprylate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Propanediol Dicaprylate/Caprate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Propanediol Diisostearate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Propanediol Dipelargonate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Trimethylolpropane Trimethacrylate
European Commission
EU Cosmetic Ingredient Database (CosIng)
2-Bromo-2-Nitropropane-1,3-Diol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Aminoethyl Propanediol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Aminomethyl Propanediol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Methylpropanediol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Propane
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
PROPANE-1
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Propanediol
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Propanediol Dicaprylate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Propanediol Dicaprylate/Caprate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Trimethylolpropane Trimethacrylate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
The Additive Influence of Propane-1,2-Diol on SDS Micellar Structure and Properties.
Gudelj M, Šurina P, Jurko L, Prkić A, Bošković P
Molecules (Basel, Switzerland), 2021
2-Bromo-2-nitropropane-1,3-diol
Health Canada
Health Canada Cosmetic Ingredient Hotlist
Progress in 1,3-propanediol biosynthesis.
Li B, Gao W, Pan Y, Yao Y, Liu G
Frontiers in bioengineering and biotechnology, 2024
Effects of 1,3-propanediol associated, or not, with butylene glycol and/or glycerol on skin hydration and skin barrier function.
Pinto JR, Monteiro E Silva SA, Leonardi GR
International journal of cosmetic science, 2024
Kitty Litter Dermatitis from-Bromo-2-Nitropropane-1,3-Diol.
Sullenbarger JW, Hensley B, Travers JB
Skinmed, 2017
Isobutane, Isopentane, Butane, and Propane.
Tucker R, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2025
Isobutane, Isopentane, Butane, and Propane.
Tucker R, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2025
Isobutane, Isopentane, Butane, and Propane.
Tucker R, Bergfeld WF, Belsito DV, Cohen DE, Klaassen CD et al.
International journal of toxicology, 2025
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR