argonAr100%argonElemental Argon, a colorless noble gas.Space reserved for adsPhysical characteristicsMolecular mass 39.9Density 1.78 g/m³Melting point -189 ℃-309 ℉83.8 K Boiling point -186 ℃-303 ℉87.3 K Compound added to the database on August 4, 2022, last modified on August 4, 2022.
