
40/40/20 Custom Blend | BUTANE-ISO-PROPANE BLEND | ODORIZED with Grapefruit Mercaptan | LP-100 or LP-20 | New or Exchange
40/40/20 -Properties 40% N-Butane 99.5%, 40% Isobutane 99.5% - Blended with 20% Propane 99.5% Boiling point will be "Selective Evaporation starting with Propane" Boiling point/Boiling range: -44.5 °C (-48.1 °F) Ignition temperature: 460 °C (860 °F) Shipping: UN1965 HYDROCARBON GAS MIXTURE, LIQUEFIED Molecular formula for Butane C4-H10 CAS Number for Butane: 106-97-8 UN 1170- BUTANE Molecular formula Isobutane: C4-H10 CAS Number for Isobutane: 75-28-5 UN 1969- ISOBUTANE Molecular formula for Propane: C3-H8 CAS Number for Propane: 74-98-6 UN 1978- PROPANE About OdorizationEGI's odorized gas starts as non-odorized Extraction Grade gas. To comply with the California Health and Safety Code - HSC § 11107.2, we have introduced a naturally occurring plant-based odorant known as grapefruit mercaptan or p-Menthene-8-thiol with a chemical purity of 99%. Mercaptans, also known as thiols, are organic compounds containing a sulfur atom bonded to a hydrogen atom (-SH group) in their chemical stru