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Methylamine, aqueous solution
HMT 15 June 2026
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Methylamine, also known as methanamine, is an organic compound with a formula of CH5N or CH3NH2. This colorless gas is a derivative of ammonia, but with one hydrogen atom being replaced by a methyl group. It is the simplest primary amine. Methylamine is sold dissolved in solution with methanol, ethanol, tetrahydrofuran, or water, or as the anhydrous gas in pressurized metal containers Wikipedia
×Note: Special provisions may be very complex. The extracts are taken from 49 CFR §172.102. Please be careful with the information, as necessary, additional conditions may be applied that are not written here. Please check the original source and report bugs.
If the material has a flash point at or above 38 °C (100 °F) and below 93 °C (200 °F), then the bulk packaging requirements of § 173.241 of this subchapter are applicable. If the material has a flash point of less than 38 °C (100 °F), then the bulk packaging requirements of § 173.242 of this subchapter are applicable.
<sub>Authorized IBCs:</sub> Metal (31A, 31B and 31N); Rigid plastics (31H1 and 31H2); Composite (31HZ1).<br><sub>Additional Requirement:</sub> Only liquids with a vapor pressure less than or equal to 110 kPa at 50 °C (1.1 bar at 122 °F), or 130 kPa at 55 °C (1.3 bar at 131 °F) are authorized.
The maximum degree of filling must not exceed the degree of filling determined by the following:<br><br>Where: <br>t<sub>r</sub> is the maximum mean bulk temperature during transport, and t<sub>f</sub> is the temperature in degrees celsius of the liquid during filling.
Stowage category “E” means the material may be stowed “on deck” or “under deck” on a cargo vessel or on a passenger vessel carrying a number of passengers limited to not more than the larger of 25 passengers, or one passenger per each 3 m of overall vessel length, but is prohibited from carriage on a passenger vessel in which the limiting number of passengers is exceeded.