99% Maʻemaʻe Monosodium Glutamate Me Cas 32221-81-1

ʻO ka Monosodium glutamate he kristal prismatic keʻokeʻo a i ʻole ka pauka crystalline, ʻaʻohe ʻala, me ka ʻono ʻiʻo kūikawā. ʻO ka nui o ka density he 1.635, ʻo ke kiko heheʻe he 195 ℃, a ʻo ka nui kikoʻī o ka hoʻopiha ʻana he 1.20. He maʻalahi ke hoʻoheheʻe ʻia i ka wai, a ʻo ka pH o ka 5% aqueous solution he 6.7-7.2. He paʻakikī ke hoʻoheheʻe ʻia i loko o ka ethanol a me ka ether. Me ka ʻole o ka omo ʻana o ka makū, hoʻomaka ka nalowale ʻana o ka wai kristal ma 120 ℃, a hoʻomaka ka dehydration intramolecular ma 150-160 ℃ e hana i ka sodium pyroglutamine, kahi e nalowale ai kona ʻono hou. Hoʻomaka ia e pala i loko o ka pyrrole ma kahi o 270 ℃.