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物化性質(zhì)
無色至白色結(jié)晶性粉末，無臭。有甜味，甜度約為蔗糖的70%。溶于水，微溶于乙醇，不溶于。具有旋光性。外消旋型（dl-）氨基丙酸Melting_point295℃（分解），200℃時(shí)升華。左旋（l-）-2-氨基丙酸Melting_point3%軟骨藻酸NaC1297℃（分解）；右旋（d-）體Melting_point295℃（分解）。左旋（l-）體的氫氯化物為棱形結(jié)晶體，Melting_point204℃（分解）；左旋（l-）體的N-乙酰基物結(jié)晶體Melting_point116℃；其N-苯基物結(jié)晶體Melting_point152-154℃。
熔點(diǎn):314-316℃
相對密度:-
溶解性:166.5 g/L （25℃）
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