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                产品中心
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                L-丙氨酸

                产品名称:

                L-丙氨酸

                中文别名:

                α-氨基丙酸;丙氨酸;L-氨基丙酸;L-初 陽正天油氨基酸;L-α-丝析氨酸;2-氨基丙酸;α-丙氨酸;L-丙胺酸

                英文名:

                L-Alanine

                分子式:

                C3H7NO2

                分子量:

                89.09

                CAS:

                56-41-7

                EINECS:

                200-273-8

                质量标准

                项 目

                标准AJI97

                性状

                白色结晶或结〒晶性粉末

                其他氨基酸

                不得检出

                酸度

                5.7-6.7

                鉴别

                呈正反应

                氯化物(以CL计)

                ≤0.02%

                干燥失重

                ≤0.20%

                灼烧残渣

                ≤0.10%

                重金属

                ≤0.001%

                含量

                98.5—101.0%

                产品说明

                无色至白色结晶性粉末,无臭。有甜味,甜度〓约为蔗糖的70%。溶于水,微溶于乙↘醇,不溶于乙▲醚。具有旋光性。外消旋型(dl-)氨基丙酸熔点295℃(分解),200℃时升华。左旋(l-)-2-氨基丙酸熔点297℃(分解);右旋(d-)体熔点295℃(分解)。左旋(l-)体的ξ 氢氯化物为棱形结晶体,熔点204℃(分解);左旋(l-)体的N-乙◇酰基物结晶体熔点116℃;其N-苯基物结晶体︼熔点152-154℃。