L-精氨酸
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别名：
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L-蛋白氨基酸;L-胍基戊氨酸;L-2-氨基-胍基戊酸;2-氨基-5-胍基戊酸
产品介绍
MSDS与安全信息
质检证书(CoA)
相关产品
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- 从水中析出的白色棱形结晶，含2分子结晶水。从乙醇中析出的为无水单斜片状结晶。溶于水，微溶于乙醇，不溶于乙醚。具强碱性，水溶液能从空气中吸收二氧化碳。水中溶解度: 148.7 g/l (20°C)
熔点:223-224 °C
[a]20/D:27.1° (c=8, 6N HCl)
含2分子结晶水的在105℃失水，230℃时变棕色，244℃时分解。水中最大吸收波长205nm(logε3.28)。
质量标准
外观Appearance白色结晶或结晶粉末
红外光谱鉴别Infrared spectrometry 和对照品匹配
纯度Purity>98.0 % （以干基计）
干燥损失Loss on drying<0.5 % (1 g, 105°C)
重金属Heavy metals (as Pb)<10 ppm
硫酸盐灰分Sulfated ash<0.1 %
比旋度Specific rotation [a]20/D +25.8° - +28.5°(c=8, 6 N HCl) 以干基计
痕量分析Trace analysis Type:
SO4< 200 ppm
Fe < 10 ppm
NH4< 100 ppm
Cl < 200 ppm
溶解性Appearance of solution (10% in water)无色透明
(备注：实际检测纯度均在99%以上）
贮存：密封干燥避光保存。
用途：一氧化氮合成酶底物，能转换为瓜氨酸和NO。靠一种依赖于NO的机制诱导胰岛素分泌。
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Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
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Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
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Strict Standards: Only variables should be passed by reference in /home/hualanchemlhfu9a8l2a2n4cshvetm/wwwroot/includes/cls_template.php on line 422
