中文名 | DL-亮氨酸 |
英文名 | DL-Leucine |
别名 | DL-亮氨酸 DL-白氨酸 DL-亮氨酸(标准品) DL-2-氨基-4-甲基戊酸 |
英文别名 | DL-Leu leucine,dl DL-Leucine Leucine, DL- DL-LEUCINE BIOSYNTH A-AMINO-ISO-CAPROIC ACID 2-Amino-4-methylvalericacid DL-2-Amino-4-methylpentanoic acid (R,S)-2-Amino-4-methyl-pentanoicacid |
CAS | 328-39-2 |
EINECS | 206-328-2 |
化学式 | C6H13NO2 |
分子量 | 131.17 |
InChI | InChI=1/C6H13NO2/c1-4(2)3-5(7)6(8)9/h4-5H,3,7H2,1-2H3,(H,8,9) |
密度 | 1,293 g/cm3 |
熔点 | 293-296 °C (subl.) (lit.) |
沸点 | 225.8±23.0 °C(Predicted) |
比旋光度 | [α]D20 -3.0~+3.0゜ (c=4, HCl) |
闪点 | 90.3°C |
水溶性 | soluble |
蒸汽压 | 0.0309mmHg at 25°C |
溶解度 | 1 m HCl: 可溶 |
折射率 | 1.4630 (estimate) |
酸度系数 | pKa: 9.744(25°C) |
存储条件 | Keep in dark place,Inert atmosphere,Room temperature |
稳定性 | 稳定。与强氧化剂不相容。 |
外观 | 细结晶粉末 |
颜色 | White |
Merck | 14,5451 |
BRN | 636005 |
物化性质 | 细白色晶体或结晶性粉末。无臭,略有甜味。约于290℃熔化并分解。10%溶液的pH值为5.5~7.0。 |
MDL号 | MFCD00063087 |
危险品标志 | Xn - 有害物品 |
安全术语 | S22 - 切勿吸入粉尘。 S24/25 - 避免与皮肤和眼睛接触。 S36 - 穿戴适当的防护服。 |
WGK Germany | 3 |
TSCA | Yes |
海关编号 | 29224995 |
上游原料 | 二氧化碳 |
下游产品 | D-亮氨酸 |
参考资料 展开查看 | 1. 马长中, 罗章, 辜雪冬. 林芝砖红绒盖牛肝菌的营养成分分析及评价[J]. 食品科学, 2016, 37(024):124-129. 2. [IF=5.833] Yang Xuan et al."Open-tubular capillary electrochromatography with β-cyclodextrin-functionalized magnetic nanoparticles as stationary phase for enantioseparation of dansylated amino acids."Microchim Acta. 2019 Apr;186(4):1-8 3. [IF=4.759] Jingtang Li et al."Synthesis and application of ionic liquid functionalized β-cyclodextrin, mono-6-deoxy-6-(4-amino-1,2,4-triazolium)-β-cyclodextrin chloride, as chiral selector in capillary electrophoresis."J Chromatogr A. 2018 Jul;1559:178 4. [IF=4.556] Dandan Zhao et al."Physico-chemical properties and free amino acids profiles of six wolfberry cultivars in Zhongning."J Food Compos Anal. 2020 May;88:103460 5. [IF=4.379] Feng Lin et al."Chemical profile changes during pile fermentation of Qingzhuan tea affect inhibition of α-amylase and lipase."Sci Rep-Uk. 2020 Feb;10(1):1-10 6. [IF=4.35] Xiaomei Dai et al."1-Methylcyclopropene Preserves the Quality of Chive (Allium schoenoprasum L.) by Enhancing Its Antioxidant Capacities and Organosulfur Profile during Storage."Foods. 2021 Aug;10(8):1792 7. [IF=3.361] Ning Zhao et al."Ratiometric fluorescence probe of Cu2+ and biothiols by using carbon dots and copper nanoclusters."Rsc Adv. 2021 Oct;11(53):33662-33674 |
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