中文名 | DL-缬氨酸 |
英文名 | DL-Valine |
别名 | DL-缬氨酸 DL-异戊氨酸 DL-氨基异缬草酸 DL-2-氨基异戊酸 DL-穿心排草氨基酸 DL-A-氨基异戊酸 DL-2-氨基-3-甲基丁酸 |
英文别名 | DL-VAL DL-Valine FEMA 3444 H-DL-VAL-OH H-DL-Val-OH Valine, DL- DL-α-Aminoisovaleric acid DL-alpha-Aminoisovaleric acid DL-2-Amino-3-methylbutyric acid (R,S)-2-Amino-3-methyl-butyricacid (±)-α-Aminoisovaleric acid, DL-2-Amino-3-methylbutanoic acid |
CAS | 516-06-3 |
EINECS | 208-220-0 |
化学式 | C5H11NO2 |
分子量 | 117.15 |
InChI | InChI=1/C5H11NO2/c1-3(2)4(6)5(7)8/h3-4H,6H2,1-2H3,(H,7,8) |
密度 | 1.31 |
熔点 | 295 °C (dec.) (lit.) |
沸点 | 213.6±23.0 °C(Predicted) |
比旋光度 | -0.6~+0.6° (20℃/D)(c=8, HCl) |
闪点 | 83°C |
水溶性 | 68 g/L |
蒸汽压 | 0.0633mmHg at 25°C |
JECFA Number | 1426 |
溶解度 | 水 (轻微,超声处理) |
折射率 | 1.4650 (estimate) |
酸度系数 | pK1:2.32(+1);pK2:9.61(0) (25°C) |
存储条件 | Keep in dark place,Inert atmosphere,Room temperature |
敏感性 | Easily absorbing moisture |
外观 | 结晶性粉末 |
颜色 | White |
气味 | Odorless |
Merck | 14,9909 |
BRN | 506689 |
物化性质 | 白色结晶或结晶性粉末,有特殊味;溶于水,不溶于冷乙醇、乙醚和丙酮;加热升华,分解点约298℃(封管)。 |
MDL号 | MFCD00004267 |
危险品标志 | Xn - 有害物品 |
风险术语 | 40 - 少数报道有致癌后果。 |
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 |
RTECS | YV9355500 |
TSCA | Yes |
海关编号 | 29224995 |
上游原料 | 异丁醛 萘啶酸 |
下游产品 | 1,1,1-三氟-3-甲基丁烷-2-氨基 伐昔洛韦 |
参考资料 展开查看 | 1. [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 2. [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 3. [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 4. [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 5. [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 6. [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 7. [IF=4.242] Hang Yang et al."Dietary leucine requirement of juvenile largemouth bass (Micropterus salmoides) based on growth, nutrient utilization and growth-related gene analyses."Aquaculture. 2022 Jun;555:738207 8. [IF=3.463] Xiaomei Dai et al."S-alk(en)ylcysteine sulfoxides biosynthesis and free amino acids profile in different parts of postharvest chive (Allium schoenoprasum L.)."SCIENTIA HORTICULTURAE. 2022 Sep;303:111191 |
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