中文名 | DL-组氨酸 |
英文名 | DL-Histidine, Free Base |
别名 | DL-组氨酸 DL-组织氨基酸 DL-组氨酸自由基 DL-组氨酸(标准品) (±)-2-氨基-3-(4-咪唑基)丙酸 2-氨基-3-(1H-咪唑-4-基)丙酸 DL-2-氨基-3-(1H-咪唑-4-基)丙酸 |
英文别名 | H-DL-His-OH DL-Histdine DL-Histidine Polyhistidine DL-Histidine 0 hydrogen histidinate histidine, homopolymer 1H-Imidazole-4-alanine DL-Histidine, Free Base H-DL-His-OH (DL-Histidine rac-(R*)-2-Amino-3-(4-imidazolyl)propionic acid |
CAS | 4998-57-6 |
EINECS | 225-660-9 |
化学式 | C6H9N3O2 |
分子量 | 155.15 |
InChI | InChI=1/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11) |
密度 | 1.3092 (rough estimate) |
熔点 | 273°C (dec.)(lit.) |
沸点 | 278.95°C (rough estimate) |
闪点 | 231.3°C |
蒸汽压 | 3.25E-09mmHg at 25°C |
溶解度 | 0.5 M HCl: 可溶 |
折射率 | 1.6500 (estimate) |
酸度系数 | 1.8(at 25℃) |
存储条件 | Keep in dark place,Inert atmosphere,Room temperature |
外观 | 粉末或结晶 |
颜色 | White to Almost white |
Merck | 14,4720 |
BRN | 7800 |
物化性质 | 白色或无色结晶状物质,无臭,味甜;易溶于水,不溶于乙醇、氯仿和乙醚等有机溶剂;分解点为287℃。 |
MDL号 | MFCD00005208 |
危险品标志 | Xn - 有害物品 |
风险术语 | R22 - 吞食有害。 R36/37/38 - 刺激眼睛、呼吸系统和皮肤。 |
安全术语 | S22 - 切勿吸入粉尘。 S24/25 - 避免与皮肤和眼睛接触。 S36/37 - 穿戴适当的防护服和手套。 S26 - 不慎与眼睛接触后,请立即用大量清水冲洗并征求医生意见。 |
WGK Germany | 3 |
海关编号 | 29339900 |
下游产品 | 烯丙基脲 |
参考资料 展开查看 | 1. Qu, Fei, et al. "Fluorescent Detection of 2, 4-Dichlorophenoxyacetic Acid in Food Samples Based on Covalent Organic Frameworks and MnO 2 Nanosheets." Food Analytical Methods 13.10 (2020): 1842-1851.https://doi.org/10.1007/s12161-020-01807-2 2. [IF=5.923] Cuihua Chen et al."Variations in Physiology and Multiple Bioactive Constituents under Salt Stress Provide Insight into the Quality Evaluation of Apocyni Veneti Folium."Int J Mol Sci. 2018 Oct;19(10):3042 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=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 6. [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 7. [IF=3.935] Min Zhang et al."Chemical profile and miscarriage prevention evaluation of Jiao-ai decoction, a classical traditional Chinese formula."JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS. 2022 May;:114832 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 9. [IF=5.82] Jiaqi Wu et al."Role of microbial metabolites of histidine in the development of colitis."MOLECULAR NUTRITION & FOOD RESEARCH |
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