中文名 | 尿刊酸 |
英文名 | 3-imidazol-4-ylacrylic acid |
别名 | 尿刊酸 4-咪唑丙烯酸 3-(4-咪唑)丙烯酸 3-(4-咪唑基)丙烯酸 3-(3H-咪唑基-4-基)丙烯酸 3-(3H-咪唑基-4-基)丙-2-烯酸 (2E)-3-(1H-咪唑基-4-基)丙烯酸 (E)-3-(1H-咪唑基-4-基)-2-丙烯酸 |
英文别名 | Urocanic acid 4-Imidazoleacrylic acid 1H-Imidazole-4-acrylic acid 1H-Imidazole-5-acrylic acid 3-imidazol-4-ylacrylic acid 3-(4-Imidazolyl)acrylic acid 3-(3H-imidazol-4-yl)acrylic acid (E)-3-(3H-imidazol-4-yl)acrylic acid 3-(1H-imidazol-4-yl)prop-2-enoic acid 3-(1H-imidazol-5-yl)prop-2-enoic acid (2E)-3-(1H-imidazol-5-yl)prop-2-enoate (E)-3-(1H-Imidazol-5-yl)-2-propenoic acid (2Z)-3-(1H-imidazol-5-yl)prop-2-enoic acid (2E)-3-(1H-imidazol-5-yl)prop-2-enoic acid 4-Imidazoleacrylic acid,3-(4-Imidazolyl)acrylic acid, Urocanic acid |
CAS | 104-98-3 |
EINECS | 203-258-4 |
化学式 | C6H6N2O2 |
分子量 | 138.12 |
InChI | InChI=1/C6H6N2O2/c9-6(10)2-1-5-3-7-4-8-5/h1-4H,(H,7,8)(H,9,10)/p-1/b2-1+ |
密度 | 1.3471 (rough estimate) |
熔点 | 226-228°C(lit.) |
沸点 | 253.51°C (rough estimate) |
闪点 | 230.1°C |
水溶性 | SLIGHTLY SOLUBLE |
蒸汽压 | 3.87E-09mmHg at 25°C |
溶解度 | 1.5g/l |
折射率 | 1.5100 (estimate) |
酸度系数 | 2.94±0.10(Predicted) |
存储条件 | Keep in dark place,Sealed in dry,2-8°C |
外观 | 粉末 |
颜色 | White to beige |
BRN | 81405 |
MDL号 | MFCD00005203 |
体外研究 | Urocanic acid (UCA) is formed in the upper layers of the epidermis where filaggrin, a histidine-rich filamentous protein produced after caspase-14 cleavage of profilaggrin, is broken down by proteinases into component amino acids. |
安全术语 | S22 - 切勿吸入粉尘。 S24/25 - 避免与皮肤和眼睛接触。 |
WGK Germany | 3 |
RTECS | NI3425200 |
海关编号 | 29332990 |
Hazard Class | IRRITANT |
上游原料 | 盐酸 甲醛 D-果糖 L-组氨酸 |
下游产品 | 甲基3-(1H-咪唑-4-基)丙酸酯盐酸盐 |
参考资料 展开查看 | 1. [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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