白色结晶性粉末。mp240~241℃(分解)。溶于氢氧化钠、碳酸钠和氨水,不溶于一般有机溶剂。20℃时水中溶解度为0. 2g/lOOg。温度达到150℃时则脱除羧基。
在乙二胺四乙酸和水中,搅拌下加入30%氢氧化钠溶液,加热至全部反应,加盐酸至pH值为4.5,经浓缩、过滤、冷却结晶、洗涤、干燥得乙二胺四乙酸。
络合试剂。用作金属离子络合剂和分离用的掩蔽剂、洗涤剂、血液抗凝剂及农业化学喷雾剂。
中文名 | 乙二胺四乙酸 |
英文名 | Ethylenediaminetetraacetic acid |
别名 | 乙底酸 依地酸 维尔烯酸 乙二胺四乙酸 乙二胺四乙酸(EDTA) |
英文别名 | EDTA EDTA ACID Edetic acid EDTA-SOLUTION Ethylenediaminetetraacetic acid Ethylene diamine tetraacetic acid EDTA, 500 mM Solution, pH 8.0,ULTROL Grade 3,4-diamino-3,4-bis(carboxymethyl)hexanedioic acid EDTA, free acid Ethylenediamine tetraacetic acid, free acid 2,2'-{ethane-1,2-diylbis[(carboxymethyl)imino]}diacetate (non-preferred name) |
CAS | 60-00-4 |
EINECS | 200-449-4 |
化学式 | C10H16N2O8 |
分子量 | 292 |
InChI | InChI=1/C10H16N2O8/c11-9(1-5(13)14,2-6(15)16)10(12,3-7(17)18)4-8(19)20/h1-4,11-12H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20) |
密度 | 1.628g/cm3 |
熔点 | 237-245℃ (dec.) |
沸点 | 540.597°C at 760 mmHg |
闪点 | 280.743°C |
水溶性 | 0.5 g/L (25℃) |
蒸汽压 | 0mmHg at 25°C |
溶解度 | 25℃时在水中的溶解度为0·5g/L。不溶于冷水、醇和一般有机溶剂。溶于氢氧化钠、碳酸钠和氨溶液。 |
折射率 | 1.603 |
存储条件 | Room Temprature |
外观 | 白色结晶 |
物化性质 | 性状 从水中结晶析出的本品为白色粉末。 溶解性 25℃时在水中的溶解度为0.5g/L。不溶于冷水、醇和一般有机溶剂。溶于氢氧化钠、碳酸钠和氨溶液。 |
产品用途 | 用作染色助剂、纤维处理剂、化妆品添加剂、血液抗凝剂、水处理剂、橡胶聚合引发剂、PVC热稳定剂等 |
MDL号 | MFCD00003541 |
危险品标志 | Xi - 刺激性物品 |
风险术语 | R36/37/38 - 刺激眼睛、呼吸系统和皮肤。 |
安全术语 | 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。 S37/39 - 戴适当的手套和护目镜或面具。 |
上游原料 | 甲醛 硫酸 氢氧化钠 乙亚胺 |
下游产品 | 乙二胺四乙酸铁钠 乙二胺四乙酸二钠 乙二胺四乙酸 L-酪氨酸 |
参考资料 展开查看 | 1. 刘连军, 黎萍, 李恒锐,等. 木薯朱砂叶螨抗阿维菌素品系选育及其解毒酶活性变化[J]. 江苏农业科学, 2018, 046(023):94-97. 2. 罗政, 郭媛媛, 陈飞平,等. 高氧气调包装抑制菜心木质化关键酶苯丙氨酸酶的研究[J]. 食品研究与开发, 2019, 40(08):36-40. 3. 章宁瑛, 郜海燕, 陈杭君. 臭氧处理对蓝莓贮藏品质及抗氧化酶活性的影响[J]. 中国食品学报, 2017, 17(008):170-176. 4. 李彤, 赵娜, 史雨,等. 维生素C纳米乳处方优化及其经皮渗透性[J]. 沈阳药科大学学报, 2018(7). 5. 米欢 包立军. 不同茧色蚕丝酶解产物抗氧化活性差异研究[J]. 农业科学研究 2017(3). 6. He, Baoshan, et al. "Aptamer-based thin film gold electrode modified with gold nanoparticles and carboxylated multi-walled carbon nanotubes for detecting oxytetracycline in chicken samples." Food chemistry 300 (2019): 125179.https://doi.org/10.1016/j.foodc 7. Aitang Zhang, Aihua Li, Wei Zhao, Guowen Yan, Bingping Liu, Mengli Liu, Meixiu Li, Bingbing Huo, Jingquan Liu,An efficient and self-guided chemo-photothermal drug loading system based on copolymer and transferrin decorated MoS2 nanodots for dually control 8. Aitang Zhang, Aihua Li, Wei Zhao, Guowen Yan, Bingping Liu, Mengli Liu, Meixiu Li, Bingbing Huo, Jingquan Liu,An efficient and self-guided chemo-photothermal drug loading system based on copolymer and transferrin decorated MoS2 nanodots for dually control 9. Zhang, Aitang, et al. "A Target‐Directed Chemo‐Photothermal System Based on Transferrin and Copolymer‐Modified MoS2 Nanoplates with pH‐Activated Drug Release." Chemistry–A European Journal 23.47 (2017): 11346-11356.https://doi.org/10.1002/chem.201701916 10. Yang, Hui, et al. "Intestinal absorption mechanisms of araloside A in situ single-pass intestinal perfusion and in vitro Caco-2 cell model." Biomedicine & Pharmacotherapy 106 (2018): 1563-1569.https://doi.org/10.1016/j.biopha.2018.07.117 11. Li, Guozhuan, et al. "Comparison of the chromatographic fingerprint, multicomponent quantitation and antioxidant activity of Salvia miltiorrhiza Bge. between sweating and nonsweating." Biomedical Chromatography 32.6 (2018): e4203.https://doi.org/10.1002/bm 12. Zhang, Li‐Ping, et al. "Effects of 1‐methylcyclopropene on the Metabolic Pathways of Aroma‐Related Compounds in N anguo Pear." Journal of Food Processing and Preservation 38.4 (2014): 1749-1758.https://doi.org/10.1111/jfpp.12138 13. [IF=13.273] Aitang Zhang et al."An efficient and self-guided chemo-photothermal drug loading system based on copolymer and transferrin decorated MoS2 nanodots for dually controlled drug release."Chem Eng J. 2018 Jun;342:120 14. [IF=4.952] Tahidul Islam et al."Phenolic profiles, antioxidant capacities and metal chelating ability of edible mushrooms commonly consumed in China."Lwt Food Sci Technol. 2016 Oct;72:423 15. [IF=4.759] Liai Lan et al."Fast and direct determination of catechol-3, 6-bis(methyleiminodiacetic acid) prototype in beagle dog plasma using liquid chromatography tandem mass spectrometry: A simplified and high throughput in-vivo method for the metal chelator."J Ch 16. [IF=4.545] Hui Yang et al."Intestinal absorption mechanisms of araloside A in situ single-pass intestinal perfusion and in vitro Caco-2 cell model."Biomed Pharmacother. 2018 Oct;106:1563 17. [IF=2.986] Song Xinfeng et al."In Vitro Safety Evaluation and In Vivo Imaging Studies of Superparamagnetic Iron Oxide Nanoparticles through Biomimetic Modification."J Nanomater. 2019;2019:9827625 18. [IF=2.19] Li-Ping Zhang et al."Effects of 1-methylcyclopropene on the Metabolic Pathways of Aroma-Related Compounds in Nanguo Pear."J Food Process Pres. 2014 Aug;38(4):1749-1758 19. [IF=1.902] Guozhuan Li et al."Comparison of the chromatographic fingerprint, multicomponent quantitation and antioxidant activity of Salvia miltiorrhiza Bge. between sweating and nonsweating."Biomed Chromatogr. 2018 Jun;32(6):e4203 20. [IF=12.479] Ziying Fei et al."Physiologically triggered injectable red blood cell-based gel for tumor photoablation and enhanced cancer immunotherapy."Biomaterials. 2021 Apr;271:120724 21. [IF=7.514] Baoshan He et al."Aptamer-based thin film gold electrode modified with gold nanoparticles and carboxylated multi-walled carbon nanotubes for detecting oxytetracycline in chicken samples."Food Chem. 2019 Dec;300:125179 22. [IF=7.514] Hongxia Tan et al.Zein structure and its hidden zearalenone: Effect of zein extraction methods.Food Chem. 2021 Nov;:131563 23. [IF=4.813] Zhao Puying et al."Characterization and heterologous expression of a novel Co2+-dependent leucyl aminopeptidase Amp0279 originating from Lysinibacillus sphaericus."Appl Microbiol Biot. 2022 Feb;106(3):1139-1149 |
白色结晶性粉末。mp240~241℃(分解)。溶于氢氧化钠、碳酸钠和氨水,不溶于一般有机溶剂。20℃时水中溶解度为0. 2g/lOOg。温度达到150℃时则脱除羧基。
在乙二胺四乙酸和水中,搅拌下加入30%氢氧化钠溶液,加热至全部反应,加盐酸至pH值为4.5,经浓缩、过滤、冷却结晶、洗涤、干燥得乙二胺四乙酸。
络合试剂。用作金属离子络合剂和分离用的掩蔽剂、洗涤剂、血液抗凝剂及农业化学喷雾剂。
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