次氮基三乙酸/Nitrilotriacetic acid/NTA/氨三乙酸,≥99.0% (T)
- 产品编号：N0111
- 中文名称：次氮基三乙酸/Nitrilotriacetic acid/NTA/氨三乙酸
- 英文名称：Tris(carboxymethyl)amine
- 英文别名:N,N-Bis(carboxymethyl)glycine
- CAS号:139-13-9
- 分子式:N(CH2COOH)3
- 分子量:191.14
- 纯度:≥99.0% (T)
- EC号:205-355-7
- MDL号:MFCD00004287
订货信息：
产品规格价格(RMB)
- N0111-100G150
- N0111-5x100G400
性能描述
| 试剂级别 | 分子生物学试剂， 也可用于滴定 |
| 试剂纯度 | ≥99.0% (T) |
| impurities | insoluble matter, passes filter test |
| ign. residue | ≤0.05% |
| loss | ≤0.1% loss on drying, 110 °C |
| mp | 245 °C (dec.)(lit.) |
| solubility | 0.1 M NaOH: soluble0.1 M at 20 °C, clear, colorless |
| anion traces | chloride (Cl-): ≤100 mg/kg |
Application
An excellent chelating agent.
Chelating agent; As Pb2+ buffer, preparation and properties; In a mixture of Ca2+-buffering ligands; Encapsulation of radioactive metal ions in liposomes; Compilation and critical evaluation by IUPAC of published data on stability constants of NTA complexes in solution.
用途：本品为金属络合剂，分析上广泛用于络合金属离子和分离金属；用作金属离子的螯合剂，广泛用于纺织印染和制皂工业，电镀行业。
白色结晶性粉末。
易燃。溶点246~249度。
且于些温下分解。溶于氮水和碱溶液，微溶于热水，不溶于水和多数有机溶剂。能与各种金属离子形成络合物。1.28g本品溶于1L25度的水中，本品饱和溶液的PH值为2.3。20度测得的酸度常数如下：pK1=3.03、pK2=3.07、pK3=10.70.
中文名称:次氮基三乙酸
中文别名:NTA;氮川三乙酸;氨基三乙酸;次氨基三乙酸;N,N-二(羧甲基)甘氨酸;氮三乙酸;氮基三乙酸;氮川三乙酸氨羧络合剂I;络合剂I;特里隆A;托立龙A;氨三乙酸
英文名称:Nitrilotriacetic acid
英文别名:alpha,alpha,alpha-trimethylaminetricarboxylic acid; aminotriacetic acid; chel 300; hampshire nta acid; nitrilo-2,2,2-triacetic acid; N,N-bis(carboxymethyl)glycine; NTA; Complexon I; titriplex i; tri(carboxymethyl)amine; triglycine;[1]triglycollamic acid; Trilone A; versene nta acid; ai3-52483; chel300; complexoni; Glycine,N,N-bis(carboxyme; hampshirentaacid; komplexoni; kyselinanitrilotrioctova; kyselinanitrilotrioctova(czech)
