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Nitrilotriacetic acid

Cas:
139-13-9
Molecular Structure:
MDL:
--MFCD00004287
Molecular Formula:
C6H9NO6;N(CH2COOH)3
Molecular Weight:
191.14
Alias:
氨三乙酸、次氮基三乙酸、次氨基三乙酸、特里隆A Triglycollamic Acid N,N-Bis(carboxymethyl)glycine NTA Tris(carboxymethyl)amine Triglycine
Product order:
Name Specifications Packing Price Delivery
Nitrilotriacetic acid CP 250g RMB 57.2 Consulting service
Nitrilotriacetic acid AR 250g RMB 63.8 Consulting service
Character:
白色结晶状粉末,不溶于水,溶于氨水或氢氧化物的溶液中,溶于大多数有机溶剂。水中溶解度:1.28 g/L (22.5°C)。
熔点:  245℃
Quality Standard:
   
   HG/T 3-1299-80
项目Item                                                   分析纯
                                                            (AR)
含量(C6H9NO6)Assay,%                                     ≥ 98.5
络合力试验Compiex test                                      合格
氨水中溶解试验Solubility in ammonia solution                合格
灼烧残渣(以硫酸盐计)Ignition residue,%                 ≤ 0.10
氯化物(Cl)Chloride,%                                     ≤ 0.002
硫酸盐(SO4)Sulfate,%                                    ≤ 0.002
铁(Fe)Iron,%                                            ≤ 0.002
铜(Cu)Copper,%                                           ≤ 0.0005

ACS级
项目名称Item                                            ACS Grade
含量[N(CH2COOH)3]Assay                                   ≥99.8%
澄清度Claroty of solution                                Passes test

Storage:
密封保存。
用途  络合剂,常用于钙、镁、铁等阳离子的测定,金属掩蔽剂。
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