EDTA-4Na (乙二胺四乙酸四钠)
名称:乙二胺四乙酸四钠(EDTA-4Na)
英文名:Ethylene diamine tetraacetic acid tetrasodium salt
分子式:C10H12N2O8Na4•4H2O
分子量:M=452.23
CAS号:13254-36-4
性状:白色结晶性粉末。溶于水,能与多种金属离子螯合。
质量指标:(Q/24SJK02-2009质量标准)
检验项目 标准指标
含量(以452.2计)% ≥99.0
氯化物(以Cl计)% ≤ 0.01
硫酸盐(以SO4计)% ≤ 0.05
重金属(以Pb计)% ≤ 0.001
铁(以Fe计)% ≤ 0.001
螯合值:mgCaCO3/g ≥ 220
PH值 10.5-11.5
NTA% ≤1.0
堆积密度kg/m3 700-950
外观: 白色结晶粉末
包装:25kg/袋或按客户要求进行包装。
贮存:存放于干燥通风的库房内,避免阳光直射,轻堆轻放。
Ethylene diamine tetraacetic acid tetrasodium salt (ETDA-4NA)
English name:Ethylene diamine tetraacetic acid tetrasodium salt (ETDA-4NA)
Molecular Fomula: C10H12N2O8Na4•4H2O
Molecular weight: M=452.23
CAS No.: 13254-36-4
Properties: white crystal powder soluble in water, and chelation with a variety of metal ion.
Quality Index: (Q/24SJK02-2009 Quality standard)
Content(as 452.2)% ≥99.0
Chloride(Cl)% ≤ 0.01 %
Sulfate(SO4)% ≤ 0.05 %
Metal chelate(Pb)% ≤ 0.001 %
Iron(Fe)% ≤ 0.001 %
Chelate: mgCaCO3/g 220 min
pH Value(10g/L,25℃) 10.5-11.5
NTA% ≤1.0
Bulk density kg/m3 700-950
Appearance white crystal powder
Packing: 25KG/bag , or according to the customers’demand
Storage: Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and put down。