2,4,6-Tris(2-pyridyl)-s-triazine
Molecular Structure:
MDL:
--MFCD00006045
Molecular Formula:
C18H12N6
Molecular Weight:
312.33
Alias:
2,4,6-Tri(2-pyridyl)-s-triazine
TPTZ
2,4,6-Tri(2-pyridyl)-1,3,5-triazine
2,4,6-Tris(2-pyridyl)-1,3,5-triazine
Product order:
Name |
Specifications |
Packing |
Price |
Delivery |
2,4,6-Tris(2-pyridyl)-s-triazine |
99% |
5g |
RMB 1298 |
Consulting service |
2,4,6-Tris(2-pyridyl)-s-triazine |
99% |
1g |
RMB 418 |
Consulting service |
Character:
白色或淡黄色晶体状粉末,TPTZ不溶于水(0.03 g/100 ml)和有机溶剂,但是易溶于乙醇和稀酸pKa为3.1(µ=0.1 mol/l KCL,25℃)。
Quality Standard:
外观Appearance 黄色粉末
红外光谱鉴别Infrared spectrometry 符合
熔点Melting point 248°C - 252°C
纯度Purity ≥99.0% (非水滴定)
醇溶性实验Solubility in Methanol 100 mg/mL
水分Water <0.5 % (K.F.)
硫酸盐灰分Sulfated ash <0.1 %
测铁灵敏性实验determination of iron 合格
Storage:
储存温度: 2-8°C
用途 光度法测铁Fe(II) 和总铁。
Fe2+复合物的颜色在pH 3.4-5.8(1:2,logK=20.4)时呈红紫色,TPTZ可被用作Fe的金属指示剂。但是TPTZ与Co、Cu、Ni这些金属离子也会显色,因此不能用作Fe的选择性比色试剂,如果存在大量的Co、Cu、Ni离子,会妨碍检测。除了血清和锅炉水里面的Fe离子以外,也有报道可以定量玻璃、煤炭、高纯度的各种金属、酒、维生素E等样品中的Fe。
熔点:247-249℃
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