2 4 6-Tri(2-pyridyl)-s-triazine（CAS# 3682-35-7)
| Hazard Symbols | Xi – Irritant |
| Risk Codes | 36/37/38 – Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing. S37/39 – Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| RTECS | XZ2050000 |
| TSCA | Yes |
| HS Code | 29336990 |
Introduction
This product can be used for scientific research experiments in related fields. Photometric measurement of iron Fe(II) and total iron. The color of Fe2 + complex is reddish purple at pH 3.4-5.8(1:2,logK = 20.4), and TPTZ can be used as a metal indicator of Fe. However, TPTZ and metal ions such as Co, Cu and Ni will also color, so it cannot be used as a selective colorimetric reagent for Fe. If there are a large number of Co, Cu and Ni ions, it will hinder the detection. In addition to Fe ions in serum and boiler water, there are also reports that Fe in samples such as glass, coal, high-purity metals, wine, and vitamin E can be quantified.
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