簡介,Properties:,Specification:,Package and Storage:,
簡介
EDTMP·Na5 乙二胺四甲叉膦酸五鈉 EDTMP·Na5
Ethylene Diamine Tetra (Methylene Phosphonic Acid) Pentasodium Salt (EDTMP?Na5)
CAS No. 7651-99-2 分子式: C6H15O12N2P4Na5 Molecular weight: 409 結構式:
一、產品性能
EDTMP·Na5是中性產品， EDTMP·Na5是含氮有機多元膦酸鹽，屬陰極型緩蝕劑。能與水混溶，無毒無污染，化學穩定性及耐溫性好，在200℃下仍有良好的阻垢效果。在水溶液中能離解成8個正負離子，因而可以與多個金屬離子螯合，形成多個單體結構大分子網狀絡合物，鬆散地分散於水中，使鈣垢正常結晶破壞。EDTMP鈉鹽對硫酸鈣、硫酸鋇垢的阻垢效果好。
EDTMP·Na5用於循環水和鍋爐水的緩蝕阻垢劑、無氰電鍍的絡合劑、印染工業軟水劑、電廠冷卻水處理等。
EDTMP·Na5作為固體產品具有輕微吸潮性，方便運輸和在寒冷條件下使用。
二、質量指標
三、包裝與貯存
EDTMP?Na5液體用塑膠桶包裝，每桶25kg或250kg， EDTMP?Na5固體用內襯聚乙烯袋的塑膠袋包裝，每袋淨重20Kg或根據用戶需要確定。貯於室內陰涼、乾燥處，防潮。貯存期十二個月。
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CAS No. 7651-99-2 Molecular Formula: C6H15O12N2P4Na5 Molecular weight: 409 Structural Formula:
Properties:
EDTMP·Na5 is a neutral solid product. It is nitrogenous organic polyphosphonic acid, which is a part of cathodic corrosion inhibitor. EDTMP·Na5 can be fully dissolved in water, innocuous and none pollution to environment, has good chemical stability and thermal tolerance. EDTMP·Na5 has good scale inhibition property under temperature 200℃. EDTMP·Na5 can dissociate into 8 positive-negative ions, thus can chelate with more than two metal ions to form more than two polymer reticulation complex, the complex can be quickly dissolved in water to destroy the normal crystallization of calcium scale. EDTMP·Na5 shows better scale inhibition effects to calcium sulfate and barium sulfate. EDTMP·Na5 can be used as scale and corrosion inhibitor for circulating water and boiler water system, chelating agent in non-cyanide electroplating, water-softening agent in dyeing industry, etc. The solid state EDTMP·Na5 is slightly easy to deliquescence, convenient in transportation and suitable for usage in winter and freezing districts.
Specification:
items | index | |
Appearance | Amber transparent liquid | White powder |
Active content (EDTMP·5Na)% 30.0-32.5 | 81.4 min | |
Active content (EDTMPA)% | 24.0-26.0 | 65.0 min |
Chloride (Cl) % | 2.0 max | 2.0 max |
Density (20℃) g/cm3 | 1.25 max | -- |
Fe(Fe3+)ppm | 20 max | 20 max |
PH (1% water solution) | 6.0-8.0 | 6.0-8.0 |
Package and Storage:
For liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required. Storage for ten months in room shady and dry place. For solid: inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients. Storage for one year in room shady and dry place.
