乙二胺四甲叉膦酸钠（EDTMPS）
Ethylene diamine tetra (methylene phosphonic acid) sodium
●(1) 分子量和化学结构式：Molecular Weight & Chemical Structure
| C6H12O12N2P4Na8 | 612.0 |
O |
O |
||||||||||
| ‖ | ‖ | ||||||||||||
| (NaO)2 |
P |
-CH2 | CH2- |
P |
(ONa)2 | ||||||||
| \ | ∕ | ||||||||||||
| N-CH2-CH2-N | |||||||||||||
| ∕ | \ | ||||||||||||
| (NaO)2 |
P |
-CH2 | CH2- |
P |
(ONa)2 | ||||||||
| ‖ | ‖ | ||||||||||||
|
O |
O |
●(2) 性能：Properties
可与水混溶。在200℃以下具有较好钙垢作用。对碳酸钙垢阻垢效果更好，并具有良好的分散性和缓蚀性，热稳定性。
● (3) 规格：Specification
|
外 观 Appearance |
黄棕色透明液体Clear yellow to amber solution |
|
活性组份（EDTMP）含量Active content |
28~30% |
|
有机膦（以P计）含量Phosphoric (as PO4) |
≥3.3% |
|
亚磷酸（以PO3计）含量Phosphorous (as PO33-) |
≤5.0% |
|
磷酸（以PO4计）含量Phosphate (as PO43-) |
≤2.0% |
|
氯化物（以Cl-计）含量Chloride (as Cl-) |
≤6.0% |
|
乙二胺含量 Ethylene dimine |
≤0.08% |
|
pH（1%水溶液）(1% water solution) |
9.5~10.5 |
|
密 度Density(20℃ g/cm3) |
1.3~1.4 |
●(4)用途：Use
循环冷却水和锅炉水的阻垢缓蚀剂，无氰电镀的络合剂，印染工业软水剂。
●(5)包装和储存：Packing & Storage
200Kg或25Kg塑料桶装，储存期为二年。
In 200Kg or 25Kg plastic drums, storage is two years.