二乙烯三胺五甲叉膦酸（DTPMP）
Diethylene Triamine Penta（Methylene Phosphonic Acid）
別名：二乙烯三胺五亞甲基膦酸；DETPMP；二亞乙基三氨基五甲基磷酸；
二乙撐三胺五亞甲基膦酸
分子式： C9H28O15N3P5 分子量： 573.0
Molecular formula: C9H28O15N3P5 Molecular weight: 573.0
CAS 5827-60-8
結構式：
Structural formula:
1、性能 Performance
DTPMP是近幾年發展起來的一種新型有膦水處理劑。它的主要作用是抑制水垢的增長，兼有一定的緩蝕作用，與水混溶性好，對硫酸鈣、碳酸鈣有良好的阻垢作用，特別是高堿度下，對碳酸鈣有較好的阻垢作用。
DTPMP is new type of organic phosphorus water treatment agent developed in recent years. Its main effects are to inhibit scales and certain corrosion inhibition as well. It has good compatibility with water, and has good scale inhibition against calcium sulphate and calcium carbonate. Especially under high alkalinity, it has good scale inhibition against calcium carbonate.
2、用途 Usage
本品主要用于電廠、化工廠、化肥廠循環水系統中作為阻垢緩蝕劑。特別用于高硬度、高堿度、高PH循環水。本品還可作為過氧化物穩定劑和印染助劑。
DTPMP is widely used for scale and corrosion inhibitions in circulating water treatment in fields of power plant, chemical industry and fertilizer plant. It is specially used in circulating water with high hardness, high alkalinity and high pH value. It can also be used as peroxide stabilizer and dyeing & printing auxiliary.
3、質量指標 Quality index
外觀：紅棕色透明液體
Appearance: reddish brown transparent liquid
| 項目名稱 Item name | 指標 Index |
| 有效組分：% Active component: % | 48.0-52. |
| 密度：（20℃）g/cm3 ≥ Density: （20℃） g/cm3 ≥ | 1.40 |
| PH值（1％水溶液） ≤ Ph value （1% water solution） ≤ | 2.0 |
| 氯化物（以CI-計）% Chloride （as Cl-） % | 1.04-17.0 |
| 亞磷酸：（以PO33-計）% ≤ Phosphorous acid: （as PO33-） % ≤ | 5.0 |
4、使用方法 Usage
本品在循環冷卻水中單獨投加時，一般劑量2～10ppm，與HPMA按1：3比例復配后，可用于低壓鍋爐內水處理，也可與BTA，PAAS，鋅鹽等復配使用。
When used alone in the circulating cooling water, the dosage 2~10ppm is preferred. When built with HPMA by ratio ETDMP: HPMA=1:3, it can be used for low pressure boiler. It can also be built with BTA, PAAS and zinc salt.
5、包裝與貯存 Packing and storage
本品采用聚乙烯塑料桶包裝，每桶凈重25kg，或采用內襯聚乙烯塑料薄膜的鐵桶包裝，每桶凈重200kg，運輸時防止曝曬，貯存在干燥通風的庫房內，貯存期10個月。
Pack in 25kg net polyethylene （PE） plastic drum, or in 200kg net iron bucket with polyethylene （PE） inner-lining. Avoid insolation during transportation. Be stored for ten months in room dry and ventilatedplace.
