工业原料
Industrial raw materials磷酸氢二铵(DAP)
Diammonium Phosphate
化学式：(NH4)2HPO4
Chemical formula：(NH4)2HPO4
分子量：132.0
Molecular weight：132.0
执行标准：HG/T4132-2010 (工业级）GB 30613-2014 (食品级）
Standard executed :HG/T4132-2010（Tech grade） GB 30613-2014 (Food grade）
性状：白色粒状晶体，相对密度为1.619，熔点155℃，易溶于水，不溶于醇，在空气中逐渐失去氨生成磷酸二氢铵。
Property：White crystal， Relative density is 1.619g/cm3, melting point is 155℃, easily soluble in water , insoluble in alcohol, PH value of 1%solution is 8.0
技术指标：Technical Specifications：
|
序号 No. |
指标名称 Specifications |
工业级 Tech grade |
食品级 Food grade |
|
1 |
主含量((NH4)2HPO4计) % ≥ Main content |
99 |
99 |
|
2 |
P2O5 % ≥ Phosphorus pentoxide |
53.0 |
53.0 |
|
3 |
氮 % ≥ Nitrogen, as N |
21.0 |
21.0 |
|
4 |
1%水溶液PH值 PH of 1% solution |
7.8-8.2 |
7.6-8.2 |
|
5 |
水不溶物 % ≤ Water insoluble |
0.1 |
0.1 |
|
6 |
水份(H2O) % ≤ Moisture |
0.2 |
0.2 |
|
7 |
氟化物（以F计） Fluoride, as F % ≤ |
/ |
0.001 |
|
8 |
重金属（以Pb计） Heavy metals, as Pb % ≤ |
0.005 |
0.001 |
|
9 |
砷（以As计） Arisenic, as As % ≤ |
0.005 |
0.0003 |
用途：主要用于木材、纸张、织物作防火剂，也用作防火涂料添加剂，同事也是生产高聚合度聚磷酸铵的的原料。 另外， 还可用于印刷制版和医药的制造，在食品工业中用作发酵剂、营养剂等。在农业上作为无氯型N、P、二元复合肥使用， 其总养分 （N+P2O5）为74%， 是配制N、P、K 三元复混肥的优质基础原料。
Uses：As a fire-prevention agent for fabric, timber and paper. Also as a raw maerials for ammonium polyphosphate of high polymerization. It may be used for makeding printing plates; in food industry it is mainly used as a fermentation agent, nourishment and so on; In agriculture, it is used as a high effective non-chloride N,P compound fertilizer and containing totally 74% fertilizer elements, it is often used as a basic raw material for N,P and K compound fertilizer.
包装：内塑外编，每袋净重25 Kg、 50Kg 、1000Kg，贮于通风干燥处。
Packing：Plastic woven bag. Net weight 25 Kg、 50Kg 、1000Kg , store at a cool, dry and well ventilated place.
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