一、化学名：磷酸脲
二、分子式：h3po4·co(nh2)2
三、分子量：158.056
四、cas： 4861-19-2
五、性能：外观为白色或无色的透明结晶体，极易溶于水，不溶于有机溶剂。熔点为117.3℃，水溶液呈强酸性，1%水溶液ph值为1.89，热稳定性小，受热易发生分解反应。
六、用途：优良的饲料添加剂，为牲畜提供磷和非蛋白氮（尿素态氮）两种营养元素，安全性比尿素高。它还是一种高浓度氮磷复合肥料（总养分元素62%），适用于碱性土壤。除用作饲料、肥料外，还可以用作阻燃剂，金属表面处理剂、发酵营养剂、清洗剂及净化磷酸用助剂等。
七、包装：内衬聚乙烯塑料袋，外套复合塑料编织袋包装，每袋净重25kg。
八、贮存与运输： 本品应贮存在干燥通风清洁的库房中，装载运输时要轻装轻放，防止包装破损，防止受潮、受热，运输过程中防止雨淋受潮，应与有毒物品隔离。
| 质量指标 | specification | gb/t27805-2011 | ny/t917-2004饲料级 | |
| 工业级 | 一级 | 二级 | ||
| 含量（p2o5），w/% ≥ | content(p2o5),w/% ≥ | 44.0 | ——— | ——— |
| ph值（10g/l溶液） ≤ | ph value (10g/l solution ) ≤ ≤≤ | 1.6-2.4 | 2.0 | 2.0 |
| 总磷（p），w/% ≥ | total phosphorus(p),w/% ≥ | ——— | 19 | 18.5 |
| 总氮（n），w/% ≥ | total nitrogen(n),w/% ≥ | 17 | 17 | 16.5 |
| 水分，w/% ≤ | moisture,w/% ≤ | ——— | 3 | 4 |
| 水不溶物，w/% ≤ | insoluble substances,w/% ≤ | 0.1 | 0.5 | 0.5 |
| 氟（f），w/% ≤ | fluoride(f),w/% ≤ | 0.05 | 0.18 | 0.18 |
| 砷（as），w/% ≤ | arsenic(as),w/% ≤ | 0.01 | 0.002 | 0.002 |
| 铅（pb），w/% ≤ | lead(pb),w/% ≤ | ——— | 0.003 | 0.003 |
| 重金属（以pb计），w/% ≤ | heavy metal (as pb),w/% ≤ | 0.003 | ——— | ——— |
| 干燥减量，w/% ≤ | loss on drying,w/% ≤ ≤ | 0.5 | ——— | ——— |
1、chemical name: urea phosphate
2、molecular formula: h3po4·co(nh2)2
3、molecular weight: 158.056
4、cas: 4861-19-2
5、character: it’s white granular crystal，easily soluble in water, insoluble in organic solvent. melting point is 117.3℃, the aqueous solution is strong acidity, the ph of 1% aqueous solution is 1.89. it is easily decomposed when heated because of the low heat stability.
6、usage:it can be used as feed ingredient which can provide the element phosphorus and non protein nitrogen, it is more safe than urea. it is a kind of high concentration nitrogen and phosphorus compound fertilizer(total nutrition assay is 62%), it is apply to the alkaline soil. it can be used as fire retardant, metal surface ingredient, fermentation nutrient, detergent and purification agent of phosphorus.
7、packing: it is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. the net weight of each bag is 25kg.
8、storage & transportation: it should be stored in a dry and ventilative warehouse, kept away from heat
and moisture during transportation, unloaded with care so as to avoid damage. furthermore, it must be
stored separately from poisonous substances.