一、化學(xué)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：外觀為白色或無色的透明結(jié)晶體，極易溶于水，不溶于有機(jī)溶劑。熔點為117.3℃，水溶液呈強(qiáng)酸性，1%水溶液pH值為1.89，熱穩(wěn)定性小，受熱易發(fā)生分解反應(yīng)。
六、用途：優(yōu)良的飼料添加劑，為牲畜提供磷和非蛋白氮（尿素態(tài)氮）兩種營養(yǎng)元素，安全性比尿素高。它還是一種高濃度氮磷復(fù)合肥料（總養(yǎng)分元素62%），適用于堿性土壤。除用作飼料、肥料外，還可以用作阻燃劑，金屬表面處理劑、發(fā)酵營養(yǎng)劑、清洗劑及凈化磷酸用助劑等。
七、包裝：內(nèi)襯聚乙烯塑料袋，外套復(fù)合塑料編織袋包裝，每袋凈重25kg。
八、貯存與運輸：?本品應(yīng)貯存在干燥通風(fēng)清潔的庫房中，裝載運輸時要輕裝輕放，防止包裝破損，防止受潮、受熱，運輸過程中防止雨淋受潮，應(yīng)與有毒物品隔離。
| 質(zhì)量指標(biāo) | Specification | GB/T27805-2011 | NY/T917-2004飼料級 | |
| 工業(yè)級 | 一級 | 二級 | ||
| 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 |
| 總磷（P），w/%????????????≥ | Total phosphorus(P),w/%??≥ | ——— | 19 | 18.5 |
| 總氮（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 |
| 鉛（Pb），w/%?????????????≤ | Lead(Pb),w/%???????????≤ | ——— | 0.003 | 0.003 |
| 重金屬（以Pb計），w/%????≤ | Heavy metal (as Pb),w/%??≤ | 0.003 | ——— | ——— |
| 干燥減量，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.
