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Urea ，≥99.0%
畅销产品

U6020G
UreaUrea UreaUrea Show
57-13-6
RT
5年
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Catalog No. Specification List Price Preferential Price VIP Beijing Harbin Shenyang Guangzhou Quantity Cart
U6020G 100g $4.13
U6020G 500g $11.01
U6020G 1kg $17.89
U6020G 5kg $82.56
U6020G 25kg $295.84
U6020G 5kg(颗粒) $82.56
Product Name Urea
Alias UreaUrea
CAS No. 57-13-6
Molecular Formula CH4N2O
Molecular Weight 60.06
Rank AR
PH 10％水溶液的pH为7.2
Fusing Point 132.7℃
Solubility 1g溶于1ml水、10ml 95％乙醇、1ml 95％沸乙醇、20ml无水乙醇、6ml甲醇和2ml甘油。溶于浓盐酸，几乎不溶于乙醚和氯仿
Appearance (character) 白色四方棱柱状结晶或粉末。有氨的气味和咸味。加热温度高于其熔点时则分解成缩二脲、氨和三聚氰酸
Purity： ≥99.0%
Introduction：

氯化物：≤0.0003%
硫酸盐：≤0.001%
澄清度试验：≤2号
灼烧残渣(以硫酸盐计)：≤0.1%
氨：≤0.005%
水不溶物：≤0.005%
重金属(以Pb计)：≤0.0002%
铁：≤0.0002%
缩二脲：≤0.2%
水溶液相对密度(W/W，d?184) 10％ 1.027、20％ 1.054、50％ 1.145。相对密度 (d?184)1.32。
用途：本品仅供科研，不得用于其它用途。(以下用途仅供参考)分析中用以检验锑和锡。测定铅、钙、铜、镓、磷、碘化物和硝酸盐。测定血液尿素氮时，配标准溶液，测定血清胆红素。烃的分离。分解氮的氧化物及亚硝酸。制备培养基。福林法测定尿酸时的稳定剂，均相沉淀。

These protocols are for reference only. Biotopped does not independently validate these methods.

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