71 尿素 UREA

一、化学名：尿素

二、分子式：CH₄N₂O

三、分子量：60.06

四、CAS：57-13-6

五、性状：无色或白色针状或棒状结晶体，工业或农业品为白色略带微红色固体颗粒，无臭无味,具有吸湿性。

六、用途：用于酵母食料、酵母发酵性焙烤制品、胶姆糖组织改进剂、含醇饮料、明胶制品、葡萄酒。

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	USP32	FCCVII
含量（以干基记），w	Content , w/	99.1-100.5	99.0-100.5
硫酸盐，w	Sulfate, w/	0.01	0.01
乙醇不溶物，w	Alcohol-insoluble residue,w	0.04	0.04
氯化物（以CL计），w	Chlorides (Cl) ,w/	0.007	0.007
灼烧残渣，w	Ignition Residue, w/	0.1	0.1
铅，w	Lead (Pb) ,mg/kg		0.0005
干燥减量，w	Loss on Drying, w/		1.0
重金属（以Pb计），w	Heavy melt (Pb) ,w	0.002

1、Chemical Name: Urea

2、Molecular Formula : CH₄N₂O

3、Molecular Weight: 60.06

4、CAS：57-13-6

5、Character:Colorless or white needle-shaped or rod-shaped crystals, technical or agricultural grade urea are the white with slightly reddish solid particles, odorless and tasteless, and it’s hygroscopic.

6、Usage: It’s used for yeast food, yeast-fermentation baking products, gum sugar tissue improver, alcoholic beverages, gelatin products, and wine.

7、Packing: It is packed with a polyethylene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg .

8、Storage and Transport: 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.

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