脲素 (CAS No.57-13-6)
- 物化性质
- 无色或白色无臭小片或结晶性粉末，具吸湿性。相对密度1.335，熔点132.7℃（分解）。溶于水和乙醇，微溶于乙醚，不溶于苯和氯仿。
English description（英文原文，共 824 字符）
Product Name:Urea
English Name:Urea
CAS No.:57-13-6
Aliases:Carbamide, Carbonyl diamide
Molecular Formula:CH4N2O
Physical Properties:Colorless or white odorless small flakes or crystalline powder, hygroscopic. Relative density 1.335, melting point 132.7 °C (decomposition). Soluble in water and ethanol, slightly soluble in ether, insoluble in benzene and chloroform.
Uses:Used as yeast nutrient and chewing gum texture improver in the food industry; suitable for alcoholic beverages, gelatin products, wine, and yeast-fermented bakery products. Also used as nitrogen fertilizer and chemical raw material for resin and pharmaceutical synthesis.
Technical Specifications:
Content (as CH4N2O): 99.0%–100.5%
Loss on drying (105°C, 1 h): ≤1.0%
Sulfated ash: ≤0.1%
Heavy metals (as Pb): ≤0.001%
Arsenic (As): ≤0.0003%
English Name:Urea
CAS No.:57-13-6
Aliases:Carbamide, Carbonyl diamide
Molecular Formula:CH4N2O
Physical Properties:Colorless or white odorless small flakes or crystalline powder, hygroscopic. Relative density 1.335, melting point 132.7 °C (decomposition). Soluble in water and ethanol, slightly soluble in ether, insoluble in benzene and chloroform.
Uses:Used as yeast nutrient and chewing gum texture improver in the food industry; suitable for alcoholic beverages, gelatin products, wine, and yeast-fermented bakery products. Also used as nitrogen fertilizer and chemical raw material for resin and pharmaceutical synthesis.
Technical Specifications:
Content (as CH4N2O): 99.0%–100.5%
Loss on drying (105°C, 1 h): ≤1.0%
Sulfated ash: ≤0.1%
Heavy metals (as Pb): ≤0.001%
Arsenic (As): ≤0.0003%
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常见问题
- 脲素的 CAS 号是多少？
- 脲素的 CAS 号是 57-13-6。
- 脲素的分子式和分子量是什么？
- 脲素的分子式为 CH4N2O。
- 脲素的英文名称是什么？
- 脲素的英文名称为 Urea。
- 脲素还有哪些别名？
- 脲素又称 尿素、碳酰胺、脲。
- 脲素有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条脲素供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 脲素的供应商主要分布在哪些地区？
- 脲素的供应商主要分布在 上海市（1 条） 等地。
- 脲素有哪些级别可选？
- 平台上脲素的供应级别包括 工业级。
- 脲素的报价单位是什么？
- 脲素的报价单位主要有 千克。
- 哪里可以查到脲素的价格？
- 掌上化工脲素产品页汇总了各供应商的最新报价与规格，地址：/chemicals/57-13-6/。部分供应商价格为电议，可通过页面上的询价功能直接获取。
以上信息由平台根据收录的产品数据自动生成，数据更新时间 。 价格与库存由供应商自行发布，实际交易请以询价结果为准。
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