L-精氨酸 (CAS No.74-79-3)
- 物化性质
- 分子量174.2；白色结晶性粉末，无臭，味甜；易溶于水，水溶液呈强碱性，微溶于乙醇，不溶于乙醚；熔点约233-236°C（分解），比旋光度[α]D20约+12°（c=10，6mol/L盐酸）。
- 技术参数
- 含量（以干基计）98.5%～101.0%
English description（英文原文，共 1064 字符）
Product Name:L-Arginine
English Name:L-Arginine
CAS No.:74-79-3
Aliases:L-2-Amino-5-guanidinopentanoic acid, 2-Amino-5-guanidinovaleric acid
Molecular Formula:C6H14N4O2
Physical Properties:Molecular weight: 174.2; White crystalline powder, odorless, with a sweet taste; freely soluble in water, the aqueous solution is strongly alkaline, slightly soluble in ethanol, insoluble in ether; melting point about 233-236°C (decomposition), specific rotation [α]D20 about +12° (c=10, 6 mol/L HCl).
Uses:L-Arginine is a semi-essential amino acid for humans. It is used as a nutritional fortifier and flavoring agent in the food industry to improve food flavor; it is an important raw material for amino acid infusions and compound amino acid preparations in the pharmaceutical industry; it is also used as a humectant and antioxidant in cosmetics.
Technical Specifications:
Assay (on dry basis): 98.5% - 101.0%
Specific rotation [α]D20: +12.0° to +13.0° (c=10, 6 mol/L HCl)
pH (1% aqueous solution): 10.5 - 12.0
Loss on drying ≤ 0.5%
Residue on ignition ≤ 0.1%
English Name:L-Arginine
CAS No.:74-79-3
Aliases:L-2-Amino-5-guanidinopentanoic acid, 2-Amino-5-guanidinovaleric acid
Molecular Formula:C6H14N4O2
Physical Properties:Molecular weight: 174.2; White crystalline powder, odorless, with a sweet taste; freely soluble in water, the aqueous solution is strongly alkaline, slightly soluble in ethanol, insoluble in ether; melting point about 233-236°C (decomposition), specific rotation [α]D20 about +12° (c=10, 6 mol/L HCl).
Uses:L-Arginine is a semi-essential amino acid for humans. It is used as a nutritional fortifier and flavoring agent in the food industry to improve food flavor; it is an important raw material for amino acid infusions and compound amino acid preparations in the pharmaceutical industry; it is also used as a humectant and antioxidant in cosmetics.
Technical Specifications:
Assay (on dry basis): 98.5% - 101.0%
Specific rotation [α]D20: +12.0° to +13.0° (c=10, 6 mol/L HCl)
pH (1% aqueous solution): 10.5 - 12.0
Loss on drying ≤ 0.5%
Residue on ignition ≤ 0.1%
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常见问题
- L-精氨酸的 CAS 号是多少？
- L-精氨酸的 CAS 号是 74-79-3。
- L-精氨酸的分子式和分子量是什么？
- L-精氨酸的分子式为 C6H14N4O2。
- L-精氨酸的英文名称是什么？
- L-精氨酸的英文名称为 L-Arginine。
- L-精氨酸还有哪些别名？
- L-精氨酸又称 L-2-氨基-5-胍基戊酸、2-氨基-5-胍基戊酸。
- L-精氨酸有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条L-精氨酸供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- L-精氨酸的供应商主要分布在哪些地区？
- L-精氨酸的供应商主要分布在 上海市（1 条） 等地。
- L-精氨酸有哪些级别可选？
- 平台上L-精氨酸的供应级别包括 工业级。
- L-精氨酸的报价单位是什么？
- L-精氨酸的报价单位主要有 千克。
- 哪里可以查到L-精氨酸的价格？
- 掌上化工L-精氨酸产品页汇总了各供应商的最新报价与规格，地址：/chemicals/74-79-3/。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。
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