L-半胱氨酸盐酸盐 (CAS No.52-89-1)
- 物化性质
- 白色结晶体或结晶粉末，有强酸味，易溶于水，水溶液呈酸性，微溶于乙醇，不溶于乙醚。熔点约175℃（分解），比旋光度[α]D20 +5.6°（c=5, 1mol/L HCl）。
- 外观
- 白色结晶体或结晶粉末 含量（以干品计）≥98.5%
English description（英文原文，共 1008 字符）
Product Name:L-Cysteine Hydrochloride Anhydrous
English Name:L-Cysteine Hydrochloride Anhydrous
CAS No.:52-89-1
Aliases:L-Cysteine HCl Anhydrous
Molecular Formula:C3H7NO2S·HCl
Physical Properties:White crystalline or crystalline powder with strong acidic taste, freely soluble in water, aqueous solution is acidic, slightly soluble in ethanol, insoluble in ether. Melting point about 175°C (decomposition), specific rotation [α]D20 +5.6° (c=5, 1mol/L HCl).
Uses:Used in pharmaceutical industry for treatment of acrylonitrile and aromatic poisoning, prevention of radiation damage, and as an expectorant for bronchitis. Used as anti-aging ingredient in cosmetics. As a food additive, it promotes fermentation and preserves freshness, and is used in natural fruit juices to prevent oxidative browning of vitamin C.
Technical Specifications:
Standard: AJI92
Appearance: white crystalline or crystalline powder
Assay (on dry basis) ≥98.5%
Specific rotation [α]D20: +5.6° to +6.0°
Loss on drying ≤0.5%
English Name:L-Cysteine Hydrochloride Anhydrous
CAS No.:52-89-1
Aliases:L-Cysteine HCl Anhydrous
Molecular Formula:C3H7NO2S·HCl
Physical Properties:White crystalline or crystalline powder with strong acidic taste, freely soluble in water, aqueous solution is acidic, slightly soluble in ethanol, insoluble in ether. Melting point about 175°C (decomposition), specific rotation [α]D20 +5.6° (c=5, 1mol/L HCl).
Uses:Used in pharmaceutical industry for treatment of acrylonitrile and aromatic poisoning, prevention of radiation damage, and as an expectorant for bronchitis. Used as anti-aging ingredient in cosmetics. As a food additive, it promotes fermentation and preserves freshness, and is used in natural fruit juices to prevent oxidative browning of vitamin C.
Technical Specifications:
Standard: AJI92
Appearance: white crystalline or crystalline powder
Assay (on dry basis) ≥98.5%
Specific rotation [α]D20: +5.6° to +6.0°
Loss on drying ≤0.5%
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常见问题
- L-半胱氨酸盐酸盐的 CAS 号是多少？
- L-半胱氨酸盐酸盐的 CAS 号是 52-89-1。
- L-半胱氨酸盐酸盐的分子式和分子量是什么？
- L-半胱氨酸盐酸盐的分子式为 C3H7NO2S·HCl。
- L-半胱氨酸盐酸盐的英文名称是什么？
- L-半胱氨酸盐酸盐的英文名称为 L-Cysteine Hydrochloride Anhydrous。
- L-半胱氨酸盐酸盐还有哪些别名？
- L-半胱氨酸盐酸盐又称 L-半胱氨酸盐酸盐无水物。
- L-半胱氨酸盐酸盐有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条L-半胱氨酸盐酸盐供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- L-半胱氨酸盐酸盐的供应商主要分布在哪些地区？
- L-半胱氨酸盐酸盐的供应商主要分布在 上海市（1 条） 等地。
- L-半胱氨酸盐酸盐有哪些级别可选？
- 平台上L-半胱氨酸盐酸盐的供应级别包括 工业级。
- L-半胱氨酸盐酸盐的报价单位是什么？
- L-半胱氨酸盐酸盐的报价单位主要有 千克。
- 哪里可以查到L-半胱氨酸盐酸盐的价格？
- 掌上化工L-半胱氨酸盐酸盐产品页汇总了各供应商的最新报价与规格，地址：/chemicals/52-89-1/。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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