维生素E (CAS No.2074-53-5)
- 物化性质
- 黄色至棕红色透明油状液体,有轻微特殊气味。不溶于水,易溶于乙醇、乙醚、丙酮等有机溶剂。对热稳定,在空气中易氧化,遇光颜色加深。相对密度0.92~0.96 g/cm³,比旋度≥+24°,分子量约430.7。
- 技术参数
- 含量(以生育酚计)≥67% 比旋度≥+24° 炽灼残渣≤0.1% 相对密度0.92~0.96 g/cm³
English description(英文原文,共 853 字符)
Product Name:Vitamin E
English Name:Vitamin E
CAS No.:2074-53-5
Aliases:Natural Tocopherol
Molecular Formula:C29H50O2
Physical Properties:Yellow to brownish-red transparent oily liquid with a slight characteristic odor. Insoluble in water, easily soluble in organic solvents such as ethanol, ether and acetone. Stable to heat, easily oxidized in air, color deepens on exposure to light. Relative density 0.92–0.96 g/cm³, specific optical rotation ≥ +24°, molecular weight approximately 430.7.
Uses:Used in scientific research and chemical reagent fields, and widely applied in cosmetics as an antioxidant and nutritional additive to scavenge free radicals and delay aging.
Technical Specifications:
Content (as tocopherol) ≥67%
Specific optical rotation ≥ +24°
Residue on ignition ≤0.1%
Relative density 0.92–0.96 g/cm³
Quality standard: USP
English Name:Vitamin E
CAS No.:2074-53-5
Aliases:Natural Tocopherol
Molecular Formula:C29H50O2
Physical Properties:Yellow to brownish-red transparent oily liquid with a slight characteristic odor. Insoluble in water, easily soluble in organic solvents such as ethanol, ether and acetone. Stable to heat, easily oxidized in air, color deepens on exposure to light. Relative density 0.92–0.96 g/cm³, specific optical rotation ≥ +24°, molecular weight approximately 430.7.
Uses:Used in scientific research and chemical reagent fields, and widely applied in cosmetics as an antioxidant and nutritional additive to scavenge free radicals and delay aging.
Technical Specifications:
Content (as tocopherol) ≥67%
Specific optical rotation ≥ +24°
Residue on ignition ≤0.1%
Relative density 0.92–0.96 g/cm³
Quality standard: USP
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常见问题
- 维生素E的 CAS 号是多少?
- 维生素E的 CAS 号是 2074-53-5。
- 维生素E的分子式和分子量是什么?
- 维生素E的分子式为 C29H50O2。
- 维生素E的英文名称是什么?
- 维生素E的英文名称为 Vitamin E。
- 维生素E还有哪些别名?
- 维生素E又称 天然生育酚。
- 维生素E有哪些供应商和生产厂家?
- 掌上化工当前收录 1 条维生素E供应报价,来自 1 家供应商,可按地区、纯度、级别筛选对比。
- 维生素E的供应商主要分布在哪些地区?
- 维生素E的供应商主要分布在 上海市(1 条) 等地。
- 维生素E有哪些级别可选?
- 平台上维生素E的供应级别包括 工业级。
- 维生素E的报价单位是什么?
- 维生素E的报价单位主要有 千克。
- 哪里可以查到维生素E的价格?
- 掌上化工维生素E产品页汇总了各供应商的最新报价与规格,地址:/chemicals/2074-53-5/。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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