槲皮素 (CAS No.117-39-5)
- 物化性质
- 二水合物为黄色针状结晶（稀乙醇），在95-97°C成为无水物，于314°C分解。1g溶于290mL沸乙醇，溶于冰醋酸，碱性水溶液呈黄色，几乎不溶于水，乙醇溶液味苦。
- 技术参数
- 含量（HPLC）≥98%
- 外观
- 黄色针状结晶或结晶性粉末
- 熔点
- 314°C（分解）
- 溶解性
- 1g溶于290mL沸乙醇，溶于冰醋酸，几乎不溶于水
English description（英文原文，共 1132 字符）
Product Name:Quercetin
English Name:Quercetin
CAS No.:117-39-5
Aliases:Sophoretin, Meletin, Quercetine, 3,3',4',5,7-Pentahydroxyflavone
Molecular Formula:C15H10O7
Physical Properties:The dihydrate forms yellow needle crystals (from dilute ethanol), becomes anhydrous at 95-97°C, and decomposes at 314°C. 1 g dissolves in 290 mL boiling ethanol, soluble in glacial acetic acid; alkaline aqueous solution shows yellow color; almost insoluble in water; the ethanol solution has a bitter taste.
Uses:Quercetin is a natural flavonoid antioxidant that effectively scavenges free radicals and inhibits lipid peroxidation. In the pharmaceutical field, it possesses anti-inflammatory, anti-allergic, antiviral and cardiovascular protective activities. In the food industry, it is used as an antioxidant additive for preserving oils and oil-containing foods.
Technical Specifications:
Assay (HPLC): ≥98%
Appearance: yellow needle crystals or crystalline powder
Melting point: 314°C (decomposition)
Solubility: 1 g dissolves in 290 mL boiling ethanol, soluble in glacial acetic acid, almost insoluble in water
Loss on drying: ≤0.5%
English Name:Quercetin
CAS No.:117-39-5
Aliases:Sophoretin, Meletin, Quercetine, 3,3',4',5,7-Pentahydroxyflavone
Molecular Formula:C15H10O7
Physical Properties:The dihydrate forms yellow needle crystals (from dilute ethanol), becomes anhydrous at 95-97°C, and decomposes at 314°C. 1 g dissolves in 290 mL boiling ethanol, soluble in glacial acetic acid; alkaline aqueous solution shows yellow color; almost insoluble in water; the ethanol solution has a bitter taste.
Uses:Quercetin is a natural flavonoid antioxidant that effectively scavenges free radicals and inhibits lipid peroxidation. In the pharmaceutical field, it possesses anti-inflammatory, anti-allergic, antiviral and cardiovascular protective activities. In the food industry, it is used as an antioxidant additive for preserving oils and oil-containing foods.
Technical Specifications:
Assay (HPLC): ≥98%
Appearance: yellow needle crystals or crystalline powder
Melting point: 314°C (decomposition)
Solubility: 1 g dissolves in 290 mL boiling ethanol, soluble in glacial acetic acid, almost insoluble in water
Loss on drying: ≤0.5%
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常见问题
- 槲皮素的 CAS 号是多少？
- 槲皮素的 CAS 号是 117-39-5。
- 槲皮素的分子式和分子量是什么？
- 槲皮素的分子式为 C15H10O7。
- 槲皮素的英文名称是什么？
- 槲皮素的英文名称为 Quercetin。
- 槲皮素还有哪些别名？
- 槲皮素又称 栎精、槲皮黄素、五羟黄酮、3,3',4',5,7-五羟基黄酮。
- 槲皮素有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条槲皮素供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 槲皮素的供应商主要分布在哪些地区？
- 槲皮素的供应商主要分布在 上海市（1 条） 等地。
- 槲皮素有哪些级别可选？
- 平台上槲皮素的供应级别包括 工业级。
- 槲皮素的报价单位是什么？
- 槲皮素的报价单位主要有 千克。
- 哪里可以查到槲皮素的价格？
- 掌上化工槲皮素产品页汇总了各供应商的最新报价与规格，地址：/chemicals/117-39-5/。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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