脱氢乙酸 (CAS No.520-45-6)
- 物化性质
- 米色至浅黄色粉末，无臭，略带酸味。熔点109℃~112℃。25℃时溶解度(g/100g)：乙醇3，乙二醇1.7，橄榄油<1.6，甘油<0.1，水<0.1。难溶于水，饱和水溶液pH值约为4。对热稳定，无吸湿性，加热时可随水蒸气挥发。
- 纯度
- 98%
- 外观
- 米色至浅黄色粉末
- 熔点
- 109℃~112℃
English description（英文原文，共 944 字符）
Product Name:Dehydroacetic acid
English Name:Dehydroacetic acid
CAS No.:520-45-6
Aliases:Dehydroacetic acid, 6-Methyl-3,5-diacetyl-2H-pyran-2,4-dione
Molecular Formula:C8H8O4
Physical Properties:Beige to light yellow powder, odorless with a slightly sour taste. Melting point: 109°C to 112°C. Solubility at 25°C (g/100g): ethanol 3, ethylene glycol 1.7, olive oil <1.6, glycerol <0.1, water <0.1. Sparingly soluble in water; pH of saturated aqueous solution is about 4. Stable to heat, non-hygroscopic, and volatilizes with steam when heated.
Uses:Dehydroacetic acid is a broad-spectrum preservative with strong inhibitory activity against molds and yeasts at low effective concentrations. It is used for preservation and antifungal protection in food, feed, cosmetics, and pharmaceutical applications.
Technical Specifications:
Purity: 98%
Appearance: Beige to light yellow powder
Melting point: 109°C to 112°C
Packaging: Food grade
English Name:Dehydroacetic acid
CAS No.:520-45-6
Aliases:Dehydroacetic acid, 6-Methyl-3,5-diacetyl-2H-pyran-2,4-dione
Molecular Formula:C8H8O4
Physical Properties:Beige to light yellow powder, odorless with a slightly sour taste. Melting point: 109°C to 112°C. Solubility at 25°C (g/100g): ethanol 3, ethylene glycol 1.7, olive oil <1.6, glycerol <0.1, water <0.1. Sparingly soluble in water; pH of saturated aqueous solution is about 4. Stable to heat, non-hygroscopic, and volatilizes with steam when heated.
Uses:Dehydroacetic acid is a broad-spectrum preservative with strong inhibitory activity against molds and yeasts at low effective concentrations. It is used for preservation and antifungal protection in food, feed, cosmetics, and pharmaceutical applications.
Technical Specifications:
Purity: 98%
Appearance: Beige to light yellow powder
Melting point: 109°C to 112°C
Packaging: Food grade
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常见问题
- 脱氢乙酸的 CAS 号是多少？
- 脱氢乙酸的 CAS 号是 520-45-6。
- 脱氢乙酸的分子式和分子量是什么？
- 脱氢乙酸的分子式为 C8H8O4。
- 脱氢乙酸的英文名称是什么？
- 脱氢乙酸的英文名称为 Dehydroacetic acid。
- 脱氢乙酸还有哪些别名？
- 脱氢乙酸又称 脱氢醋酸、6-甲基-3,5-二乙酰基-2H-吡喃-2,4-二酮。
- 脱氢乙酸有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条脱氢乙酸供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 脱氢乙酸的供应商主要分布在哪些地区？
- 脱氢乙酸的供应商主要分布在 上海市（1 条） 等地。
- 脱氢乙酸有哪些级别可选？
- 平台上脱氢乙酸的供应级别包括 工业级。
- 脱氢乙酸的报价单位是什么？
- 脱氢乙酸的报价单位主要有 千克。
- 哪里可以查到脱氢乙酸的价格？
- 掌上化工脱氢乙酸产品页汇总了各供应商的最新报价与规格，地址：/chemicals/520-45-6/。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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