3,4-二羟基苯甲醛 (CAS No.139-85-5)
- 物化性质
- 淡黄色至淡灰色结晶粉末。熔点153-157°C，沸点约337°C，闪点约158°C。微溶于水，易溶于乙醇、乙醚、氯仿等有机溶剂。在空气中久置易氧化变色，遇光易变质。
- 纯度
- 高效液相色谱法（HPLC）≥99%
- 外观
- 淡黄色至淡灰色粉末
- 熔点
- 约153-157°C
- 溶解性
- 微溶于水，易溶于乙醇、乙醚
English description（英文原文，共 1133 字符）
Product Name:3,4-Dihydroxybenzaldehyde
English Name:3,4-Dihydroxybenzaldehyde
CAS No.:139-85-5
Aliases:Protocatechualdehyde, 1,2-Dihydroxy-4-formylbenzene
Molecular Formula:C7H6O3
Physical Properties:Light yellow to light gray crystalline powder. Melting point 153-157°C, boiling point about 337°C, flash point about 158°C. Slightly soluble in water, freely soluble in ethanol, ether, chloroform and other organic solvents. Prone to oxidation and discoloration on prolonged exposure to air, and deteriorates when exposed to light.
Uses:3,4-Dihydroxybenzaldehyde is an important pharmaceutical intermediate widely used in the synthesis of drugs such as trimethoprim and Danshensu, and in the production of antibacterial and anti-inflammatory pharmaceuticals. It is also used in organic synthesis, pesticides and flavors.
Technical Specifications:
Purity: ≥99% by HPLC
Appearance: light yellow to light gray powder
Melting point: approximately 153-157°C
Solubility: slightly soluble in water, freely soluble in ethanol and ether
Storage: keep sealed at low temperature, protected from light, avoid prolonged exposure to air
English Name:3,4-Dihydroxybenzaldehyde
CAS No.:139-85-5
Aliases:Protocatechualdehyde, 1,2-Dihydroxy-4-formylbenzene
Molecular Formula:C7H6O3
Physical Properties:Light yellow to light gray crystalline powder. Melting point 153-157°C, boiling point about 337°C, flash point about 158°C. Slightly soluble in water, freely soluble in ethanol, ether, chloroform and other organic solvents. Prone to oxidation and discoloration on prolonged exposure to air, and deteriorates when exposed to light.
Uses:3,4-Dihydroxybenzaldehyde is an important pharmaceutical intermediate widely used in the synthesis of drugs such as trimethoprim and Danshensu, and in the production of antibacterial and anti-inflammatory pharmaceuticals. It is also used in organic synthesis, pesticides and flavors.
Technical Specifications:
Purity: ≥99% by HPLC
Appearance: light yellow to light gray powder
Melting point: approximately 153-157°C
Solubility: slightly soluble in water, freely soluble in ethanol and ether
Storage: keep sealed at low temperature, protected from light, avoid prolonged exposure to air
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常见问题
- 3,4-二羟基苯甲醛的 CAS 号是多少？
- 3,4-二羟基苯甲醛的 CAS 号是 139-85-5。
- 3,4-二羟基苯甲醛的分子式和分子量是什么？
- 3,4-二羟基苯甲醛的分子式为 C7H6O3。
- 3,4-二羟基苯甲醛的英文名称是什么？
- 3,4-二羟基苯甲醛的英文名称为 3,4-Dihydroxybenzaldehyde。
- 3,4-二羟基苯甲醛还有哪些别名？
- 3,4-二羟基苯甲醛又称 原儿茶醛、1,2-二羟基-4-甲酰苯。
- 3,4-二羟基苯甲醛有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条3,4-二羟基苯甲醛供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 3,4-二羟基苯甲醛的供应商主要分布在哪些地区？
- 3,4-二羟基苯甲醛的供应商主要分布在 上海市（1 条） 等地。
- 3,4-二羟基苯甲醛有哪些级别可选？
- 平台上3,4-二羟基苯甲醛的供应级别包括 工业级。
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- 掌上化工3,4-二羟基苯甲醛产品页汇总了各供应商的最新报价与规格，地址：/chemicals/139-85-5/。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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