2-(2-羧乙氨基)-4-氨基苯磺酸 (CAS No.334757-72-1)
- 物化性质
- 白色至类白色结晶性粉末。可溶于水,微溶于乙醇,不溶于乙醚等非极性有机溶剂。具有磺酸基和羧基,呈酸性,可与碱成盐。熔点较高,加热至300℃以上可能分解。
- 外观
- 白色至类白色结晶性粉末
- 含量
- ≥98%
- 熔点
- ≥300℃(分解)
- 溶解性
- 溶于水,微溶于乙醇
English description(英文原文,共 1106 字符)
Product Name:2-(2-Carboxyethylamino)-4-aminobenzenesulfonic acid
English Name:2-(2-Carboxyethylamino)-4-aminobenzenesulfonic acid
CAS No.:334757-72-1
Aliases:4-Amino-2-(2-carboxyethylamino)benzenesulfonic acid, N-(2-Carboxyethyl)-2,4-diaminobenzenesulfonic acid
Molecular Formula:C9H12N2O5S
Physical Properties:White to off-white crystalline powder. Soluble in water, slightly soluble in ethanol, insoluble in non-polar organic solvents such as ether. Contains sulfonic acid and carboxylic acid groups, showing acidity and capable of forming salts with bases. High melting point, may decompose above 300°C.
Uses:Mainly used in organic synthesis as a dye intermediate for preparing azo dyes, reactive dyes and acid dyes. It is also used as a pharmaceutical intermediate for synthesizing drug molecules containing sulfonic acid groups, and can serve as a chelating reagent for metal ions.
Technical Specifications:
Appearance: White to off-white crystalline powder
Content: ≥98%
Melting point: ≥300°C (decomposition)
Loss on drying: ≤0.5%
Solubility: Soluble in water, slightly soluble in ethanol
English Name:2-(2-Carboxyethylamino)-4-aminobenzenesulfonic acid
CAS No.:334757-72-1
Aliases:4-Amino-2-(2-carboxyethylamino)benzenesulfonic acid, N-(2-Carboxyethyl)-2,4-diaminobenzenesulfonic acid
Molecular Formula:C9H12N2O5S
Physical Properties:White to off-white crystalline powder. Soluble in water, slightly soluble in ethanol, insoluble in non-polar organic solvents such as ether. Contains sulfonic acid and carboxylic acid groups, showing acidity and capable of forming salts with bases. High melting point, may decompose above 300°C.
Uses:Mainly used in organic synthesis as a dye intermediate for preparing azo dyes, reactive dyes and acid dyes. It is also used as a pharmaceutical intermediate for synthesizing drug molecules containing sulfonic acid groups, and can serve as a chelating reagent for metal ions.
Technical Specifications:
Appearance: White to off-white crystalline powder
Content: ≥98%
Melting point: ≥300°C (decomposition)
Loss on drying: ≤0.5%
Solubility: Soluble in water, slightly soluble in ethanol
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常见问题
- 2-(2-羧乙氨基)-4-氨基苯磺酸的 CAS 号是多少?
- 2-(2-羧乙氨基)-4-氨基苯磺酸的 CAS 号是 334757-72-1。
- 2-(2-羧乙氨基)-4-氨基苯磺酸的分子式和分子量是什么?
- 2-(2-羧乙氨基)-4-氨基苯磺酸的分子式为 C9H12N2O5S。
- 2-(2-羧乙氨基)-4-氨基苯磺酸的英文名称是什么?
- 2-(2-羧乙氨基)-4-氨基苯磺酸的英文名称为 2-(2-Carboxyethylamino)-4-aminobenzenesulfonic acid。
- 2-(2-羧乙氨基)-4-氨基苯磺酸还有哪些别名?
- 2-(2-羧乙氨基)-4-氨基苯磺酸又称 4-氨基-2-(2-羧乙基氨基)苯磺酸、N-(2-羧乙基)-2,4-二氨基苯磺酸。
- 2-(2-羧乙氨基)-4-氨基苯磺酸有哪些供应商和生产厂家?
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