3,4-二氨基苯磺酸 (CAS No.7474-78-4)
- 物化性质
- 白色至微黄色结晶性粉末，溶于热水和乙醇，微溶于冷水，不溶于乙醚。熔点约220℃（分解）。具有芳香族磺酸和芳香胺的双重化学性质，可发生重氮化、磺化、缩合等反应。
- 技术参数
- 含量 ≥98.0% 熔点 约220℃（分解） 水分 ≤0.5% 不溶物含量 ≤0.1% 外观为白色至微黄色结晶性粉末
English description（英文原文，共 1050 字符）
Product Name:3,4-Diaminobenzenesulfonic acid
English Name:3,4-Diaminobenzenesulfonic acid
CAS No.:7474-78-4
Aliases:1,2-Diaminobenzene-4-sulfonic acid
Molecular Formula:C6H8N2O3S
Physical Properties:White to slightly yellow crystalline powder; soluble in hot water and ethanol, slightly soluble in cold water, insoluble in ether. Melting point approximately 220°C (decomposition). Exhibits dual chemical properties of aromatic sulfonic acids and aromatic amines, capable of undergoing diazotization, sulfonation, condensation and other reactions.
Uses:Used as an organic synthesis intermediate, primarily for the synthesis of azo dyes, reactive dyes and acid dyes. Also employed in the preparation of pharmaceutical intermediates, pesticide intermediates and fine chemical products, such as benzimidazole compounds and fluorescent brightening agents.
Technical Specifications:
Assay ≥98.0%
Melting point approximately 220°C (decomposition)
Water content ≤0.5%
Insoluble matter ≤0.1%
Appearance: white to slightly yellow crystalline powder
English Name:3,4-Diaminobenzenesulfonic acid
CAS No.:7474-78-4
Aliases:1,2-Diaminobenzene-4-sulfonic acid
Molecular Formula:C6H8N2O3S
Physical Properties:White to slightly yellow crystalline powder; soluble in hot water and ethanol, slightly soluble in cold water, insoluble in ether. Melting point approximately 220°C (decomposition). Exhibits dual chemical properties of aromatic sulfonic acids and aromatic amines, capable of undergoing diazotization, sulfonation, condensation and other reactions.
Uses:Used as an organic synthesis intermediate, primarily for the synthesis of azo dyes, reactive dyes and acid dyes. Also employed in the preparation of pharmaceutical intermediates, pesticide intermediates and fine chemical products, such as benzimidazole compounds and fluorescent brightening agents.
Technical Specifications:
Assay ≥98.0%
Melting point approximately 220°C (decomposition)
Water content ≤0.5%
Insoluble matter ≤0.1%
Appearance: white to slightly yellow crystalline powder
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常见问题
- 3,4-二氨基苯磺酸的 CAS 号是多少？
- 3,4-二氨基苯磺酸的 CAS 号是 7474-78-4。
- 3,4-二氨基苯磺酸的分子式和分子量是什么？
- 3,4-二氨基苯磺酸的分子式为 C6H8N2O3S。
- 3,4-二氨基苯磺酸的英文名称是什么？
- 3,4-二氨基苯磺酸的英文名称为 3,4-Diaminobenzenesulfonic acid。
- 3,4-二氨基苯磺酸还有哪些别名？
- 3,4-二氨基苯磺酸又称 1,2-二氨基苯-4-磺酸、3,4-二氨基苯磺酸。
- 3,4-二氨基苯磺酸有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条3,4-二氨基苯磺酸供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 3,4-二氨基苯磺酸的供应商主要分布在哪些地区？
- 3,4-二氨基苯磺酸的供应商主要分布在 上海市（1 条） 等地。
- 3,4-二氨基苯磺酸有哪些级别可选？
- 平台上3,4-二氨基苯磺酸的供应级别包括 工业级。
- 3,4-二氨基苯磺酸的报价单位是什么？
- 3,4-二氨基苯磺酸的报价单位主要有 千克。
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- 掌上化工3,4-二氨基苯磺酸产品页汇总了各供应商的最新报价与规格，地址：/chemicals/7474-78-4/。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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