甲基橙 (CAS No.547-58-0)
- 物化性质
- 橙黄色粉末或结晶状鳞片；1份可溶于500份水，易溶于热水，几乎不溶于乙醇；熔点约300℃（分解）。
- 纯度
- ≥99.5%
English description（英文原文，共 859 字符）
Product Name:Methyl Orange
English Name:Methyl Orange
CAS No.:547-58-0
Aliases:Sodium 4-(4-dimethylaminophenylazo)benzenesulfonate, Acid Orange 52, Orange III
Molecular Formula:C14H14N3NaO3S
Physical Properties:Orange-yellow powder or crystalline flakes; 1 part dissolves in 500 parts of water, readily soluble in hot water, almost insoluble in ethanol; melting point approximately 300°C (decomposition).
Uses:Commonly used as an acid-base indicator, changing color in the pH range 3.1 (red) to 4.4 (yellow) for endpoint detection in acid-base titrations; also used for biological staining and as a chromogenic reagent in analytical chemistry.
Technical Specifications:
Purity: ≥99.5%
pH color transition range: 3.0 (orange) to 4.4 (yellow)
Water solubility test: qualified
Sensitivity test: qualified
Residue on ignition (as sulfate): 18.5%–22.0%
English Name:Methyl Orange
CAS No.:547-58-0
Aliases:Sodium 4-(4-dimethylaminophenylazo)benzenesulfonate, Acid Orange 52, Orange III
Molecular Formula:C14H14N3NaO3S
Physical Properties:Orange-yellow powder or crystalline flakes; 1 part dissolves in 500 parts of water, readily soluble in hot water, almost insoluble in ethanol; melting point approximately 300°C (decomposition).
Uses:Commonly used as an acid-base indicator, changing color in the pH range 3.1 (red) to 4.4 (yellow) for endpoint detection in acid-base titrations; also used for biological staining and as a chromogenic reagent in analytical chemistry.
Technical Specifications:
Purity: ≥99.5%
pH color transition range: 3.0 (orange) to 4.4 (yellow)
Water solubility test: qualified
Sensitivity test: qualified
Residue on ignition (as sulfate): 18.5%–22.0%
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常见问题
- 甲基橙的 CAS 号是多少？
- 甲基橙的 CAS 号是 547-58-0。
- 甲基橙的分子式和分子量是什么？
- 甲基橙的分子式为 C14H14N3NaO3S。
- 甲基橙的英文名称是什么？
- 甲基橙的英文名称为 Methyl Orange。
- 甲基橙还有哪些别名？
- 甲基橙又称 4-(4-二甲基氨基偶氮苯)-苯磺酸钠、酸性橙52、橙黄Ⅲ。
- 甲基橙有哪些供应商和生产厂家？
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- 平台上甲基橙的供应级别包括 工业级。
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- 甲基橙的报价单位主要有 千克。
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- 掌上化工甲基橙产品页汇总了各供应商的最新报价与规格，地址：/chemicals/547-58-0/。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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