柑桔红2 (CAS No.6358-53-8)
- 物化性质
- 深红色粉末或膏状物，味酸甜清香。不溶于水，溶于乙醇、丙酮及油脂等有机溶剂。在酸性条件下呈红色，在碱性条件下呈橙黄色至紫青色。对光敏感，在光照条件下易褪色。易与活泼金属作用，应避免与铜、铁等金属离子接触。
English description（英文原文，共 930 字符）
Product Name:Citrus Red 2
English Name:Citrus Red 2
CAS No.:6358-53-8
Aliases:Orange Red No.2, C.I. Solvent Red 52, 1-[(2,5-Dimethoxyphenyl)azo]-2-naphthol
Molecular Formula:C18H16N2O3
Physical Properties:Dark red powder or paste, with a sweet and sour fragrance. Insoluble in water, soluble in organic solvents such as ethanol, acetone and oils. It appears red under acidic conditions and changes to orange-yellow to purplish-blue under alkaline conditions. It is sensitive to light and prone to fading under light exposure. It reacts readily with active metals, so contact with metal ions such as copper and iron should be avoided.
Uses:Used as a food-grade red colorant, mainly for coloring the peel of citrus fruits, and also for coloring oil-soluble foods.
Technical Specifications:
Molecular weight: 308.36
EINECS No.: 228-778-9
Maximum absorption wavelength in ethanol solution: 535 nm
Packaging: 25 kg/container
English Name:Citrus Red 2
CAS No.:6358-53-8
Aliases:Orange Red No.2, C.I. Solvent Red 52, 1-[(2,5-Dimethoxyphenyl)azo]-2-naphthol
Molecular Formula:C18H16N2O3
Physical Properties:Dark red powder or paste, with a sweet and sour fragrance. Insoluble in water, soluble in organic solvents such as ethanol, acetone and oils. It appears red under acidic conditions and changes to orange-yellow to purplish-blue under alkaline conditions. It is sensitive to light and prone to fading under light exposure. It reacts readily with active metals, so contact with metal ions such as copper and iron should be avoided.
Uses:Used as a food-grade red colorant, mainly for coloring the peel of citrus fruits, and also for coloring oil-soluble foods.
Technical Specifications:
Molecular weight: 308.36
EINECS No.: 228-778-9
Maximum absorption wavelength in ethanol solution: 535 nm
Packaging: 25 kg/container
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常见问题
- 柑桔红2的 CAS 号是多少？
- 柑桔红2的 CAS 号是 6358-53-8。
- 柑桔红2的分子式和分子量是什么？
- 柑桔红2的分子式为 C18H16N2O3，分子量约 308.36。
- 柑桔红2的英文名称是什么？
- 柑桔红2的英文名称为 Citrus Red 2。
- 柑桔红2还有哪些别名？
- 柑桔红2又称 桔红2号、柑橘红2号、C.I.溶剂红52。
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