酸性黄 23 (CAS No.1934-21-0)
- 物化性质
- 合成色素，呈鲜艳嫩黄色粉末或颗粒。溶于水后呈黄色溶液，微溶于乙醇，不溶于油脂；对光、热和酸较稳定，遇强还原剂易褪色。
- 技术参数
- 外观为黄色至嫩黄色粉末或颗粒，色泽鲜艳。 可溶于水，水溶液呈黄色，微溶于乙醇，不溶于油脂。 最大吸收波长为425～430 nm。 主染料含量（以干基计）不低于85%，干燥失重不超过10%。 在酸性介质中稳定，耐光、耐热性良好。
English description（英文原文，共 983 字符）
Product Name:Acid Yellow 23
English Name:Acid Yellow 23
CAS No.:1934-21-0
Aliases:Tartrazine, C.I. Acid Yellow 23, Food Yellow 4, Hydrazine Yellow
Molecular Formula:C16H9N4Na3O9S2
Physical Properties:Synthetic pigment; appears as bright lemon-yellow powder or granules. Soluble in water to form a yellow solution, slightly soluble in ethanol, and insoluble in oils; stable to light, heat and acid, but easily decolorized by strong reducing agents.
Uses:Widely used for coloring food, beverages, pharmaceuticals, cosmetics, feed, tobacco, toys and food packaging materials; also used for dyeing wool and silk and manufacturing lakes.
Technical Specifications:
Yellow to bright yellow powder or granules with vivid color.
Soluble in water to give a yellow solution; slightly soluble in ethanol and insoluble in oils.
Maximum absorption wavelength: 425–430 nm.
Dye content (on dry basis) ≥85%; loss on drying ≤10%.
Stable in acidic media with good light and heat resistance.
English Name:Acid Yellow 23
CAS No.:1934-21-0
Aliases:Tartrazine, C.I. Acid Yellow 23, Food Yellow 4, Hydrazine Yellow
Molecular Formula:C16H9N4Na3O9S2
Physical Properties:Synthetic pigment; appears as bright lemon-yellow powder or granules. Soluble in water to form a yellow solution, slightly soluble in ethanol, and insoluble in oils; stable to light, heat and acid, but easily decolorized by strong reducing agents.
Uses:Widely used for coloring food, beverages, pharmaceuticals, cosmetics, feed, tobacco, toys and food packaging materials; also used for dyeing wool and silk and manufacturing lakes.
Technical Specifications:
Yellow to bright yellow powder or granules with vivid color.
Soluble in water to give a yellow solution; slightly soluble in ethanol and insoluble in oils.
Maximum absorption wavelength: 425–430 nm.
Dye content (on dry basis) ≥85%; loss on drying ≤10%.
Stable in acidic media with good light and heat resistance.
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常见问题
- 酸性黄 23的 CAS 号是多少？
- 酸性黄 23的 CAS 号是 1934-21-0。
- 酸性黄 23的分子式和分子量是什么？
- 酸性黄 23的分子式为 C16H9N4Na3O9S2。
- 酸性黄 23的英文名称是什么？
- 酸性黄 23的英文名称为 Acid Yellow 23。
- 酸性黄 23还有哪些别名？
- 酸性黄 23又称 酒石黄、酸性淡黄、肼黄。
- 酸性黄 23有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条酸性黄 23供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 酸性黄 23的供应商主要分布在哪些地区？
- 酸性黄 23的供应商主要分布在 上海市（1 条） 等地。
- 酸性黄 23有哪些级别可选？
- 平台上酸性黄 23的供应级别包括 工业级。
- 酸性黄 23的报价单位是什么？
- 酸性黄 23的报价单位主要有 千克。
- 哪里可以查到酸性黄 23的价格？
- 掌上化工酸性黄 23产品页汇总了各供应商的最新报价与规格，地址：/chemicals/1934-21-0/。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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