碱性红9 (CAS No.25620-78-4)
- 物化性质
- 外观为深红色粉末或带绿色光泽的晶体，溶于水和乙醇呈红色，微溶于乙醚，不溶于苯。属三苯甲烷类碱性染料，分子量288.37（以阳离子计），熔点约235℃（分解），最大吸收波长约544nm。
- 技术参数
- 含量 ≥ 99% 熔点 ≥ 235℃（分解） 干燥失重 ≤ 1.0% 水不溶物 ≤ 0.5% 色光与标准品近似
English description（英文原文，共 846 字符）
Product Name:Basic Red 9
English Name:Basic Red 9
CAS No.:25620-78-4
Aliases:Pararosaniline
Molecular Formula:C19H18N3+
Physical Properties:Appears as dark red powder or green lustrous crystals; soluble in water and ethanol with red color, slightly soluble in ether, insoluble in benzene. It is a triphenylmethane basic dye with molecular weight 288.37 (as cation), melting point approximately 235°C (decomposition), and maximum absorption wavelength around 544 nm.
Uses:Used for dyeing cotton, linen, acrylic and other fibers, as well as for coloring paper and leather, biological tissue staining, and as an acid-base indicator. It can also be used as an analytical reagent.
Technical Specifications:
Content ≥ 99%
Melting point ≥ 235°C (decomposition)
Drying loss ≤ 1.0%
Water insoluble matter ≤ 0.5%
Color shade similar to standard
English Name:Basic Red 9
CAS No.:25620-78-4
Aliases:Pararosaniline
Molecular Formula:C19H18N3+
Physical Properties:Appears as dark red powder or green lustrous crystals; soluble in water and ethanol with red color, slightly soluble in ether, insoluble in benzene. It is a triphenylmethane basic dye with molecular weight 288.37 (as cation), melting point approximately 235°C (decomposition), and maximum absorption wavelength around 544 nm.
Uses:Used for dyeing cotton, linen, acrylic and other fibers, as well as for coloring paper and leather, biological tissue staining, and as an acid-base indicator. It can also be used as an analytical reagent.
Technical Specifications:
Content ≥ 99%
Melting point ≥ 235°C (decomposition)
Drying loss ≤ 1.0%
Water insoluble matter ≤ 0.5%
Color shade similar to standard
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常见问题
- 碱性红9的 CAS 号是多少？
- 碱性红9的 CAS 号是 25620-78-4。
- 碱性红9的分子式和分子量是什么？
- 碱性红9的分子式为 C19H18N3+。
- 碱性红9的英文名称是什么？
- 碱性红9的英文名称为 Basic Red 9。
- 碱性红9还有哪些别名？
- 碱性红9又称 副品红。
- 碱性红9有哪些供应商和生产厂家？
- 掌上化工当前收录 1 条碱性红9供应报价，来自 1 家供应商，可按地区、纯度、级别筛选对比。
- 碱性红9的供应商主要分布在哪些地区？
- 碱性红9的供应商主要分布在 上海市（1 条） 等地。
- 碱性红9有哪些级别可选？
- 平台上碱性红9的供应级别包括 工业级。
- 碱性红9的报价单位是什么？
- 碱性红9的报价单位主要有 千克。
- 哪里可以查到碱性红9的价格？
- 掌上化工碱性红9产品页汇总了各供应商的最新报价与规格，地址：/chemicals/25620-78-4/。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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