荧光增白剂 378 (CAS No.40470-68-6)
- 中文别名
- 4,4'-双(2-甲氧基苯乙烯基)联苯；光学增白剂378；增白剂378
- 英文名称
- Fluorescent Brightener 378
- 分子式
- C30H26O2
- 所属类别
- 食品添加剂
- 物化性质
- 分子量约418.53，淡黄色结晶粉末，无显著气味；不溶于水，可溶于甲苯、二甲苯、三氯甲烷、丙酮等有机溶剂。熔点约115～120℃，热稳定性好，耐光性强，在聚合物基质中呈现蓝色荧光。
- 外观
- 淡黄色结晶粉末，无可见杂质。
- 熔点
- 115～120℃。
English description（英文原文，共 1081 字符）
Product Name:Fluorescent Brightener 378
English Name:Fluorescent Brightener 378
CAS No.:40470-68-6
Aliases:4,4'-Bis(2-methoxystyryl)biphenyl, Optical Brightener 378, Fluorescent Whitening Agent 378
Molecular Formula:C30H26O2
Physical Properties:Molecular weight approximately 418.53. Light yellow crystalline powder with no significant odor. Insoluble in water; soluble in toluene, xylene, chloroform, acetone and other organic solvents. Melting point approximately 115–120 °C. It has good thermal stability and light fastness and exhibits blue fluorescence in polymer matrices.
Uses:It is mainly used as a fluorescent brightener for plastics such as polyester, polycarbonate, polystyrene and acrylic resins, as well as for synthetic fibers, films, coatings and inks. At low addition levels, it effectively removes yellow cast and gives products a bright blue-white appearance.
Technical Specifications:
Appearance: light yellow crystalline powder, free from visible impurities.
Melting point: 115–120 °C.
Assay (HPLC): ≥98.0%.
Water content: ≤0.5%.
Ash content: ≤0.1%.
English Name:Fluorescent Brightener 378
CAS No.:40470-68-6
Aliases:4,4'-Bis(2-methoxystyryl)biphenyl, Optical Brightener 378, Fluorescent Whitening Agent 378
Molecular Formula:C30H26O2
Physical Properties:Molecular weight approximately 418.53. Light yellow crystalline powder with no significant odor. Insoluble in water; soluble in toluene, xylene, chloroform, acetone and other organic solvents. Melting point approximately 115–120 °C. It has good thermal stability and light fastness and exhibits blue fluorescence in polymer matrices.
Uses:It is mainly used as a fluorescent brightener for plastics such as polyester, polycarbonate, polystyrene and acrylic resins, as well as for synthetic fibers, films, coatings and inks. At low addition levels, it effectively removes yellow cast and gives products a bright blue-white appearance.
Technical Specifications:
Appearance: light yellow crystalline powder, free from visible impurities.
Melting point: 115–120 °C.
Assay (HPLC): ≥98.0%.
Water content: ≤0.5%.
Ash content: ≤0.1%.
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常见问题
- 荧光增白剂 378的 CAS 号是多少？
- 荧光增白剂 378的 CAS 号是 40470-68-6。
- 荧光增白剂 378的分子式和分子量是什么？
- 荧光增白剂 378的分子式为 C30H26O2。
- 荧光增白剂 378的英文名称是什么？
- 荧光增白剂 378的英文名称为 Fluorescent Brightener 378。
- 荧光增白剂 378还有哪些别名？
- 荧光增白剂 378又称 4,4'-双(2-甲氧基苯乙烯基)联苯、光学增白剂378、增白剂378。
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