荧光增白剂 33 (CAS No.61902-19-0)
- 中文别名
- 荧光增白剂33号；光学增白剂33；荧光增白剂FBA-33
- 英文名称
- Fluorescent Brightener 33
- 分子式
- C36H34N12Na2O8S2
- 所属类别
- 染料颜料
- 物化性质
- 淡黄色至黄色均匀粉末。溶于水，水溶液呈清澈蓝色荧光，微溶于乙醇。在紫外光下发出蓝紫色荧光，最大发射波长约440nm。耐酸、耐碱性能中等，在pH值6~9范围内稳定。
- 外观
- 淡黄色至黄色均匀粉末。
English description（英文原文，共 1156 字符）
Product Name:Fluorescent Brightener 33
English Name:Fluorescent Brightener 33
CAS No.:61902-19-0
Aliases:Fluorescent Brightening Agent 33, Optical Brightener 33, FBA 33
Molecular Formula:C36H34N12Na2O8S2
Physical Properties:Light yellow to yellow uniform powder. Soluble in water, the aqueous solution shows a clear blue fluorescence; slightly soluble in ethanol. Emits blue-violet fluorescence under ultraviolet light, with maximum emission wavelength around 440 nm. Moderate resistance to acid and alkali; stable in the pH range of 6-9.
Uses:Mainly used in textile, papermaking, and detergent industries for fluorescent whitening of cellulosic fibers such as cotton, linen, and viscose, as well as paper. Also used in daily chemical products such as soap powders and laundry detergents to improve whiteness and brilliance, giving treated materials a bright blue-violet fluorescence.
Technical Specifications:
Appearance: light yellow to yellow uniform powder.
Shade: pure blue-violet fluorescence under ultraviolet light.
Strength (relative to standard sample): 100±3 points.
pH value of 1% aqueous solution: 7.0-9.0.
Moisture content: ≤5.0%.
English Name:Fluorescent Brightener 33
CAS No.:61902-19-0
Aliases:Fluorescent Brightening Agent 33, Optical Brightener 33, FBA 33
Molecular Formula:C36H34N12Na2O8S2
Physical Properties:Light yellow to yellow uniform powder. Soluble in water, the aqueous solution shows a clear blue fluorescence; slightly soluble in ethanol. Emits blue-violet fluorescence under ultraviolet light, with maximum emission wavelength around 440 nm. Moderate resistance to acid and alkali; stable in the pH range of 6-9.
Uses:Mainly used in textile, papermaking, and detergent industries for fluorescent whitening of cellulosic fibers such as cotton, linen, and viscose, as well as paper. Also used in daily chemical products such as soap powders and laundry detergents to improve whiteness and brilliance, giving treated materials a bright blue-violet fluorescence.
Technical Specifications:
Appearance: light yellow to yellow uniform powder.
Shade: pure blue-violet fluorescence under ultraviolet light.
Strength (relative to standard sample): 100±3 points.
pH value of 1% aqueous solution: 7.0-9.0.
Moisture content: ≤5.0%.
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常见问题
- 荧光增白剂 33的 CAS 号是多少？
- 荧光增白剂 33的 CAS 号是 61902-19-0。
- 荧光增白剂 33的分子式和分子量是什么？
- 荧光增白剂 33的分子式为 C36H34N12Na2O8S2。
- 荧光增白剂 33的英文名称是什么？
- 荧光增白剂 33的英文名称为 Fluorescent Brightener 33。
- 荧光增白剂 33还有哪些别名？
- 荧光增白剂 33又称 荧光增白剂33号、光学增白剂33、荧光增白剂FBA-33。
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