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Zhejiang Hongda Chemicals Co., Ltd.

22 YRS

Zhejiang, China

CNY 102.7 Million

66600 m²

100-500 people

Main Products: 4,4'-Bis(Chloromethyl)-1,1'-Biphenyl / Fluorescent Brightening Agent / Phosphorous acid / 2-Chlorobenzaldehyde / Methanol

Zhejiang, China

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Nonionic fluorescent brightener / CAS 4404-43-7

OVERVIEW

Packaging

25 KG/Fibre Drum

Lead Time

14-30 days

Max Capacity

4000 MT/Year

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DESCRIPTION

Fluorescent brightener, also known as optical brightener, is a fluorescent dye that excites fluorescence under ultraviolet light. It is mainly used in textile printing and dyeing industry to improve the whiteness and luster of various natural and synthetic fiber fabrics. In recent years, its application in papermaking, plastics, leather, soap, synthetic detergent and other commodity industries has also increased rapidly. Its characteristic is that it can convert ultraviolet light into blue, blue purple or red visible light, produce optical whitening effect, and produce fluorescence due to the excitation of incoming light, so that the dyed material can obtain a glittering effect similar to fluorspar. The function of fluorescent whitening agent is to significantly improve the whiteness of paper and make it beautiful, which can not be achieved by any chemical bleaching agent. Therefore, fluorescent whitening agent is widely used in the whitening treatment of high-grade paper

Typical Properties

Fluorescent brightener is a substance that can absorb ultraviolet rays from sunlight or other light sources and emit blue to purple fluorescence, so that materials can produce whitening and luster effects. It is also called optical whitening agent because it uses the optical complementary color function to make the dark matter appear white and bright after fluorescent whitening.

CAS No.

4404-43-7

Formula

C40H44N12O10S2

Molecular Mass

916.982

Exact Mass

916.274

PSA

338.36000

Logp

5.73040

IUPAC

5-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-[(E)-2-[4-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid

SMILES

C1=CC=C(C=C1)NC2=NC(=NC(=N2)N(CCO)CCO)NC3=CC(=C(C=C3)/C=C/C4=C(C=C(C=C4)NC5=NC(=NC(=N5)NC6=CC=CC=C6)N(CCO)CCO)S(=O)(=O)O)S(=O)(=O)O

Matter Classification

organic

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