Catalysts and Auxiliaries

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Catalysts and Auxiliaries

Catalysts and auxiliaries encompass substances that accelerate chemical reactions, regulate polymer behavior, modify material properties, or enhance processing efficiency. This category includes precious-metal catalysts, polymerization catalysts, coupling agents, antioxidants, UV absorbers, flame retardants, brighteners, and plastic–rubber auxiliaries. Catalysts enable high-selectivity synthesis, lower reaction energy, and improve industrial productivity. Auxiliaries support stabilization, crosslinking, aging resistance, and performance enhancement in polymers, coatings, textiles, and electronic materials. Together, they form essential components in chemical manufacturing, petrochemicals, advanced materials, and specialty processing industries.

Polyethylene Glycol Derivatives

PEG derivatives function as surfactants, solubilizers, dispersants, humectants, and reaction intermediates in pharmaceuticals, cosmetics, coatings, and polymer modification. Their excellent water compatibility and flexible molecular design make them valuable across numerous formulation systems and chemical processes.

Polyethylene Glycol Monostearate CAS NO 106-11-6

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CAS No.:106-11-6

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Content:99.0%

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Peg-9 Distearate CAS NO 109-34-2

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CAS No.:109-34-2

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Peg-4 Distearate CAS NO 142-20-1

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CAS No.:142-20-1

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2,5,8,11,14,17-Hexaoxaoctadecane CAS NO 1191-87-3

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CAS No.:1191-87-3

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H2N-Peg11-Oh CAS NO 15332-94-2

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CAS No.:15332-94-2

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Content:99.90%

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H2N-Peg9-Oh CAS NO 15332-95-3

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CAS No.:15332-95-3

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20-Hydroxy-3,6,9,12,15,18-Hexaoxaicos-1-Yl Laurate CAS NO 15901-19-6

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CAS No.:15901-19-6

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Mpeg3-Ch2Cooh CAS NO 16024-60-5

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CAS No.:16024-60-5

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Fluorescent Brighteners

Fluorescent brighteners absorb ultraviolet light and re-emit it as visible blue light, enhancing whiteness and brightness of textiles, detergents, plastics, and paper. They improve product appearance by counteracting yellowing and enhancing visual clarity. High stability and strong fluorescence efficiency are essential for industrial applications.

4-Nitro-4'-Aminostilbene-2,2'-Disulfonic Acid CAS NO 119-72-2

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CAS No.:119-72-2

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4,4'-Dinitrostilbene-2,2'-Disulfonic Acid CAS NO 128-42-7

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CAS No.:128-42-7

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2-(4-Aminophenyl)-6-Methyl-1,3-Benzothiazole-7-Sulfonic Acid CAS NO 130-17-6

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CAS No.:130-17-6

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2-(p-Nitrophenyl)-2H-Naphtho[1,2-D]Triazole-6,8-Disulphonic Acid CAS NO 130-34-7

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CAS No.:130-34-7

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2-[4-[2-(4-Nitro-2-Sulphophenyl)Vinyl]-3-Sulphophenyl]-2H-Naphtho[1,2-D]Triazole-5-Sulphonic Acid CAS NO 131-43-1

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CAS No.:131-43-1

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Fluorescent Brightener 9 CAS NO 133-66-4

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CAS No.:133-66-4

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Disodium (4-Methyl-2-Oxo-2H-1-Benzopyran-6,7-Diyl)Disulphate CAS NO 1040-23-9

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CAS No.:1040-23-9

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Fluorescent Brightener 135 CAS NO 1041-00-5

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CAS No.:1041-00-5

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Precious Metal Catalysts

Precious metal catalysts-such as those based on platinum, palladium, rhodium, and gold-enable highly efficient hydrogenation, oxidation, coupling, and fine-chemical transformations. They play essential roles in pharmaceuticals, petrochemicals, electronics, and environmental processes. Their high activity and selectivity make them indispensable in advanced catalytic technologies.