About Us

At Wenzhou Blue Dolphin New Material Co., Ltd., we specialize in the research, development and manufacturing of high-performance optical brighteners for detergents, plastics, textiles, papermaking, paints, coatings and inks industries.
We go beyond manufacturing optical brighteners. We help customers select the right solutions for their formulations, improve whiteness and visual appearance, optimize production efficiency, minimize yellowing, reduce formulation costs and ensure consistent manufacturing performance.
Every application presents unique technical challenges. Alongside our standard product portfolio, we provide customized optical brightener solutions tailored to specific formulations, production processes and performance requirements. Whether refining an existing formulation or developing a new product, we work closely with customers to deliver practical, application-driven solutions.
Combining product expertise, application knowledge and responsive technical support, we are committed to helping manufacturers, formulators and distributors create higher-value products and strengthen their long-term competitive advantages.
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Hot Products

  • Optical Brightener 4BK | Fluorescent Whitening Agent for Cotton, Textile and Paper cas 12768-91-1

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  • Optical Brightener BBU for Paper and Textile | C.I. Fluorescent Brightener 220 | CAS No. 16470-24-9

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  • Optical Brightener KSB for Plastics and EVA Foam | C.I. Fluorescent Brightener 369

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  • Optical Brightener VBL C.I. Fluorescent Brightener 85 | CAS No. 12224-06-5

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  • Optical Brightener CXT for Detergents and Textiles C.I. Fluorescent Brightener 71, Fluorescent Brightener 260 | CAS No. 16090-02-1

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Our Advantages

What sets us apart from our competitors is our commitment to customer satisfaction. Our biggest selling points are our reliability, consistency and client-centric approach. We have built a reputation for delivering the highest quality products on time and at competitive prices. Additionally, we believe in building long-term relationships with our clients because we know mutual trust and collaboration are critical to success.

Wen Zhou Blue Dolphin New Material Optical Brightener Solutions

New Products

  • Optical Brightener ST-II for Waterborne Paints, Inks & Coatings

    Optical Brightener ST-II for Waterborne Paints,...

    Key Features Good Water Solubility Optical Brightener BBU has good water solubility, making it suitable for compatible aqueous papermaking and textile processing systems. Suitable for Papermaking Applications BBU can be used in different papermaking processes, including paper pulp, surface sizing and paper coating, where improved optical whiteness and brightness are required. Suitable for Cellulosic Textiles BBU is suitable for the fluorescent whitening of cotton, viscose and other compatible...

  • Optical Brightener CXT for Detergents & Textiles | C.I. Fluorescent Brightener 71 | CAS No. 16090-02-1

    Optical Brightener CXT for Detergents & Te...

    Key Features Suitable for Detergent Applications Optical Brightener CXT is widely used in synthetic detergents and washing powders to provide fluorescent whitening performance and help improve the perceived whiteness and brightness of washed fabrics. Suitable for Soap CXT can be incorporated into compatible soap and toilet-soap formulations where fluorescent whitening performance is required. Suitable for Cotton & Textiles Optical Brightener CXT can be used for fluorescent whitening of co...

  • Sodium Palmitate CAS:408-35-5

    Sodium Palmitate CAS:408-35-5

    Sodium palmitate is a sodium salt derived from palmitic acid, a saturated fatty acid found in palm oil and animal fat. It is a white solid substance, very soluble in water, versatile and easy to use. One of the main properties of sodium palmitate is its ability to act as a surfactant, meaning it lowers the surface tension of liquids and facilitates their mixing. This incredible chemical is widely used in the production of cosmetics, personal care products and soaps. Sodium palmitate is known ...

  • Uv absorber BP-4 CAS: 4065-45-6

    Uv absorber BP-4 CAS: 4065-45-6

    At its core, BP-4 Cas:4065-45-6 is a highly advanced UV absorber that acts as a barrier against UVA and UVB rays. Its superior ability to filter harmful UV radiation ensures that your skin remains protected even during prolonged sun exposure. Not only does it protect the skin from the sun, it also helps prevent skin damage, premature aging, and even certain skin cancers.  BP-4 Cas:4065-45-6 has an unrivaled ability to deflect UV rays, making it an indispensable ingredient in a variety of suns...

  • ETHYL LAUROYL ARGINATE HCL CAS:60372-77-2

    ETHYL LAUROYL ARGINATE HCL CAS:60372-77-2

    Ethyl Lauroyl Arginate Hydrochloride is a versatile and potent compound. It is widely used in the cosmetics, personal care and pharmaceutical industries. This unique compound acts as a surfactant, emulsifier and conditioning agent, making it an excellent additive in a variety of formulations. One of the main characteristics of ethyl lauroyl arginate hydrochloride is its mild yet powerful cleansing properties. It helps remove impurities and excess oil from skin and hair, leaving them feeling r...

  • ISOAMYL LAURATE CAS: 6309-51-9

    ISOAMYL LAURATE CAS: 6309-51-9

    One of the main advantages of isoamyl laurate is its excellent biodegradability. In an era when environmental sustainability is paramount, this compound offers an environmentally friendly alternative to traditional chemicals. By choosing Isoamyl Laurate, you can help protect our planet while enjoying the remarkable benefits it has to offer. In the cosmetic industry, isoamyl laurate is popular for its excellent emollient properties. This compound is a lightweight, non-greasy moisturizer that l...

  • Lauric acid CAS143-07-7

    Lauric acid CAS143-07-7

    Product Specifications - Chemical Name: Lauric Acid - CAS Number: 143-07-7 - Chemical Formula: C12H24O2 - Appearance: White solid - Melting Point: 44-46°C - Boiling Point: 298-299°C - Density: 0.89 g/cm3 - Purity: ≥ 99%    Applications - Skincare and personal care products: Lauric acid enhances the cleansing and moisturizing properties of soaps, lotions, and creams, providing a luxurious and hydrating experience. - Pharmaceutical industry: It is widely used in the production of ointments...

  • Guaiacol CAS: 90-05-1

    Guaiacol CAS: 90-05-1

    Guaiacol, also known as o-methoxyphenol, is an organic compound derived from guaiac wood, or creosote oil. The molecular formula of guaiacol is C7H8O2, which has a pleasant aroma and is often used in the production of spices, fragrances and pharmaceuticals. It is a valuable ingredient in the manufacture of synthetic vanillin, which is widely used in the food and beverage industries. One of the prominent applications of guaiacol is its use in the pharmaceutical industry as an effective expecto...

  • Bis[3-(triethoxysilyl)propyl]amine CAS:13497-18-2

    Bis[3-(triethoxysilyl)propyl]amine CAS:13497-18-2

    Our Bis[3-(Triethoxysilyl)propyl]amine CAS13497-18-2 is a high quality product that complies with stringent industry standards. This compound is carefully synthesized using advanced processes to ensure its purity, consistency and optimum performance. One of the key advantages of CAS13497-18-2 is its excellent coupling agent performance. When applied to coatings and sealants, it creates a strong bond between organic and inorganic substrates, increasing overall material strength and durability....

  • Methylisothiazolinone/MIT CAS:2682-20-4

    Methylisothiazolinone/MIT CAS:2682-20-4

    Methylisothiazolinone (MIT) is a potent broad-spectrum fungicide belonging to the isothiazolone family. It is a light yellow liquid with a characteristic odor and has excellent stability under various conditions.  MIT is widely used in industrial, commercial and household applications, making it an important ingredient in many consumer products. MIT is known for its highly effective antimicrobial properties, fighting bacteria, fungi and algae. It effectively inhibits the growth and reproducti...

  • Hexanediol CAS:6920-22-5

    Hexanediol CAS:6920-22-5

      DL-1,2-Hexanediol has applications in various industries, mainly as solvent, viscosity control agent, emollient and emulsifier. It is widely used in the cosmetic and personal care industries as a humectant in skin care products such as lotions, creams and serums. Due to its moisturizing properties, DL-1,2-Hexanediol helps improve skin elasticity and prevent moisture loss. In addition to skin care products, DL-1,2-hexanediol is also used in the pharmaceutical field as an intermediate in...

  • Octyl-2H-isothiazol-3-one/OIT-98 CAS:26530-20-1

    Octyl-2H-isothiazol-3-one/OIT-98 CAS:26530-20-1

    Octyl-4-isothiazoline-3-One (CAS26530-20-1) is a highly effective and versatile chemical solution that acts as an effective biocide against various bacteria, fungi and other microorganisms. Its unique formula provides long-lasting inhibition of microbial growth, making it the first choice for industries that depend on product longevity and durability. Our expert team crafts this product to ensure its compatibility with different manufacturing processes. It blends seamlessly into a variety of ...

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