Optical Brightener CBS-X, also know as Fluorescent Brightener 351 or oba 351, is a popular optical brightener. It is widely used in industries such as detergents, dyeing, papermaking, cosmetics, etc., especially in laundry detergent, laundry cream, liquid detergent, fabric softener, and finishing agent. OBA 351 can be used alone or in combination with other types of fluorescent brighteners according to different needs.
Technical Specs of Optical Brightener CBS-X
Chemical Name: Fluorescent Brightener 351
CAS No: 27344-41-8
Molecular Formula: C28H23NaO6S2
Molecular Weight: 562.564
Appearance: light yellow green powder
Melting Point: >300°C (dec.)
Purity: ≥99.0%
Volatiles: ≤0.2%
Ash: ≤0.1%
Properties of Optical Brightener CBS-X
Optical Brightener CBS-X belongs to the derivatives of styrene biphenyl, with a maximum absorption spectrum of 349nm in distilled water. Its solubility in water can reach 25g/L at 25 ℃ and 300g/L at 95 ℃. Fluorescent Brightener 351 has no harm to human health and is environmentally safe and pollution-free under the recommended dosage and general usage conditions.
Optical Brightener CBS-X has many good qualities for whitening and brightening fabric products.
- Excellent resistance to chlorine bleaching, oxygen bleaching, strong acid and alkali.
- Fast whitening speed, Optical Brightener CBS-X can achieve a high whiteness in an extremely short time.
- Has a strong whitening effect on cellulose fibers, polyamides, protein fibers, cotton fabrics, both in cold and warm water, while other Optical Brightener agents have poor whitening effect at low temperatures.
- Has good mobility, in low temperatures, small baths can evenly whiten clothes without producing spots.
- Has great sun fastness and excellent sweat resistance, which helps maintain the fabrics pristine appearance even after multiple washes.
- Has good stability in super concentrated liquid detergents and heavy scale fluid detergents.
Applications of Optical Brightener CBS-X
Optical Brightener CBS-X is non-toxic and allows for contact with food, meeting environmental requirements. It is widely used in industries such as detergents, dyeing, papermaking, cosmetics, especially in laundry detergent, concentrated liquid detergent, fabric softener, soap and finishing agent. It can be used alone or in combination with other types of fluorescent brighteners according to different needs.
Packaging and Storage
Optical Brightener CBS-X is packed in fiber drum lined with plastic film with 25 kgs per drum, or packed according to requirement. Optical Brightener CBS-X is stored in cool and dry place without direct sunlight. The Shelf life of CBS-X is at least 2 years.
