Optical brightener OB CAS NO.7128-64-5

Min.Order: 1 Kilogram
Payment Terms: L/C,T/T,Other

Product Details

Keywords

Optical brightener OB
CAS NO.: 7128-64-5
Optical brightener OB1

Quick Details

ProName: Optical brightener OB
CasNo: 7128-64-5
Molecular Formula: C26H26N2O2N2
Appearance: Light yellow white powder or milky whi...
Application: Excellent thermal stability, special w...
DeliveryTime: 2 weeks after confirmed the order
PackAge: 20kg / 25kg bag / supersacks or custom...
Port: Qingdao/Tianjin/Shanghai
ProductionCapacity: 1 Metric Ton/Day
Purity: 99%
Storage: Packing and storage: 25KG cardboard dr...
Transportation: By sea or air.
LimitNum: 1 Kilogram

Superiority

Competitive Price

Stable Supply Capacity

Professional Technical Support

Various Payment Terms and Factoring Business

Local Warehousing for Small Batch Customers

Many Years Experience in This Field

Store Stably at Room Temperature

Details

Product Introduction：

C.I.: 184

CAS NO.: 7128-64-5

Chinese alias: Fluorescent brightener 184; 2.5-bis-(5-tert-butyl-2-benzoxazolyl)thiophene

Appearance: light yellow white powder or milky white powder

Shade: bright blue fluorescence (similar to standard)

Purity: ≥99.0%

Melting point: 200-203 ° C

Solubility: hardly soluble in water, soluble in alkanes, mineral oils, common organic solvents, etc.

Uses and features: Excellent thermal stability, special whitening performance, good light stability and low volatility. It has an excellent blue effect, is easily soluble in organic solvents and has good compatibility in different substrates. This product is especially suitable for film and sheet for whitening and brightening of polyvinyl chloride, polystyrene, polyethylene polypropylene, thermoplastics, ABS, acetate, paints, paints and printing inks. The maximum absorption of the spectrum is 375 nm (in ethanol) and the maximum emission wavelength is 435 nm (in ethanol)

Instructions:

Whitening dosage 0.01~0.05%

Improve brightness: 0.001~0.01%

Colorless matrix in polyolefin: 0.0005~0.001%

White matrix: 0.005~0.05%

Packing and storage: 25KG cardboard drum lined with plastic bags. Cool, protected from light, closed and preserved