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Flyadd® OB-1

CAS Number
1533-45-5
EC Number
216-245-3
Chemical Name
44′-Bis(2-benzoxazolyl)stilbene

Flyadd® OB-1 is an optical brightener that is used as a good whitening agent for polyester-cotton blend fabric or various kinds of plastics and their products under high temperatures. This product is insoluble in water, but soluble in high boiling point organic solvents such as phenyl-chloride.

Properties

Physical Form
  • Crystals
  • Powder
  • Solid

Product families

Applications

Industrial — Leather & Textiles
  • Textile Manufacturing

Product Families

Pigments & Colorants — Dyes
  • Specialty Dyes
Plastics — Polymer Additives
  • Pigments & Colorants
Industrial Additives & Materials — Textile & Leather Chemicals
  • Pre-Treatment Auxiliaries

Other characteristics

Brand
Flyadd
Color
  • Green, Yellow
  • Green
  • Yellow
Functions
Optical Brightener, Whitening Agent
Compatible Fibers
Cotton, Polyester
Compatible Polymers & Resins
Polyesters
Markets
Industrial
Dye Type
Fluorescent Dyes
Appearance
Bright green - yellowish crystals powder
Solubility

Insoluble in water, but soluble in high boiling point organic solvent such as phenyl-chloride.

Technology
  • Industrial Additives & Materials
  • Pigments & Colorants
  • Plastics
Packaging Type
  • Cartons
  • Drums
Material Features
  • High Temperature Strength
  • Low Water Solubility
  • Whitening
Packaging Information
Net 25kg/ carton drum
Compatible Polymers and Resins
Polyesters
Industrial Additives Functions
Optical Brightener
Plastics and Elastomers Functions
  • Optical Brightener
  • Whitening Agent
Compatible Substrates and Surfaces
Plastics

Technical data

Table 1 of 1

2 rows
CharacteristicValueUnit
Melting Point355 - 360°C
Puritymin. 98.5%

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