Optical Brightener Ob-1 for Polyester-Cotton Blend Fabric or Plastic

• CAS No.: 1533-45-5
• Formula: C28h18o2n2
• EINECS: 216-245-3
• Model NO.: FBA 393
• Appearance: Powder
• Usage: Plastic Auxiliary Agents, Textile Auxiliary Agents, Polyester-Cotton Blend Fabric
• Color: Green
• Reach: Available
• Purity: 98.5% Min
• Melting Point: 355-360°c
• Volatile Matter: Volatile Matter
• Transport Package: 25kg Fiber Drums Within Double PE Bags
• Specification: 98.5% Min
• Trademark: RITAN
• Origin: China
• HS Code: 3204200000
• Production Capacity: 1000mt

Product Description

Optical Brightener OB-1 for polyester-cotton blend fabric or plastic

Other name: Fluorescent brightener C.I.393
CAS NO: 1533-45-5
Appearance: Greenish yellow powder
Purity: 98.5%Min
Melting point: 355-360°C

Solubility: insoluble in water,but soluble in high boiling point organic solvent such as phenyl-chloride

Usage: A good whitening agent for polyester-cotton blend fabric or various kinds of plastics and their products under high temperature.

Packing: 25kgs fiber drums within doublue PE bags.

SPECIFICATION

Items	Specifications	Results
Appearance	Yellow or yellowish green powder	Conform
Assay (HPLC)	≥98.5%	98.90%
Melting point	355~360ºC	357.4~358.8ºC
Volatile matter	≤0.5%	0.29%

RITAN Catalog - Optical Brightener


The apperance of RITAN optical brighterner: