Optical Brightener Intermediate 2, 5-Thiophenedicarboxylic Acid

• CAS No.: 4282-31-9
• Formula: C6h4o4s
• Type: Synthesis Material Intermediates
• Appearance: Crystal
• Quality: Industrial
• Colour: Yellow
• Model NO.: OB acid
• Transport Package: 20kg/Bag
• Specification: 99%
• Trademark: DEBORN
• Origin: China
• Production Capacity: 30000tons/Year

Product Description

Specification 
Appearance:    white to light yellow crystal powder
Purity:≥99%
Melting point:328-330°C
Fineness: Through 100 meshes.

Application     :.
Used for the synthesis of fluorescent whitening agent.

Packing  20kgs/bag