Optical Brightener Ob-1 Green Yellow CAS: 1533-45-5

• CAS NO.: 1533-45-5
• Formula: C28h18n2o2
• EINECS: 216-245-3
• Colour: Yellow, Green
• Appearance: Powder
• Usage: Plastic
• Model NO.: Intermediate
• Application Material: Plastic
• Type: Synthetic
• Composition: C28h18n2o2
• Solubility: Insolubility
• Name: Ob-1
• Transport Package: 25kg/Drum
• Specification: In-house
• Trademark: SCM Pioneering
• Origin: China
• HS Code: 29
• Production Capacity: 200mt/Month

Product Description

Item Name:Optical brightener OB-1 Green
CAS No:1533-45-5                      
C.I. No.FWA393

Items	Standard Value
Appearance	Greenish crystal powder
Melting Point	357-361ºC
Purity	≥98.5%
Color Shade	blue
Fineness	≥300 mesh
Water-fast Content	≤0.5%
Ashes	≤0.2%

    
 

Package	25KG/drum or carton, with PE liner inside. On fumigation-free pallet, one pallet max loading 600kg.
Dimension	1CBM/200kg

Appearance: bright yellow green crystalline powder
Purity: ≥98.5%
Melting point: 355-360ºC
Solubility: insoluble in water, soluble in benzene dichloride and other high boiling point organic solvents
Packing: 25KG fiber drum lined with double-layer plastic bag
Uses: in whitening polyester fiber, in whitening and brightening polyester, cotton and other fiber blended fabrics