Optical Brightening Agent Ob-1 Ob1 Fluorescent Brightener 393 / Fba 393 CAS 1533-45-5

• Customization: Available
• CAS No.: 1533-45-5
• Formula: C28h18n2o2
• Model NO.: OB-1
• EINECS: 216-245-3
• Certification: CCIC
• Environmental Protection: No
• Color: Yellow
• Kind: Plasticizer
• Appearance: Powder
• Product Name: Optical Brightener Ob-1
• CAS: 1533-45-5
• Melting Point: 357-359°c
• Purity: 99% Min
• Volatile Content: 0.5% Max
• Transport Package: in 25kg Net Cardboard Drum
• Specification: 99min
• Trademark: SWC
• Origin: China
• Production Capacity: 20mts/Month

Product Description

Product Description

 

Product Name:  Optical brightener OB-1
 
Identification
Synonyms   Benzoxazole,2,2'-(vinylenedi-p-phenylene)bis-; Fluorescent brightener 393
Molecular Formula C₂₈H₁₈N₂O₂
Molecular Weight 414.45
CAS Number 1533-45-5
EINECS/ELINCS 216-245-3
 
Properties
Appearance Green yellowish powder
Solubility in water insoluble
Stability Stable under ordinary conditions.
 

Product Parameters

 

Specification

Test Items	Standard
Appearance	Green yellowish powder
Melting point	357-359°C
Purity	99% min
Volatile content	0.5% max
Ash content	0.2% max
Moisture	0.1% max

 

Application

 

Application
OB-1 is used to increase the whiteness of polyester and polyamide fibers as well as high temperature engineering plastics, including polycarbonates, polyesters, and polyamides (nylon). The product can also be used in styrenic and acrylic polymers.
 

Packaging & Shipping

 

Packing and Storage
Packing In 25kg net cardboard drum 
Storage  Store the product in a cool, dry, well-ventilated area. Keep tightly closed.