High Purity 99% Fluorescent Whitening Agent Optical Brightener Ob-1 with Good Price CAS 1533-45-5

• Customization: Available
• CAS No.: 1533-45-5
• Formula: C28h18n2o2
• Model NO.: 1533-45-5
• EINECS: 216-245-3
• Appearance: Powder
• Usage: Oil Drilling Auxiliary Agent, Water Treatment Chemicals, Rubber Auxiliary Agents, Plastic Auxiliary Agents, Coating Auxiliary Agents, Textile Auxiliary Agents, Paper Chemicals, Surfactants, Leather Auxiliary Agents
• Color: Green
• Fusing Point: >300 °c(Lit.)
• Boiling Point: 533.34°c (Rough Estimate)
• Density: 1.2151 (Rough Estimate)
• Vapor Pressure: 0PA at 25ºC
• Refractive Index: 1.5800 (Estimate)
• Transport Package: Bag/Drum
• Specification: 1kg per bag, 25kg per drum
• Trademark: Baovi
• Origin: China
• HS Code: 3204200000
• Production Capacity: 50000mt/Year

Product Description

Product Description

 

CAS No.:	1533-45-5
Chemical formula:	C28H18N2O2
EINECS No.:	216-245-3
Molecular weight:	414.455
Another name:	2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole; Fluorescent brightener

Bright yellow, crystalline powder, insoluble in water, stable performance. It has good resistance to heat, sun, chlorine and migration.
Data tables:

Index	Content
Melting point:	357-360ºC
Boiling point:	566.8ºC at 760 mmHg
Vapour pressure	2.79E-12mmHg at 25°C
Refractive index:	1.731
Flashing point:	285.1ºC
Density:	1.39 g/cm3 (25ºC)

Specifications:

Items of Analysis	Result
Appearance	Bright yellow crystalline powder
Assay %	99.3
Volatile content %	0.06
Ignition test %	0.21
Shelf life	2 years

Detailed Photos

 

 

Packaging & Shipping

Packing: 25 kg/ bag with inner plastic bag.

Store in a cool, dry, well-ventilated area and keep away from incompatible substances.

 

Product Application

 

Application area:
1. Used in high temperature of all kinds of plastic and plastic products processing.
2. It has good heat resistance, light resistance and chlorine bleaching properties. It is used in the whitening of polyester fiber, cotton and other fiber blended fabric, and can be used in polyester original solution whitening. 
3. It can also be used for plastics such as ABS, PS, HIPS, PA, PC, PP, EVA and hard PVC,etc.

Company Profile

 

About us:
Shandong Baovi Energy Technology co.,ltd is located in Jinan city, Shandong province. 
Products include solvents, antifreeze, anticorrosion, pigment, chemicals intermediates, etc., widely used in agriculture, medicine, food sanitation and other fields.

Our Advantages

FAQ

 

FAQ:
Q1.: Are you a factory or trading company? 
  A.: We are tading company, we can help buyers to decide which products are there best choice, and all your inquiry will be replyed within 24 hours
Q2.:  Could you send me all your price list?
  A.: As we have more than thousands of items. Please inform the items you are interested in, and you will get the price list you want.
Q3.: How to confirm the Product Quality before placing orders?
  A.: 1. You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples.
        2. We have sell the chemicals for more than 15years, the quality is the important of our existence.
  Q4.: Is there a Discount?
    A.: Different quantity has different discount.
Q5.: Which mode of transport would be better?
  A.: In general, we advice to make delivery by sea which is cheap and safe, also we respect your views of other transportation as well. 
Any questions and some other chemicals, please feel free contact us!
Thank you so much!