Fluorescent Brightener 49 Optical Brightener Dbh for PVC Whitening Process

• CAS No.: 27344-41-8
• Formula: C28h23nao6s2
• EINECS: 248-421-0
• Appearance: Powder
• Usage: Rubber Auxiliary Agents, Plastic Auxiliary Agents, Coating Auxiliary Agents, Textile Auxiliary Agents, Paper Chemicals, Leather Auxiliary Agents
• Color: Yellow
• Model NO.: DBH
• Product Catalogue: Optical Brightener/Fluorescent Brightener
• Product Name: Optical Brightener Dbh
• Kind: Fixing Agent
• Application: Pretreatment Auxiliary, Textile Printing Auxiliary
• Purity: 99%Min
• Reach: Available
• Transport Package: Bag, Drum
• Specification: 1kg/bag; 25kg/drum
• Trademark: LD Chemical
• Origin: Changsha, Hunan
• HS Code: 32042000
• Production Capacity: 60-80mt/Month

Product Description

Product Description

Common Name:   Fluorescent Brightener DBH
Other Name:  Fluorescent Brightener 49
C.I.:  49
CAS No.:   27344-41-8
EINECS No.:  248-421-0
Appearance:  Yellow-green powder 
Molecular Formula:  C28H23NaO6S2

 

C.I.	49
CAS NO.	27344-41-8
Molecular Formula	C28H20NaO6S2
Appearance	Yellow-green powder
Melting Point	219-221 ºC
Content	≥ 98%
Moleclar Weight	562.56
Ultraviolet Absorption	1105-1181
Colored Light	Blue light
Max. Absorption Wavelength	349 nm
Application	Suitable for the whitening and brightening of plastics such as PVC granulation, PS and ABS.

 

Application Industries

It is suitable for the whitening processing of PVC cable materials and has a good whitening effect.

Performance Characteristics

1. Good fluorescence intensity, high whiteness, suitable for PVC cable material whitening and brightening. 
2. Good thermal stability, no decomposition at 330°C.

 

Packaging & Shipping

 

Package: 25KG bag/cardboard drums are packed in double lined bags for Manufacturer supply Optical Brightener 4BK fluorescent dyes for cotton

Shipment:
Whether you have your own freight-forwarder or  you would like us to organize shipment ; whether you
require delivery FOB to a port in China or CIF to a port near you,we are happy to quote and supply whichever
way you choose. Please feel free to discuss all options with us . 
Our delivery time : Within 20days after got T/T or L/C bank copy



Payment:
We support a variety of payment terms like T/T, L/C at sight, DP, C.A.D etc. If customers need forward
payment term like T/T 30 days or L/C 60 days, we will also try to meet their demand based on customers'
reputation and consumption.