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Quick Details

  • CAS No.: 13001-38-2
  • Other Names: Optical brightener ER-II
  • MF: C24H16N2
  • EINECS No.: 216-245-3
  • Place of Origin: Shandong, China (Mainland)
  • Type: Optical brighteners agent
  • Usage: Plastic Dyestuffs
  • Brand Name: Colorchem
  • Model Number: OBA for the Plastic
  • Product name: Optical Brightener Agent Fluorescent Brightener 199:1
  • Appearance: Pale yellow powder
  • C.I.NO: Fluorescent Brightener 199:1
  • Shade: Similar to standard
  • Application: Plastic

Packaging & Delivery

Packaging Details: Packed in 25 kgs bag
Delivery Detail: within 15 days after the order confirmation


Product Description

1.  Product name

Optical Brightener Agent Fluorescent Brightener 199:1


2. Product Series

items C.I.NO
Optical brightener FP 127Fluorescent Brightener 378
Optical brightener OBFluorescent Brightener 184
Optical brightener OB-1Fluorescent Brightener 393
Optical brightener OB-2Fluorescent Brightener OB-2
Optical brightener KSNFluorescent Brightener 368
Optical brightener KCBFluorescent Brightener 367
Optical brightener EBFFluorescent Brightener 185
Optical brightener ER-IFluorescent Brightener 199
Optical brightener ER-IIFluorescent Brightener 199:1

 3. Product Information

Product Name Optical Brightener Agent Fluorescent Brightener 199:1
C.I. Fluorescent Brightener 199:1
CAS 13001-38-2
Molecular Weight  332.40
Molecular Formula C24H16N2
EINECS NO. 216-245-3
Apparence Pale yellow powder
Type OBA
Packing  25kgs Fiber Drum or 1000kgs IBC drum
Payment T/T,D/P,L/C
Brand Colorchem
Usage plastic

4. Product Specification

 1.Stilbene-like compound and not soluble in water, appearing non-ionic.   

2.Used for whitening of polyester fiber in printing and dyeing industry and in possession of extremely high fluorescence intensity and whiteness, color fastness to sunlight of 4-5 grade and color fastness to washing of 4-5 grade.

 5. Product Advantage

High and Full Strength

Good Purity

Competitive Price  


A good whitening agent for polyester, polyester/cotton, polyester/yarn,


polyester/wool and polyester/hemp.


 Packed in 25kgs Fiber Drum or 1000kgs IBC drum

Packing details can be adjusted according to requirements



Business Transaction

1.About Samples

2.Samples Mailing


  Minimum order quantity can be flexible according to customers' requirement.

4.Delivery and Shipment

  Lead Time: Normally around 15 days after order confirmation.

  Shipping: By Air, By Sea, By Multimodal Transportation 

5.Port of Loading

  Qingdao Port, Shanghai Port, Tianjin Port or any other Chinese port.



  Specific payment  can be negotiated accordingly. 

7.Sales Network 

Our products have been exported to 52 countries in North America, South America, Europe, Middle East, Southeast Asia, Africa etc. We’ve established good and stable relationships with all our customers.



Company Information

1. Company Introduction

Qingdao Sanhuan Colorchem Co., Ltd. is a professional pigments, dyes and resins supplier. We were established for import and export service of two pigment factories, two resin factories and three dyes factories in our group.


We aimed at high-quality products, competitive price and guaranteed delivery time which earn us high reputation and good trust from customers all over the world.


Taking “Quality, Integrity, Innovation, Service” as central tenets, we have established long-term stable and friendly cooperation relationships with customers from North America, South America, Europe, Middle East, Southeast Asia, Africa and other areas.


With the joint effort of our foreign trade team, after- sales team , R&D work team and Warehousing & logistics staff, we aim to continuously provide more satisfying products and more thoughtful service for every customer, hoping to keep creating “win-win” business cooperation.

2. Company Organization

3.Production line

20 years history of manufacturing, advanced equipment and strict production process guarantee that our product quality is stable and superior.

4.QC and R&D

Research and development are always valued a lot during our exporting business operation. We have special experts working to test and develop new products suitable for markets.

5.Sales Team

Four Professional Sales Teams in charge of Dyes, Pigments, Resins and OBA Separately.

6.After-Sales Services

Every customer’s feedback will be appreciated and valued, and our technicians will give prompt answers and supporting against any questions, suggestions or complains of products quality or applications.


Our production and company management are certified by BV certification authority.Some of our products acquired REACH pre-registration according to customers and market's requirement.

SGS, ROCH, FOOD CONTACT AND TOY CONTACT are also available based on requirement. 

8.Alibaba and Trade Assurance

We are a 9 years golden supplier of Alibaba , and our work is highly approved by Alibaba.We are the member of Alibaba trade assurance. Alibaba.com ensure your order quality and timely.My trade assurance account on Alibaba.com is US $108,000.

9.Unique market orientation

With 15 years history of exporting and rich experience of exhibition participation and reception, we have abtainedaccurate understanding of market trends and customers specialty.


Based on all our unremitting efforts, we are turning to provide our customers with customized and exclusive products and business solutions!


Contact Information

Please feel free to contact me for further information. :)

Qingdao Sanhuan Colorchem will always be your reliable partner!



Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

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China (Mainland) | Trading Company
Transaction Level:
Supplier Assessments:
7 Transactions 200,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $244,000
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