Fluorescent Brightener 121

Polyoxyethylene lauryl ether
Polyoxyethylene lauryl ether

Fluorescent Brightener 121 paramete

Classification: Chemical Auxiliary Agent
Other Names: Fluorescent Brightener 121
EINECS No.: 220-378-2
Place of Origin: Shandong, China
Usage: Coating Auxiliary Agents, Electronics Chemicals, Paper Chemicals, Plastic Auxiliary Agents
Model Number: L-CAS2744-49-2
CAS: 2744-49-2
Stock: In stock
Color: light yellow
Application: Fluorescent Brightener 121
CAS No.: 2744-49-2
MF: C15H14ClN3O2S, C15H14ClN3O2S
Purity: 99%min
Type: Carbon Black
Brand Name: Lookchem
Product name: Fluorescent Brightener 121
Melting point: 218-219°C
Appearance: Light yellow powder
Molecular Weight: 335.80856
COA: Available

Our Services

Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Q1: I'm interested in your products, but now I'm out of China; could you offer your labels to my country?
A1: Sure! We've got full exportation experience, and no matter where you are, we may arrange the delivery for you, either by sea, by air or by express, depending on your need.
Q2: Is it possible to custom the labels with my own design?
A2: Yes, and you just need to send us your drawings or artworks, then you can get you want.
Q3: What’s your MOQ?
A :  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q4:How long is your delivery time?
A :  Generally it is 7-10 days, if we have stock. If not, maybe need 10-15 days to arrange the shipping.
 Q5: Is there a discount?
A :  Different quantity has different discount.
Q6: How do you check all the goods such as Lithium Carbonate in the production line?
A6: We have spot inspection and finished product inspection.We check the goods when they go into next step production procedure.
Q7: How to confirm the Product Quality before placing orders?
A :  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. You can send us your product specifications and requests,we will manufacture the products according to your requests.


We have rich experience in exporting to Europe and the United States and other countries for many years. Our freight forwarders have efficient customs clearance ability in countries such as Europe and the United States.When you order in our company, we will immediately arrange shipment and update tracking information for you by email.In addition,we can also arrange door to door service delivering to your office or factory directly by our forwarders.

Packaging detail

Packaging Details 25kg/drum or as your requirement
Port Shanghai or Shenzhen
Lead Time : within 1-2 days upon payment

Fluorescent Brightener 121 picture

Packaging and shipping