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KSN CAS No 5242-49-9 Optical Brighteners In Laundry Detergent Ash <0.5% With MSDS

Good quality Fluorescent Brightening Agent for sales
Good quality Fluorescent Brightening Agent for sales
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Package prepration was really fast and the delivery was even faster. Always liked dealing with Lianda company for optical brightener and pretty satisfied with the service and product.

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KSN CAS No 5242-49-9 Optical Brighteners In Laundry Detergent Ash <0.5% With MSDS

China KSN CAS No 5242-49-9 Optical Brighteners In Laundry Detergent Ash &lt;0.5% With MSDS supplier

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Product Details:

Place of Origin: China
Brand Name: Lianda
Certification: SGS
Model Number: KSN

Payment & Shipping Terms:

Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: 25kg/drum
Delivery Time: Within 3 working days upon receipt of payment
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Supply Ability: 5000 Tons per year
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Detailed Product Description
Product Name: Optical Brightener KSN(C.I. 368) CAS No.: 5242-49-9
EINECS No.: 226-044-2 Other Name: 4.4-bis(5-methyl-2-benzoxoazol)-ethylene
MF: C29H20N2O2 Melting Point: 269ºC~271°C


Optical Brightening Agent KSN CAS No.5242-49-9 for PVC Polyester Ash<0.5% With MSDS

Product Description

Product Name Optical brightener KSN(C.I. 368)
CAS No. 5242-49-9
EINECS No. 226-044-2
Other Name 4.4-bis(5-methyl-2-benzoxoazol)-ethylene
Molecular formula: C29H20N2O2
Appearance Yellow crystalline powder
Purity ≥99.95%
Melting point 269ºC~271°C
Ash: ≤0.1%
Volatile: ≤0.5%
Fineness ≥ 120 mesh
Package 20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements.

It is used in thermoplastic plastics PVC, PE, PP, PS, ABS, SAN, SB, CA, PA, PMMA, acrylic resin, polyester fiber paint, coating the brightening of printing ink.



Bright yellow crystal powder, odorless, Decomposition temperature is large than 275°C. It is hard to dissolve in water.


Dosage: Optical brightener KSN is commonly used in the amount of 0.01-0.03%, that is, each 100kg of the materials, the Optical brightener KSN takes 10g-30g or can be adjusted according to the requirements of the product or test.


Storage: To avoid light, it can be stored in cool and dry place for 24 months.



1. Suitable for the whitening of polyesters, polyamide, polyacrylonitrile etc.
2. Widely used for film, injection and extrusion materials etc.
3. Suitable for the whitening of high polymers.

KSN CAS No 5242-49-9 Optical Brighteners In Laundry Detergent Ash <0.5% With MSDS

Our Service

We supply:

1. Quality be first! We supply higher than 98% purity of optical brightener powder.

2. We are a company who founed for more than ten years,with advance technical and testing equipment, and very strict control system.

3. OEM and ODM are welcomed.

4. Corporate Mode: We treat clients not only as partners but also as friends.

5. Fast & Cheap Delivery: We have contracted long-term forwarder partners, providing cheapest air, express, and ocean shipment according to your requirements, in-time tracking and

24 hours phone or online after-sales services.


We will achieve this by being a reliable manufacturer to our global clients adhering to the core values of

- Dedication to our customers’ success

- Respect for our employees

- Innovation

- Integrity

Contact Details
Changsha Lianda Chemical Co., Ltd.

Contact Person: admin

Tel: +8618570351751

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