Fluorescent whitening agent KSN

Fluorescent whitening agent KSN is a compound of stilbene dibenzimidazole type, chemical formula C29H20N2O2, CAS number 5242-49-9. The appearance is bright yellow or yellow green crystalline powder, with a melting point of 269-271 ℃ and a density of 1.26g/cm ³. It is insoluble in water but soluble in high boiling point organic solvents such as benzene trichloride. This substance exhibits better whitening effect than OB-1 in synthetic materials such as polyester fibers, plastic products (such as PET, PC, ABS, PVC), and polyamides, and has the characteristics of good compatibility and low dosage.
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Product Parameters

Product Name (English) Fluorescent whitening agent KSN
CAS5242-49-9
Physical propertiesBoth weather resistance and Baidu are excellent, making it the preferred choice for high-end plastics

Temperature resistance second only to OB-1

Application

Whitening of polymer fibers such as polyamide and polyacrylonitrile

SpecificationsDensity: 1.261g/cm3

Boiling point: 578.9 ° C at 760 mmHg

Flash point: 290.9 ° C

Steam pressure: 8.56E-13mmHg at 25 ° C

Appearance: Bright yellow powder.

Packaging

Packaged in 20kg and 25kg cardboard drums, stored in a dry and cool place.


Basic Properties

Physical and chemical properties:

Density: 1.261g/cm3

Boiling point: 578.9 ° C at 760 mmHg

Flash point: 290.9 ° C

Steam pressure: 8.56E-13mmHg at 25 ° C

Appearance: Bright yellow powder.

Structure type: Diethylbenzene dibenzimidazole type compound.

Color light: Bright red, blue, similar to the standard product.

Melting point: ≥ 295 ° C.

Solubility: Insoluble in water, soluble in high boiling point organic solvents such as benzene trichloride.

Main Applications

[Purpose 1]

Polyester fibers and plastic products are whitened and have good compatibility. KSN not only has excellent high-temperature resistance, but also has outstanding sun and climate resistance. Fluorescent whitening agent KSN is also suitable for polyamide and polypropylene

[Purpose 2]

Used for all plastics, especially in synthetic fibers, it has a strong whitening effect and can also be used for color whitening and brightening in industries such as coatings, inks, and paints

Safety Precautions


handle:

·Wear dust masks, safety goggles, and gloves during handling

·Avoid generating dust and prevent inhaling dust

·If there is eye contact, immediately rinse with plenty of water

Storage:

·Store in a cool and dry place, avoiding contact with oxidants, strong acids, and bases

·Seal the container to prevent moisture absorption and contamination

·Stay away from sources of fire and heat

Toxicity and Environment:

·Irritating to the eyes and respiratory system

·Avoid inhaling large amounts of dust

·As a common chemical treatment to avoid environmental pollution

Company Profile

Junteng Chemical is a professional chemical raw materials trading company dedicated to providing customers with one-stop procurement services. Through strict supplier, supply chain, and after-sales management, the company ensures that product quality, transportation, and use meet customer needs. Furthermore, the company's technical team offers customized solutions and support services free of charge.

 

The company has projects in the pharmaceutical, pesticide, petrochemical, construction, food additives, wastewater treatment, adhesives, inks, paints, coatings, plastic and rubber processing, detergent raw materials, fertilizer and textile mills, and more. Junteng Chemical sources products of stable and reliable quality, collaborating with domestic and international companies such as Luxi Group, Weiyuan Chemical, Qilu Petrochemical, Dongying Lihuayi, Yanshan Petrochemical, Sinopec, Shijiazhuang Refinery, Qingdao Petrochemical, Sailboat, Dow Chemical, BASF, South Korea, Taiwan, and Saudi Arabia. Our stable supply, superior product quality, and mature logistics have earned us a wide clientele. We look forward to collaborating with all of you for a mutually beneficial future.

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Company advantages

1

One-Stop Procurement
Platform

We integrate resources across all productcategories, including organic solvents,resins and rubbers, and inorganicchemicals,and strictly control suppliers.supply chains, and after-sales processes toensure stable quality, efficienttransportation,and worry-free use,simplifying your procurement process.

2

Professional Team TechnicalEmpowerment

Equipped with an experienced technicalteam, we provide free personalizedsolutions and professional technicalsupport to customers in varlous industrie,such as pharmaceuticals, petrochemicals,coatings and inks, and sewage treatment,.helping you solve problems and improveefficiency.

3

Global supply ChainSecurity

We work with top domestic and foreignchemical giants such as Luxi Group, QiluPetrochemical, Sinopec, BASF of Germany,and Dow of the United States to establisha stable and reliable high-quality supplynetwork and a mature logistics system toensure timely and safe delivery of
products.

4

Deep Win-Win CooperationConcept

Adhering to the concept of "integrity.immediate action, professionalism,innovation and win-win" and taking"customer success and altruism" as ourmission, we are committed to establishinglong-term strategic partnerships andcreating a better future through excellentproducts and services.

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