Fluorescent brightener OB-1

Fluorescent whitening agent OB-1 is a high-temperature resistant chemical reagent mainly used for whitening and brightening plastics and products. Its chemical composition is stilbene based dibenzoxazole, with a Yellow or green crystalline powder and a melting point of over 359 ℃. It has excellent thermal stability and light resistance. This reagent is suitable for various engineering plastics such as ABS, PS, PC, etc. It maintains stable performance during high-temperature molding and effectively reduces polymer yellowing phenomenon.
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Product Parameters

Product Name (English)Fluorescent brightener OB-1
CAS1533-45-5
Physical properties- Yellow or green crystalline powder

- Has strong fluorescence, with a fluorescence emission wavelength of 434nm

Application- Whitening agents in the textile, plastic, paint, and ink industries
Specifications- Density 1.3 ± 0.1 g/cm3

- Melting point>300 ° C

- Boiling point 566.8 ± 39.0 ° C at 760 mmHg

Packaging25kg cardboard drum or packaged according to user requirements, stored in a cool, dry place away from light.

Basic Properties

Physical property:

- Appearance: Light yellow powder

- Melting point: ≥ 359 ℃

- Solubility: Low solubility in water, but good solubility in organic solvents.

- Stability: Stable. Incompatible with strong oxidants.

Main Applications

1.Plastic products: including engineering plastics such as ABS, PS, PC, PP, etc., especially suitable for high-temperature molding of hard PVC and EVA materials.

2.Chemical fiber materials: Whitening treatment of polyester fibers, nylon fibers, and polypropylene fibers.

3.Other uses: Can be used for whitening rubber, masterbatch, and PE agricultural film, especially suitable for whitening plastics such as ABS, PS, HIPS, PA, PC, PP, EVA, and hard PVC

Safety Precautions

1.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

2.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

3.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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