What is the CAS number of OB-1?

The CAS number for OB-1 is 1533-45-5.

What materials can this agent be used on?

It is widely used for brightening polyester, nylon, polypropylene, hard PVC, ABS, EVA, polystyrene, and polycarbonate.

What is the recommended dosage for raw materials?

The dosage ranges from 75 to 200g per 100kg for materials like EVA and nylon, and 75 to 300g per 100kg for terylene fiber.

What is the melting point of this product?

The melting point is greater than or equal to 359 degrees Celsius.

How is the product packaged?

It is packaged in 25KG drums or bags.

What is the chemical formula of OB-1?

The chemical formula is C28H18N2O2.

Ob-1 Optical Brightening Agent CAS: 1533-45-5

Shanghai Chemdo Trading Limited

4 yrs

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Product Highlights

High Brightening Intensity: Features strong fluorescence for superior brightening effects.
High Temperature Resistance: Maintains stability and performance under high temperature conditions.
Versatile Material Application: Suitable for polyester, nylon, polypropylene, PVC, ABS, EVA, and polycarbonate.
High Melting Point: Melting point is greater than or equal to 359 degrees Celsius.
Powder Form Appearance: Available as a yellow powder for easy processing and mixing.
Flexible Packaging Options: Packaged in 25KG drums or bags for convenient handling.

Product Attributes

Customization: Available
CAS No.: 1533-45-5
Formula: C28h18n2o2
Model NO.: Ob-1
Color: Yellow
Kind: Pigment
Appearance: Powder
Transport Package: Bag
Specification: 25kg Drum or bag
Trademark: CHEMDO
Origin: China
HS Code: 3204200000
Production Capacity: 50000ton/Year

Ob-1 Optical Brightening Agent CAS: 1533-45-5 pictures & photos — Ob-1 Optical Brightening Agent CAS: 1533-45-5

Ob-1 Optical Brightening Agent CAS: 1533-45-5
Ob-1 Optical Brightening Agent CAS: 1533-45-5
Ob-1 Optical Brightening Agent CAS: 1533-45-5
Ob-1 Optical Brightening Agent CAS: 1533-45-5
Ob-1 Optical Brightening Agent CAS: 1533-45-5
Ob-1 Optical Brightening Agent CAS: 1533-45-5

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Ob-1 Optical Brightening Agent CAS: 1533-45-5
Ob-1 Optical Brightening Agent CAS: 1533-45-5
Ob-1 Optical Brightening Agent CAS: 1533-45-5
Ob-1 Optical Brightening Agent CAS: 1533-45-5
Ob-1 Optical Brightening Agent CAS: 1533-45-5
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Product Description

Principal Ingredients

4,4-bis(2-tert-benzoxazolyl)stilbene

Application

1.High brightening intensity and strong fluorescence.

2.Widely used in brightening polyester, nylon fiber and all kinds of plastics.

3.Good resistance to high temperature.

Packaging

25KG / drum or bag

Performance & Features

1. Suitable for the brightening of chemical fibers of polyester, nylon and polyprolylene.

2. Suitable for the whitening and brightening of polypropylene plastic, hard PVC,ABS, EVA, polystyrene,

polycarbonate,etc.

3. Applicable to be added in the general polymerizations of polyester and nylon.

Recommended quantity: dosage of OB-1 in every 100kg raw material:

4. 75~200g in EVA, polyprolylene, nylon, polycarbonate, and so on.

5. 75~300g in terylene fiber

No.	ITEMS DESCRIB	INDEX
01	Appearance	yellow powder
02	Melting Point	≥359ºC
03	Melting Point	≥98%

Ob-1 Optical Brightening Agent CAS: 1533-45-5

About the Supplier

This supplier has been audited by CTI. Verify the report on the official CTI website with ID "QIP-ASR264252". Items marked "" are certified.

Company Profile

Shanghai Chemdo Trading Limited is a professional company focusing on the export of plastic raw materials and degradable raw materials, headquartered in Shanghai, China. Chemdo has three business groups, the leaders of each department have about 15 years of international trade experience and very senior product upstream and downstream industrial chain relations. Chemdo attaches great importance to the partnership with suppliers and customers, and has been committed to serving our partners for a long time.

In 2021, the company's total revenue exceeded US $60 million, totaling about RMB 400 million. For a team of less than 10 people, such achievements reflect our usual efforts. Our products have been exported to more than 30 countries and regions, most of which are concentrated in Southeast Asia, the Middle East and Africa. With the reconstruction of the world industrial chain and China's industrial upgrading, we will continue to focus on the export of advantageous products, so that more customers can re understand the products made in China. In 2020, the company established Vietnam branch and Uzbek branch. In 2022, we will add another Southeast Asia branch and Dubai branch. The ultimate goal is to make a pure domestic Chemdo brand well-known in our local and overseas target markets.

The way to do business lies in integrity. We know that the development of an enterprise is not easy. Whether operating the domestic market or the international market, Chemdo is committed to showing the most true side to its partners. The company has a special new media publicity department. From leaders to employees, we will frequently appear in various lenses, so that customers can easily and intuitively see us, understand who we are, what we are doing, and understand their goods.

About Our Factory & Business Background

Address: Room 1101-1102, Building 36, Lingang South Bridge Science and Technology City, Maoyuan Road, Fengxian District, Shanghai, China
Terms of Payment: LC, T/T
International Commercial Terms(Incoterms): FOB, CFR, CIF
Nearest Port: Xingang, China, Qingdao, China, Ningbo, China

Our Production Capability & Technical Expertise

Main Products: PVC, PP, PE, PS, ABS, TPU, TPE, Pet

Our Industry Experience & Global Business Record

Export Year: 2023-12-15
Main Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

FAQ

What is the CAS number of OB-1?: The CAS number for OB-1 is 1533-45-5.
What materials can this agent be used on?: It is widely used for brightening polyester, nylon, polypropylene, hard PVC, ABS, EVA, polystyrene, and polycarbonate.
What is the recommended dosage for raw materials?: The dosage ranges from 75 to 200g per 100kg for materials like EVA and nylon, and 75 to 300g per 100kg for terylene fiber.
What is the melting point of this product?: The melting point is greater than or equal to 359 degrees Celsius.
How is the product packaged?: It is packaged in 25KG drums or bags.
What is the chemical formula of OB-1?: The chemical formula is C28H18N2O2.