High Purity Fluorescent Optical Brightener Ob-1 Ob for Plastic Masterbatch

• Customization: Available
• CAS No.: 1533-45-5
• EINECS: 216-245-3
• Model NO.: ob-1
• Appearance: Powder
• Usage: Plastic Auxiliary Agents
• Color: Yellow
• Purity: 99.5%
• C.I.No.: 393
• Shape: Powder
• Shelf Life: 48 Months
• Fineness: ≥200 Mesh
• Transport Package: 20kg Per Carton, 25/30kg Per Fiber Drum
• Specification: 25kgs Kraft Paper Bag or PP Bag
• Trademark: LD Chemical
• Origin: China
• HS Code: 32042000
• Production Capacity: 5000mt/Month

Product Description

Product Description

Fluorescent brightening agents

Specification:

Product Name	Optical brightener OB-1(C.I. 393)
CAS No.	1533-45-5
EINECS No.	216-245-3
Other Name	2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
MF	C28H18N2O2
Appearance	Bright yellow/green crystalline powder
Purity	≥99%
Melting point	357-359 °C
Volatile:	<0.5%
Package	20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements.

Application

Packaging & Shipping

About LD Chemical
LD chemical was founded in 2007, we are one of the largest manufacturers of optical brightener, TiO2, and pigments for more than 14 years.
To meet customers' requests, we invested in a Tio2 factory which has our own brand, and also an agency for some other Tio2 brands' sales.
As a manufacturer of the above, we have a technical team specialized in more competitive product development and new product development.
Our customers are from all over the world, I could not only give you the best suggestions based on their feedback in the industry but also provide technical support to solve practical problems during your application.

Optical Brightener product range:

I.OPTICAL BRIGHTENER FOR PLASTICS/RUBBER/INK/COATING
Optical Brightener OB-1	C.I. 393	CAS NO.1533-45-5
Optical Brightener OB	C.I. 184	CAS NO.7128-64-5
Optical Brightener FP-127	C.I. 378	CAS NO.40470-68-6
Optical Brightener KCB	C.I. 367	CAS NO.5089-22-5
Optical Brightener KSN	C.I. 368	CAS NO.5242-49-9
Optical Brightener EBF	C.I. 185	CAS NO.12224-41-8
Optical Brightener ER-I	C.I. 199	CAS NO.13001-39-3
Optical Brightener ER-II	C.I. 199:1	CAS NO.13001-38-2
Optical Brightener ER-III	C.I. 199:2	CAS NO.13001-40-6
II.OPTICAL BRIGHTENER FOR DETERGENT
Optical Brightener CBS-X	C.I. 351	CAS NO.27344-41-8
Optical Brightener CXT	C.I. 71	CAS NO.16090-02-1
III.OPTICAL BRIGHTENER FOR TEXTILE
Optical Brightener ER-330	C.I. 199	CAS NO.13001-39-3
Optical Brightener BA	C.I. 113	CAS NO.12768-92-2
Optical Brightener BBU	C.I. 113	CAS NO.16470-24-9
Optical Brightener CXT	C.I. 71	CAS NO.16090-02-1
IV.OPTICAL BRIGHTENER FOR PAPER/PULP MAKING
Optical Brightener BA	C.I. 113	CAS NO.12768-92-2
Optical Brightener BBU	C.I. 220	CAS NO.16470-24-9
V.OPTICAL BRIGHTENER FOR WOOL/ACRYLIC
Optical Brightener SWN	C.I. 140	CAS NO.91-44-1
Optical Brightener BAC	C.I. 363	CAS NO.95078-19-6

Certifications