Fluorescent Whitening Agent Ob Optical Brightener CAS 7128-64-5 Plastic Ink Paiting

• CAS No.: 7128-64-5
• Formula: C26h26n2o2s
• EINECS: 230-426-4
• Appearance: Powder
• Usage: Rubber Auxiliary Agents, Plastic Auxiliary Agents, Coating Auxiliary Agents
• Color: Green
• Model NO.: OB
• Purity: 99.5%
• Chemical Name: 2,5-Thiophenediylbis(5-Tert-Butyl-1,3-Benzoxazole)
• Package: 25kg/Drum
• Application: Thermoplastic
• Transport Package: 20kg Per Carton, 25/30kg Per Fiber Drum with PE Li
• Specification: 25kgs Kraft Paper Bag or PP Bag or drum
• Trademark: LD Chemical
• Origin: China
• HS Code: 32042000
• Production Capacity: 5000mt/Month

Product Description

Product Description

Optical Brightener Ob Agent For Masterbatch Plastic Production
 

Specification:

Product Name	Optical brightener OB (C.I. 184 )
MF	C26H26N2O2S
EINECS No	230-426-4
CAS No	7128-64-5
Chemical  Name	2,5-Thiophenediylbis(5-tert-butyl-1,3-benzoxazole)
MF	C26H26N2O2S
Appearance	Light green powder
Purity	≥98%
Melting point	196-202 °C
Volatile:	<0.5%
Package	20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements.
Applications:   It is widely used in thermoplastics such as PVC, PE, PP, ABS, PS, unsaturated resin, paint, ink, and oil-soluble coatings.
Properties:  The product is a light green or green powder, non-toxic and tasteless, and can dissolve in alkane, fat, mineral oil, paraffin, and most organic solvents, the absorption spectra of the largest value for 375 mm (in ethanol).

Optical brightener OB is one of the whitening agents used in plastics and chemical fibers. It can be used in thermoplastic plastics, PVC, polystyrene, polyethylene, polypropylene, ABS, and acetate fibers, as well as varnish, paint, white enamel, paint, and ink.

Application:

1. whitening agent for thermoplastic

2. whitening agent for polyvinyl chloride (PVC)

3. whitening agent for polypropylene (PP),

4. whitening agent for polyester fiber, paint, and ink, etc.

 

Packaging & Shipping

About LD Chemical
LD Chemical was founded in 2007, we have been one of the largest manufacturers of optical brighteners, 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

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