Chemicals

Optical Brightening Agent OB

We are Optical Brightening Agent OB CAS:7128-64-5 manufacturer and supplier in China, Pls send inquiry of to info@nbinno.com of visit www.nbinno.com our official website should you have any interests

Main composition

Chemical name:2,5-bis(5-tert-butyl benzoxazolyl-2'-)thiophene

C.I.No:184
CAS:7128-64-5

Formula:C26H26N2O2S

Molecular Weight:430

Technical index

Appearance:slight yellow or milk white powder

Melting Point:200～202℃

Purity:≥99.0%

Performance and Features

1.Tasteless, soluble in alkane, fat, mineral oil, paraffin and most organic solvents. The maximum absorption wavelength is 375nm (in ethanol) and the maximum emission wavelength is 435nm (in ethanol);

2.It has good whitening performance and thermal stability, less dosage and wide applications.

Mainly be used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene (PP), polyester fiber, paint and ink, etc.

The dosage against raw materials by weight:

0.01～0.05% for PVC to improve whiteness

0.0001～0.001% for PVC to improve brightness

0.0001～0.001% for polystyrene

0.01～0.05% for ABS

0.0005～0.001% for colorless polyolefin　　

0.005～0.05% for white polyolefin

Packaging and Storage

Packaging with 25kg bag, 25kg carton, 500kg bag or according to customer's request.

Shelf-life:2 years, store under the room temperature. Avoid strong sunlight and wet environment.

Optical Brightening Agent OB

Related News: Countries and territories that have confirmed cases: Thailand, Japan, Hong Kong, Singapore, Taiwan, Australia, Malaysia, Macau, Russia, France, the United States, South Korea, Germany, the United Arab Emirates, Canada, Britain, Vietnam, Italy, India, the Philippines, Nepal, Cambodia, Sri Lanka, Finland, Sweden and Spain.5-Bromoquinazolin-6-ylthiourea Catalent’s clinical supply network includes nine cGMP-certified clinical packaging facilities across North America, Europe and Asia, and more than 50 strategically-located depots around the world, providing local and regional options for clinical storage, distribution, expiry update and relabeling services, and clinical returns management.4-Amino-L-phenyl-N-phthalylalanine ethyl ester CAS:74743-23-0 Catalent’s clinical supply network includes nine cGMP-certified clinical packaging facilities across North America, Europe and Asia, and more than 50 strategically-located depots around the world, providing local and regional options for clinical storage, distribution, expiry update and relabeling services, and clinical returns management.3,3 '- (5-bromo-1,3-fenileno) dipiridina CAS:1030380-36-9 The main API products include antihypertensive, psychotropic and anti-AIDS special APIs. Antihypertensive APIs are mainly pulic and sartan drugs, and they are the world’s major suppliers of pulic and sartan APIs.The main API products include antihypertensive, psychotropic and anti-AIDS special APIs. Antihypertensive APIs are mainly pulic and sartan drugs, and they are the world’s major suppliers of pulic and sartan APIs.

Product Name
N-(3-(5-Bromo-1H-pyrrolo[2,3-b]pyridine-3-carbonyl)-2,4-difluorophenyl)propane-1-sulfonamide	View Details
Ecteinascidin 743 Cas:114899-77-3	View Details
tetradecane-1-thiol	View Details