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Optical brightener OB-1

Optical brightener OB-1 Structure
CAS No.
1533-45-5
Chemical Name:
Optical brightener OB-1
Synonyms
OB-1;Fluorescent Brightener OB-1;C.I.393;optical brightener OB-1;OB-C;OCAB;OBF1;OBF-1;B-OB-1 ;zhengbauji
CBNumber:
CB2293303
Molecular Formula:
C28H18N2O2
Molecular Weight:
414.45
MOL File:
1533-45-5.mol
MSDS File:
SDS
Modify Date:
2025/1/27 9:38:02
Request For Quotation

Optical brightener OB-1 Properties

Melting point >300 °C(lit.)
Boiling point 533.34°C (rough estimate)
Density 1.2151 (rough estimate)
vapor pressure 0Pa at 25℃
refractive index 1.5800 (estimate)
storage temp. Sealed in dry,Room Temperature
solubility DMSO (Slightly, Heated)
form Solid
pka 1.45±0.10(Predicted)
color Yellow
biological source goat
Water Solubility 10μg/L at 25℃
λmax 372 nm
Stability Stable. Incompatible with strong oxidizing agents.
InChIKey ORACIQIJMCYPHQ-KTKRTIGZSA-N
LogP 5.499 at 25℃
CAS DataBase Reference 1533-45-5(CAS DataBase Reference)
EPA Substance Registry System Benzoxazole, 2,2'-(1,2-ethenediyldi-4,1-phenylene)bis- (1533-45-5)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-37/39-24/25
WGK Germany  1
HS Code  29349990
NFPA 704
1
2 0

Optical brightener OB-1 price More Price(2)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich(India) 368598 4,4′-Bis(2-benzoxazolyl)stilbene 97% 1533-45-5 50G ₹6137.78 2022-06-14 Buy
TCI Chemicals (India) B2729 4,4'-Bis(2-benzoxazolyl)stilbene 1533-45-5 25G ₹2300 2022-05-26 Buy
Product number Packaging Price Buy
368598 50G ₹6137.78 Buy
B2729 25G ₹2300 Buy

Optical brightener OB-1 Chemical Properties,Uses,Production

Description

Optical brightener OB-1 also called fluorescent brightener OB-1, optical brightener agent OB-1, OB-1 has the highest melting point among the optical brighteners and is also the most widely applicable and the most sold brightener. Optical brighteners OB-1 have two appearance colors, yellow and green. Worldwide use it for all kinds of plastics, or make masterbatches, then the optical brightener masterbatches and compounds are used in the plastics industry.
2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole

Chemical Properties

solid

Uses

4,4′-Bis(2-benzoxazolyl)stilbene (BBS) is suitable for use in the preparation of poly(propylene) (PP) films containing different concentrations of BBS. BBS may be employed as a viscosity-sensitive fluorophore to investigate the curing parameters in fabrication of UV-cured automotive organic protective coatings. BBS may be used in the preparation of polymeric film sensors based on excimer luminescence and responsive to both mechanical and temperature stress, by its dispersion into a thermoplastic aliphatic biodegradable polyester [poly(1,4-butylene succinate).

General Description

4,4′-Bis(2-benzoxazolyl)stilbene (BBS) is reported to exhibit consistently high absolute fluorescence quantum yields and a monoexponential lifetime in solutions. The photophysics of BBS dispersed in poly(propylene) (PP) films has been investigated. BBS is reported as a food-grade dye. BBS is also reported as excimer-forming, photoluminescent chromophore.

Optical brightener OB-1 Preparation Products And Raw materials

Raw materials

Diethyl phosphite

Preparation Products

Optical brightener OB-1 Suppliers

Global( 407)Suppliers
Supplier Tel Country ProdList Advantage Inquiry
High Grade Industries Pvt Ltd +91-02240775076 +91-02240775076 Maharashtra, India 10 58 Inquiry
Jupiter Dyes Pvt Ltd +91-9029076060 +91-9821223938 Maharashtra, India 25 58 Inquiry
A.J Chemicals 91-9810153283 New Delhi, India 6100 58 Inquiry
TCI Chemicals (India) Pvt. Ltd. 1800 425 7889 New Delhi, India 6768 58 Inquiry
High Grade Industries (I) Pvt. Ltd 91-022-40775076 Maharashtra, India 7 58 Inquiry
Mehta Enterprise 08068442230Ext 607 Mumbai, India 155 58 Inquiry
Apan Imex Private Limited 91-79-26850087 Gujarat, India 31 58 Inquiry
Ankit Enterprise 08048372760Ext 866 Mumbai, India 25 58 Inquiry
B. N. Mehra And Co. 91-11-40009999 Delhi, India 4 58 Inquiry
APEE Chem Dyes 08048618251 Ahmedabad, India 12 58 Inquiry
Supplier Advantage
High Grade Industries Pvt Ltd 58
Jupiter Dyes Pvt Ltd 58
A.J Chemicals 58
TCI Chemicals (India) Pvt. Ltd. 58
High Grade Industries (I) Pvt. Ltd 58
Mehta Enterprise 58
Apan Imex Private Limited 58
Ankit Enterprise 58
B. N. Mehra And Co. 58
APEE Chem Dyes 58

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Optical brightener OB-1 Spectrum

2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole(1533-45-5)Raman2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole(1533-45-5)IR

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2,2'-(vinylenedi-p-phenylene)bisbenzoxazole 2,2’-(1,2-ethenediyldi-4,1-phenylene)bis-benzoxazol OB-C Fluorescent Brightener OB-1 C.I. 393 1,2-Bis(4-(benzo[d]oxazol-2-yl)phenyl)ethene 2,2'-(Ethene-1,2-diyldibenzene-4,1-diyl)bis(1,3-benzoxazole), 4,4'-Bis(benzo[d]oxazol-2-yl)stilbene 4,4'-Bis(1,3-benzoxazol-2-yl)stilbene -Bis(2-benzoxazolyl)stilbene Anti-POU2AF1 antibody produced in goat OCAB Anti-POU2AF1 (C-terminal) antibody produced in goat OBF1 OBF-1 POU class 2 associating factor 1 4,4'-Bis(2-benzoxazolyl)stilbene 97% Optical Brighter OB-1 fluorescentbrightener393 Optical Brightening Agent OB-1 C. I. 393 44BIS2BENZOXAZOYLSTILBENE 2,2′-(Vinylendi-p-phenylen)bisbenzoxazol 4,4 -BIS(2-BENZOXAZOLYL)STLLBENE Fluorescent brightening agent 393 (C.I. 40674) Fluorescent Whitening Agent OB-1 OpticalBrighteningAgentOB-1C.I. Benzoxazole, 2,2-(1,2-ethenediyldi-4,1-phenylene)bis- 2-[4-[(E)-2-[4-(1,3-Benzoxazol-2-yl)phenyl]ethenyl]phenyl]-1,3-benzoxazole 2,2'-(Stilbene-4,4'-diyl)bis(benzoxazole) 2,2'-[1,2-Ethenediylbis(4,1-phenylene)]bisbenzoxazole 4,4'-Bis(benzoxazol-2-yl)stilbene 4,4'-Di(benzoxazole-2-yl)stilbene 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole,97% B-OB-1 OPTICAL BRIGHTENER 393 2-(2-{2-[2-(1,3-benzoxazol-2-yl)phenyl]ethenyl}phenyl)-1,3-benzoxazole 4,4'-bis(2-benzoxazoly)stilbene ptical Brightening Agent OB-1 optical brightenerOB-1(OBA393) Optical brightener OB-1 (C.I.393) Optical Brightener OB-1 Joyce -(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole zhengbauji 4,4'-Bis(2-benzoxazolyl)stilbene > Optical Brightener / Fluorescent Brightener OB 1 / OB / CBS X / FP-127 / KSN / PF/ KCB Optical Brightener Ob-1 393 CAS 1533-45-5 for Polyester PVC Plastics Fluorescent Brightener 393 Optical Brightener Ob-1 CAS 1533-45-5 for PVC 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole ISO 9001：2015 REACH OPTICAL BRIGHTENER TRUELICHT OB-1 OB-1 Fluorescent Brightener OB-1 optical brightener OB-1 C.I.393 Fluorescent Brightener OB-1 (C.I.FB393) Citrus Oil 8008-56-8 Fluorescent brightening agent OB-1 OB-1 Optical Brightener Agent Fluorescent Brighten 0B-1 Fluorescent brightening agent 393 4,4'-Bis(2-benzoxazolyl)stilbene