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4,4′-Bis(2-benzoxazolyl)stilbene

4,4′-Bis(2-benzoxazolyl)stilbene structure

CAS No:
1533-45-5
Formula:
C28H18N2O2
Chemical Name:
4,4′-Bis(2-benzoxazolyl)stilbene
Synonyms:
Benzoxazole,2,2′-(1,2-ethenediyldi-4,1-phenylene)bis-;Benzoxazole,2,2′-(vinylenedi-p-phenylene)bis-;2,2′-(1,2-Ethenediyldi-4,1-phenylene)bis[benzoxazole];p,p′-Bis(2-benzoxazolyl)stilbene;2,2′-(Vinylenedi-p-phenylene)bisbenzoxazole;4,4′-Di(benzoxazol-2-yl)stilbene;4,4′-Bis(2-benzoxazolyl)stilbene;Optical Brightener 1;C.I. 40674;Fluorescent Brightener 393;C.I. Fluorescent Brightener 393;Eastobrite OB 1;OB 1;Uvitex OB 1;Uvitex OB-ONE;Eastobrite OB 3;TM;TM (UV stabilizer);Benetex OB 1;2,2′-(1,2-Ethenediyl)bis(4,1-phenylene)bisbenzoxazole;Fluorescent brightener OB 1;1,2-Bis(4-(benzo[d]oxazol-2-yl)phenyl)ethene;2-[4-[2-[4-(1,3-Benzoxazol-2-yl)phenyl]ethenyl]phenyl]-1,3-benzoxazole;Benetex OB 1HP;120366-98-5;2252271-38-6
Categories:
Cosmetic Ingredient > Cosmetic Colorant

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Description

solid

DryPowder

4,4′-Bis(2-benzoxazolyl)stilbene Basic Attributes

Molecular Weight：

414.45

Exact Mass：

414.45

EC Number：

216-245-3

HScode：

29349990

Characteristics

PSA：

52.1

XLogP3：

7.47340

Appearance：

DryPowder

Density：

1.2151 (rough estimate)

Melting Point：

365-368 °C

Boiling Point：

533.34°C (rough estimate)

Flash Point：

285.1±21.0 °C

Refractive Index：

1.5800 (estimate)

Storage Conditions：

-20°C

Vapor Pressure：

2.79E-12mmHg at 25°C

Safety Information

wgk germany：

hazard class code：

36/37/38

safety instructions：

26-37/39-24/25

Marks：

Stability/Shelf Life：

Stable. Incompatible with strong oxidizing agents.

Precautionary statement(s)：

P261; P305 + P351 + P338

Hazard Statements：

H315; H319; H335

Drug Information

MeSH Entry Terms：

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

4,4′-Bis(2-benzoxazolyl)stilbene Use and Manufacturing

Uses

Fluorescent Brightener OB-1 is used for whitening polyester stock solution, especially suitable for whitening of polyester fiber and whitening of polyester and cotton and other blended fabrics. It can also be used for whitening of plastic products.

Dyes

Adhesives and sealants

Production

25,000 - 100,000 lb

Manufacturing Info：

Benzoxazole, 2,2'-(1,2-ethenediyldi-4,1-phenylene)bis-: ACTIVE

Computed Properties

Molecular Weight:414.5
XLogP3:7.2
Hydrogen Bond Acceptor Count:4
Rotatable Bond Count:4
Exact Mass:414.136827821
Monoisotopic Mass:414.136827821
Topological Polar Surface Area:52.1
Heavy Atom Count:32
Complexity:583
Undefined Bond Stereocenter Count:1
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Diethyl phosphite

Recommended Suppliers of 4,4′-Bis(2-benzoxazolyl)stilbene

Shaanxi Dideu Medichem Co. Ltd Contact Supplier

CN
5 YRS

Business licensed Certified factory

Manufactory Supplier of Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst,Chemical Materials,Chem&Pharm Intermediates,Organic Intermediates,Feed Additive

High Quality 99% Purity of 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole CAS NO 1533-45-5 ISO 9001:2005 REACH Verified Producer

CAS No.: 1533-45-5

Grade: Industrial Grade

Content: 99%

Inquiry
Hangzhou Zentra Bio-Chemical Co., Ltd. Contact Supplier

CN
2 YRS

Business licensed

Trader Supplier of pharmaceutical intermediates,excipients,plant extracts,food additives,CDMO,fine cheimcals,Octadecanedioic acid,Eicosanedioic Acid

Optical brightener OB-1 1533-45-5

CAS No.: 1533-45-5

Grade: Pharmaceutical Grade

Content: 99%

Inquiry
Xuzhou Huide New Material Technology Co. Contact Supplier

CN
4 YRS

Business licensed

Trader Supplier of thickener,dispersant,fluorescent whitening agent,coalescing agents,surfactant,Water-based sealant,PU Sealants,wetting agent,Silicone Adhesive,Acrylic emulsion

Flouroscent Whitening agent FWA 50% Milky white semi-permeable with blue light HD605

CAS No.: 1533-45-5

Grade: Industrial Grade

Content: 50%

Inquiry
Shandong Airuike Chemical Co., Ltd. Contact Supplier

CN
3 YRS

Business licensed

Trader Supplier of api,Intermediates,Organic Chemistry,Inorganic Chemistry,Daily Chemicals,Cosmetic Raw Materals,CATALYST AND AUXILIARY,FLAVORS AND FRAGRANCES,Chemical Pesticides,ADDITIVE

High quality CAS 1533-45-5 Optical Brightener Ob-1 393 for Recycle Materials PP PVC Pet Engineering Plastics

CAS No.: 1533-45-5

Grade: Pharmaceutical Grade

Content: 99%

Inquiry
Henan Lihao Chem Plant Limited Contact Supplier

CN
5 YRS

Business licensed

Trader Supplier of PVC resin,pvc paste resin,melamine

2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole 99% see COA kanbei

CAS No.: 1533-45-5

Content: 99%

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Guide of 4,4′-Bis(2-benzoxazolyl)stilbene

Description
Basic Attributes
Characteristics
Safety Information
Drug Information
Use and Manufacturing
Computed Properties
Material
Recommended Suppliers
Learn More Other Chemicals

4,4′-Bis(2-benzoxazolyl)stilbene

SDS

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