2,2'-(1,2-Ethenediyldi-4,1-phenylene)bis(1,3-benzoxazole)

Basic Information

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CAS Number

1533-45-5

Molecular Formula

C28H18N2O2

Molecular Weight

414.46 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Laboratory Chemicals Research Chemicals Biochemical Reagents

Basic Physical Properties

Physical State

Powder

Melting Point

355°C

Boiling Point

566.8°C at 760 mmHg

Refractive Index

1.5800 (estimate)

SMILES

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C1=CC=C2C(=C1)N=C(O2)C3=CC=C(C=C3)C=CC4=CC=C(C=C4)C5=NC6=CC=CC=C6O5

InChI

InChI=1S/C28H18N2O2/c1-3-7-25-23(5-1)29-27(31-25)21-15-11-19(12-16-21)9-10-20-13-17-22(18-14-20)28-30-24-6-2-4-8-26(24)32-28/h1-18H

InChIKey

ORACIQIJMCYPHQ-UHFFFAOYSA-N

LogP

7.473400000000005

Topological Polar Surface Area

52.06 Å²

Hydrogen Bond Donor/Acceptor

0 / 4

Complexity

583

Safety Information

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GHS Hazard Pictograms

H315

H319

H335

Hazard Statement

H315 Causes skin irritation
Skin corrosion/irritation

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H335 May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation

Stability

Stable. Incompatible with strong oxidizing agents.

Synonyms & References

English

FLUORESCENT BRIGHTENER 393 [INCI]
36422-63-6
2,2/'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
(e)-4,4'-bis(1,3-benzoxazol-2-yl)stilbene
4,4'-Bis(2-benzoxazolyl)stilbene, 97%
Benzoxazole, 2,2'-(1,2-ethenediyldi-4,1-phenylene)bis-, (E)-
UNII-128BY3ERD5
A809418
1533-45-5
Benzoxazole, 2,2'-(1,2-ethenediyldi-4,1-phenylene)bis-
CI 40674
EASTOBRITE OB 1
4,4'-BIS(2-BENZOXAZOLYL)STILBENE, TRANS-
EINECS 216-245-3
2-[4-[(E)-2-[4-(1,3-benzoxazol-2-yl)phenyl]ethenyl]phenyl]-1,3-benzoxazole
E)-4,4'-Bis(1,3-benzoxazol-2-yl)stilbene
2,2'-(Vinylenedi-4-phenylene)bis(benzoxazole)
(E)-1,2-bis(4-(benzo[d]oxazol-2-yl)phenyl)ethene
4,4'-Bis(2-benzoxazolyl)stilbene
HY-W010949
AC-10112
C.I. FLUORESCENT BRIGHTENER 393
NSC-252132
CS-W011665
AS-15150
1,2-Bis(4-(benzo[d]oxazol-2-yl)phenyl)ethene
2,2'-(vinylenedi-p-phenylene)bis(benzoxazole)
MFCD00022846
Fluorescent brightener OB-1
P,P'-BIS(2-BENZOXAZOLYL)STILBENE
AKOS015855806

MDL Number

MFCD00022846

Customs Code

29349990

FAQ

What is 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bis(1,3-benzoxazole) (CAS: 1533-45-5)?

2,2'-(1,2-Ethenediyldi-4,1-phenylene)bis(1,3-benzoxazole) (CAS: 1533-45-5) is a synthetic organic compound composed of two 1,3-benzoxazole rings connected by a 1,2-ethylenedi-4,1-phenylene bridge. It exhibits high thermal stability and is commonly used as a building block in polymer chemistry and pharmaceutical research due to its aromatic structure and functional groups.

What are the main uses of 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bis(1,3-benzoxazole) (CAS: 1533-45-5)?

This compound is primarily utilized in pharmaceuticals as a key intermediate for drug development, particularly in anti-inflammatory and antimicrobial agents. It also finds applications in industrial materials, such as UV-absorbing polymers, and in research for creating fluorescent dyes and functionalized nanomaterials due to its unique chemical structure and stability.

Is 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bis(1,3-benzoxazole) (CAS: 1533-45-5) safe?

2,2'-(1,2-Ethenediyldi-4,1-phenylene)bis(1,3-benzoxazole) (CAS: 1533-45-5) is generally considered safe when handled properly. However, it should be used with protective equipment such as gloves and goggles, and in well-ventilated areas. Its safety profile is typical for aromatic compounds, with no significant acute toxicity reported, though long-term effects require further study.

How should 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bis(1,3-benzoxazole) (CAS: 1533-45-5) be stored?

The compound should be stored in a cool, dry, and dark place, ideally at 25°C, in airtight glass containers to prevent moisture ingress. Avoid exposure to heat, light, and air to maintain its stability and prevent degradation. Proper storage ensures optimal shelf life and safety during handling.