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Oxazole, 2,2'-(1,3-phenylene)bis[4,5-dihydro-

HCID 604269
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Basic information

CAS
34052-90-9
Standard SMILES
c1cc(C2=NCCO2)cc(C2=NCCO2)c1
InChIKey
HMOZDINWBHMBSQ-UHFFFAOYSA-N
Molecular formula
C12H12N2O2
Average molar mass
216.24 g/mol
Monoisotopic mass
216.08987763

Overview

See also: 2,2'-(1,3-phenylene)bis[4,5-dihydro Oxazole (annotation moved to); 2,2'-(1,3-Phenylene)bis(4,5-dihydro-1,3-oxazole) (annotation moved to).

Names & identifiers

Preferred name
Oxazole, 2,2'-(1,3-phenylene)bis[4,5-dihydro-
IUPAC
2-[3-(4,5-dihydro-1,3-oxazol-2-yl)phenyl]-4,5-dihydro-1,3-oxazole
English name
1,3-Bis(4,5-dihydro-2-oxazolyl)benzene
Molecular formula
C12H12N2O2
Molecular weight
216.24

Names & synonyms

Oxazole, 2,2'-(1,3-phenylene)bis[4,5-dihydro-2,2'-(1,3-Phenylene)bis(2-oxazoline)DTXSID40885570Oxazole, 2,2'-(1,3-phenylene)bis(4,5-dihydro-RefChem:857083DTXCID80102493634052-90-91,3-Bis(4,5-dihydro-2-oxazolyl)benzene1,3-Bis(4,5-dihydrooxazol-2-yl)benzene2-[3-(4,5-Dihydro-1,3-oxazol-2-yl)phenyl]-4,5-dihydro-1,3-oxazoleMFCD00191606CBDivE_014641
Show more names
1,3-PBO1,3-Phenylene-bis-oxazoline3-Bis(4Two oxazoline1,3-Bisbenzene1,3-PHENYLENBISOXAZOLINEbisdihydrooxazolylbenzene5-dihydro-2-oxazolyl)benzene1,3-Bis(4,5-dihydro-2-oxazoL
HMOZDINWBHMBSQ-UHFFFAOYSA-2,2'-(m-Phenylene)bis(2-oxazoline)4,5-dihydro-2-(3-(4,5-dihydrooxazol-2-yl)phenyl)oxazole2,2'-(1,3-Phenylene)bis(4,5-dihydro-1,3-oxazole)2-[3-(4,5-dihydrooxazol-2-yl)phenyl]-4,5-dihydrooxazole2,2'-(1,3-Phenylene)bis-2-oxazolineSCHEMBL105809AKOS024438239

Properties

Computed structural properties

XLogP
1
Topological polar surface area
43.2 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
4
Rotatable bonds
2
Heavy atoms
16
Formal charge
0
Complexity
295

Experimental & physicochemical properties

Physical DescriptionDry Powder

Physicochemical properties

Melting point
147 · 147-151°C
Boiling point
403.5 · 403.5±28.0 °C(Predicted)
Density
1.45 · 1.45
Flash point
208 °C · 208°C
storage temp.
Sealed in dry,Room Temperature
Water Solubility
Insoluble in water
form
powder to crystal
pka
4.78 · 4.78±0.50(Predicted)
color
White to Light yellow to Light red
InChI
InChI=1S/C12H12N2O2/c1-2-9(11-13-4-6-15-11)8-10(3-1)12-14-5-7-16-12/h1-3,8H,4-7H2
InChIKey
HMOZDINWBHMBSQ-UHFFFAOYSA-N
SMILES
C1(C2=NCCO2)=CC=CC(C2=NCCO2)=C1
CAS DataBase Reference

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

Hazard information

Regulatory Information · 2 items

Oxazole, 2,2'-(1,3-phenylene)bis[4,5-dihydro- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of Oxazole, 2,2'-(1,3-phenylene)bis[4,5-dihydro- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

PMN - indicates a commenced PMN (Pre-Manufacture Notices) substance.

Safety data

tsca
TSCA listed
hs_code
2934.99.4400
risk_code
22
Signal word
Warning
Symbol(GHS)
GHS07
safety_code
22-24/25
Hazard statements
H317
REACH Registrations
Active
Precautionary statements
P261-P272-P280-P302+P352+P333+P313+P363-P501

Chemistry & industry

Uses & manufacturing

U.S. Production2023: <50,000 lb
Industry UsesIntermediate
General Manufacturing Information · 2 items

All Other Basic Organic Chemical Manufacturing

Oxazole, 2,2'-(1,3-phenylene)bis[4,5-dihydro-: ACTIVE

Applications · 1 item

UsesDioxazoline is an important organic reaction intermediate. It is a compound containing a five-membered heterocycle with two carbon, nitrogen, and oxygen atoms and a carbon-nitrogen double bond. Because of its highly reactive chemical properties, it can undergo ring-opening reactions with carboxyl groups, acid anhydrides, amino groups, epoxy groups, thiol groups, phenolic hydroxyl groups, isocyanate groups, etc. at certain temperatures. Therefore, dioxazoline is often used as a chain extender or cross-linking agent for polymers.

Upstream & downstream products

Upstream raw materials

1,3-DicyanobenzeneMonoethanolamineSulfurCobaltous nitrate hexahydrate
Additional notes · 1 item

DefinitionBisoxazoline is an essential organic reaction intermediate. It is a five-membered heterocyclic compound containing two carbons, nitrogen, oxygen and a carbon-nitrogen double bond. Because of its active chemical properties, it can undergo ring-opening reactions with carboxyl, anhydride, amino, epoxy, thiol, phenolic hydroxyl, isocyanate, etc., at a certain temperature. Therefore, bisoxazoline can often be used as a chain extender or cross-linking agent for polymers.

Related reactions

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Compound notes

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Database identifiers

CAS
34052-90-9
PubChem CID
604269
DTXSID
DTXSID40885570
Nikkaji
J43.047A
34052 · 34052-90-9(CAS DataBase Reference)
EPA Substance Registry System
2 · Oxazole, 2,2'-(1,3-phenylene)bis[4,5-dihydro- (34052-90-9)
Symbol(GHS)
7 · GHS07
Signal word
Warning
Hazard statements
317 · H317
Precautionary statements
261 · P261-P272-P280-P302+P352+P333+P313+P363-P501
Risk Statements
22 · 22
Safety Statements
22 · 22-24/25
TSCA
TSCA listed
HS Code
2934.99 · 2934.99.4400
REACH Registrations
Active