4-Phenylpyridine 1-oxide

Modify Date: 2025-08-27 03:49:59

4-Phenylpyridine 1-oxide Structure
4-Phenylpyridine 1-oxide structure
Common Name 4-Phenylpyridine 1-oxide
CAS Number 1131-61-9 Molecular Weight 171.195
Density 1.1±0.1 g/cm3 Boiling Point 410.9±24.0 °C at 760 mmHg
Molecular Formula C11H9NO Melting Point 153-155 °C(lit.)
MSDS Chinese USA Flash Point 202.3±22.9 °C

 Names

Name 4-Phenylpyridine-N-oxide
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.1±0.1 g/cm3
Boiling Point 410.9±24.0 °C at 760 mmHg
Melting Point 153-155 °C(lit.)
Molecular Formula C11H9NO
Molecular Weight 171.195
Flash Point 202.3±22.9 °C
Exact Mass 171.068420
PSA 25.46000
LogP 0.93
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.573

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Safety Phrases S22-S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2933399090

 Synthetic Route

~93%

4-Phenylpyridine 1-oxide Structure

4-Phenylpyridin...

CAS#:1131-61-9

Literature: Tetrahedron Letters, , vol. 39, # 8 p. 761 - 764

~64%

4-Phenylpyridine 1-oxide Structure

4-Phenylpyridin...

CAS#:1131-61-9

Literature: Synlett, , # 1 p. 45 - 48

~70%

4-Phenylpyridine 1-oxide Structure

4-Phenylpyridin...

CAS#:1131-61-9

Literature: Chemical and Pharmaceutical Bulletin, , vol. 32, # 5 p. 1780 - 1789

 Customs

HS Code 2933399090
Summary 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

4-Phenylpyridine-1-oxide
EINECS 214-467-5
1-oxido-4-phenylpyridin-1-ium
4-Phenylpyridine N-Oxide
MFCD00006208
Pyridine, 4-phenyl-, 1-oxide
4-Phénylpyridine-1-oxyde
4-Phenylpyridine 1-oxide
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