2-Chloro-4-nitropyridine 1-oxide

Modify Date: 2026-07-04 15:14:07

2-Chloro-4-nitropyridine 1-oxide Structure
2-Chloro-4-nitropyridine 1-oxide structure
Common Name 2-Chloro-4-nitropyridine 1-oxide
CAS Number 14432-16-7 Molecular Weight 174.542
Density 1.6±0.1 g/cm3 Boiling Point 405.9±25.0 °C at 760 mmHg
Molecular Formula C5H3ClN2O3 Melting Point 52-56 °C(lit.)
MSDS Chinese USA Flash Point 199.3±23.2 °C
Symbol GHS06
GHS06
Signal Word Danger

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2-Chloro-4-nitropyridine N-oxide
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.6±0.1 g/cm3
Boiling Point 405.9±25.0 °C at 760 mmHg
Melting Point 52-56 °C(lit.)
Molecular Formula C5H3ClN2O3
Molecular Weight 174.542
Flash Point 199.3±23.2 °C
Exact Mass 173.983215
PSA 71.28000
LogP 0.14
Vapour Pressure 0.0±0.9 mmHg at 25°C
Index of Refraction 1.629
InChIKey YSTCMHHKDOVZDA-UHFFFAOYSA-N
SMILES O=[N+]([O-])c1cc[n+]([O-])c(Cl)c1

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS06
GHS06
Signal Word Danger
Hazard Statements H301-H311-H315-H319-H331-H335
Precautionary Statements P261-P280-P301 + P310-P305 + P351 + P338-P311
Personal Protective Equipment Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes T:Toxic;
Risk Phrases R23/24/25;R36/37/38
Safety Phrases S26-S36-S45-S36/37/39-S28
RIDADR UN 2811 6.1/PG 3
WGK Germany 3
Hazard Class 6.1
HS Code 2942000000

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~93%

2-Chloro-4-nitropyridine 1-oxide Structure

2-Chloro-4-nitr...

CAS#:14432-16-7

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Literature: Alker, David; Ollis, W. David; Shahriari-Zavareh, Hooshang Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1990 , # 6 p. 1623 - 1630

~87%

2-Chloro-4-nitropyridine 1-oxide Structure

2-Chloro-4-nitr...

CAS#:14432-16-7

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Literature: CHEMIZON (BEIJING), LTD.; XIAO, Dengming; ZHU, Li; WANG, Shixin; LIANG, Zhi; HU, Wei Patent: WO2010/145197 A1, 2010 ; Location in patent: Page/Page column 79-80 ; WO 2010/145197 A1

~82%

2-Chloro-4-nitropyridine 1-oxide Structure

2-Chloro-4-nitr...

CAS#:14432-16-7

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Literature: Kureha Kagaku Kogyo Kabushiki Kaisha Patent: US6339045 B1, 2002 ; Location in patent: Referential example 2 ;

~%

2-Chloro-4-nitropyridine 1-oxide Structure

2-Chloro-4-nitr...

CAS#:14432-16-7

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Literature: Tetrahedron, , vol. 55, # 41 p. 11985 - 11996

~%

2-Chloro-4-nitropyridine 1-oxide Structure

2-Chloro-4-nitr...

CAS#:14432-16-7

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Literature: Journal of the American Chemical Society, , vol. 79, p. 3565

~%

2-Chloro-4-nitropyridine 1-oxide Structure

2-Chloro-4-nitr...

CAS#:14432-16-7

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Literature: Journal of the American Chemical Society, , vol. 79, p. 3565

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 2-Chloro-4-nitropyridine 1-oxideBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Cell-based high throughput primary assay to identify activators of GPR151
Source: The Scripps Research Institute Molecular Screening Center
Target: RecName: Full=G-protein coupled receptor 151; AltName: Full=G-protein coupled receptor PGR7; AltName: Full=GPCR-2037; AltName: Full=Galanin receptor 4; AltName: Full=Galanin-receptor-like protein; Short=GalRL
External Id: GPR151_PHUNTER_AG_LUMI_1536_1X%ACT
Name: AlphaScreen-based biochemical high throughput primary assay to identify activators of...
Source: The Scripps Research Institute Molecular Screening Center
Target: N/A
External Id: FBW7_ACT_ALPHA_1536_1X%ACT PRUN
Name: AlphaScreen-based biochemical high throughput primary assay to identify inhibitors of...
Source: The Scripps Research Institute Molecular Screening Center
External Id: MITF_INH_Alpha_1536_1X%INH PRUN
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

2-Chloro-4-nitropyridine 1-oxide
2-chloro-4-nitro-1-oxidopyridin-1-ium
Pyridine, 2-chloro-4-nitro-, 1-oxide
EINECS 238-404-6
MFCD00661454
2-Chloro-4-nitropyridine N-oxide
2-Chloro-4-nitropyridine-1-oxide
2-Chloro-4-nitropyridine-1-oxyde

 2-Chloro-4-nitropyridine 1-oxide | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the CAS number of 2-Chloro-4-nitropyridine N-oxide?
A: CAS number of 2-Chloro-4-nitropyridine N-oxide is 14432-16-7.
Q: What is the boiling point of 2-Chloro-4-nitropyridine N-oxide?
A: Boiling point of 2-Chloro-4-nitropyridine N-oxide is 405.9±25.0 °C at 760 mmHg.
Q: What is the English name of 2-Chloro-4-nitropyridine N-oxide?
A: The English name of 2-Chloro-4-nitropyridine N-oxide is 2-Chloro-4-nitropyridine N-oxide.
Q: What English synonyms does 2-Chloro-4-nitropyridine N-oxide have?
A: English synonyms of 2-Chloro-4-nitropyridine N-oxide: 2-Chloro-4-nitropyridine 1-oxide, 2-chloro-4-nitro-1-oxidopyridin-1-ium, Pyridine, 2-chloro-4-nitro-, 1-oxide, EINECS 238-404-6, MFCD00661454, 2-Chloro-4-nitropyridine N-oxide, 2-Chloro-4-nitropyridine-1-oxide, 2-Chloro-4-nitropyridine-1-oxyde.
Q: What are the downstream products of 2-Chloro-4-nitropyridine N-oxide?
A: Related downstream products(CAS) of 2-Chloro-4-nitropyridine N-oxide: 33252-30-1;38767-72-5;4487-50-7;4093-89-4;6313-54-8;73583-37-6;35980-77-9;153034-86-7;14432-12-3;13602-59-0.
Q: What is the LogP of 2-Chloro-4-nitropyridine N-oxide?
A: LogP of 2-Chloro-4-nitropyridine N-oxide is 0.14.
Q: What are the upstream materials of 2-Chloro-4-nitropyridine N-oxide?
A: Related upstream materials(CAS) of 2-Chloro-4-nitropyridine N-oxide: 2402-95-1;23056-36-2;20295-64-1;109-09-1;14150-95-9;2403-02-3.
Q: What is the molecular formula of 2-Chloro-4-nitropyridine N-oxide?
A: Molecular formula of 2-Chloro-4-nitropyridine N-oxide is C5H3ClN2O3.
Q: What is the melting point of 2-Chloro-4-nitropyridine N-oxide?
A: Melting point of 2-Chloro-4-nitropyridine N-oxide is 52-56 °C(lit.).
Q: What is the InChIKey of 2-Chloro-4-nitropyridine N-oxide?
A: InChIKey of 2-Chloro-4-nitropyridine N-oxide is YSTCMHHKDOVZDA-UHFFFAOYSA-N.

 2-Chloro-4-nitropyridine 1-oxidefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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