Basic information
- CAS
14432-16-7- Standard SMILES
O=[N+]([O-])c1cc[n+]([O-])c(Cl)c1- InChIKey
YSTCMHHKDOVZDA-UHFFFAOYSA-N- Molecular formula
- C5H3ClN2O3
- Average molar mass
- 174.54 g/mol
- Monoisotopic mass
- 173.9832197
Names & identifiers
- Preferred name
- 2-Chloro-4-nitropyridine 1-oxide
- IUPAC
- 2-chloro-4-nitro-1-oxidopyridin-1-ium
- English name
- 2-Chloro-4-nitropyridine 1-oxide
- Molecular formula
- C5H3ClN2O3
- Molecular weight
- 174.54
Names & synonyms
Show more names
Database identifiers
- CAS
14432-16-7- PubChem CID
- 84433
- DTXSID
DTXSID80162675- UNII
- JE5ASN4WNE
- EC Number
- 238-404-6
- Nikkaji
- J217.012D
Properties
Computed structural properties
- XLogP
- 0.6
- Topological polar surface area
- 71.3 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 3
- Rotatable bonds
- 0
- Heavy atoms
- 11
- Formal charge
- 0
- Complexity
- 160
Physicochemical properties
- Melting point
- 151 · 151-155 °C (lit.)
- Boiling point
- 405.9 · 405.9±25.0 °C(Predicted)
- Density
- 1.62 · 1.62±0.1 g/cm3(Predicted)
- Flash point
- 223 °F · 223 °F
- storage temp.
- 2 · 2-8°C, sealed storage, away from moisture
- pka
- -2.53 · -2.53±0.10(Predicted)
- form
- powder to crystal
- color
- Light orange to Yellow to Green
- BRN
- 145697 · 145697
- InChI
- 1S/C5H3ClN2O3/c6-5-3-4(8(10)11)1-2-7(5)9/h1-3H
- InChIKey
- YSTCMHHKDOVZDA-UHFFFAOYSA-N
- SMILES
- [O-][N+](=O)c1cc[n+]([O-])c(Cl)c1
- CAS DataBase Reference
- 14432 · 14432-16-7(CAS DataBase Reference)
- FDA UNII
- 5 ASN4WNE · JE5ASN4WNE
- UNSPSC Code
- 12352100 · 12352100
- NACRES
- 22 · NA.22
- Symbol(GHS)
- 6 · GHS06
- Signal word
- Danger
- Hazard statements
- 301 · H301+H311+H331-H315-H319-H335
- Precautionary statements
- 280 · P280-P301+P310+P330-P302+P352+P312-P304+P340+P311-P305+P351+P338
- target organs
- Respiratory system
- PPE
- 2 · Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
- Hazard Codes
- T
- Risk Statements
- 23 · 23/24/25-36/37/38
- Safety Statements
- 26 · 26-36-45-36/37/39-28
- RIDADR
- 2811 · UN 2811 6.1/PG 3
- WGK Germany
- 3 · 3
- HazardClass
- 6.1 · 6.1
- PackingGroup
- III
- HS Code
- 29333990 · 29333990
- Storage Class
- 6.1 C · 6.1C - Combustible acute toxic Cat.3toxic compounds or compounds which causing chronic effects
- Hazard Classifications
- 3 DermalAcute · Acute Tox. 3 DermalAcute Tox. 3 InhalationAcute Tox. 3 OralEye Irrit. 2Skin Irrit. 2STOT SE 3
Safety & regulation
GHS classification
GHS Classification
Danger
H301 (91.1%): Toxic if swallowed [Danger Acute toxicity, oral];H311 (91.1%): Toxic in contact with skin [Danger Acute toxicity, dermal];H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation];H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation];H331 (91.1%): Toxic if inhaled [Danger Acute toxicity, inhalation];H335 (97.8%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
P261, P262, P264, P264+P265, P270, P271, P280, P301+P316, P302+P352, P304+P340, P305+P351+P338, P316, P319, P321, P330, P332+P317, P337+P317, P361+P364, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 45 reports by companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.;Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard information
Safety data
- PPE
- Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges
- wgk
- 3
- ridadr
- UN 2811 6.1/PG 3
- hs_code
- 29333990
- risk_code
- 23/24/25-36/37/38
- Signal word
- Danger
- Symbol(GHS)
- GHS06
- hazard_code
- T
- safety_code
- 26-36-45-36/37/39-28
- hazard_class
- 6.1
- Storage Class
- 6.1C - Combustible acute toxic Cat.3toxic compounds or compounds which causing chronic effects
- packing_group
- III
- target organs
- Respiratory system
- Hazard statements
- H301+H311+H331-H315-H319-H335
- Hazard Classifications
- Acute Tox. 3 DermalAcute Tox. 3 InhalationAcute Tox. 3 OralEye Irrit. 2Skin Irrit. 2STOT SE 3
- Precautionary statements
- P280-P301+P310+P330-P302+P352+P312-P304+P340+P311-P305+P351+P338
Chemistry & industry
Applications
Uses2-Chloro-4-nitropyridine 1-oxide serves as a reagent for nucleophilic substitution with amines in ethanol under microwave irradiation at 100 °C to form pyridine N-oxides[1].
Upstream & downstream products
Upstream raw materials
Downstream products
Suppliers100 total
Related reactions
Compound notes
Loading…