Basic information
- Standard SMILES
c1cnc2c(c1)CCC2- InChIKey
KRNSYSYRLQDHDK-UHFFFAOYSA-N- Molecular formula
- C8H9N
- Average molar mass
- 119.16 g/mol
- Monoisotopic mass
- 119.07349929
Overview
structure in first source
Names & identifiers
- Preferred name
- Pyrindan
- IUPAC
- 6,7-dihydro-5H-cyclopenta[b]pyridine
- English name
- Cyclopenta[b]pyridine
- Molecular formula
- C8H9N
- Molecular weight
- 119.16
Names & synonyms
Show more names
Database identifiers
- CAS
533-37-9- PubChem CID
- 68292
- DTXSID
DTXSID70201446- UNII
- 18Z19A103W
- EC Number
- 208-564-1
- Nikkaji
- J147.225I
Properties
Computed structural properties
- XLogP
- 1.5
- Topological polar surface area
- 12.9 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 1
- Rotatable bonds
- 0
- Heavy atoms
- 9
- Formal charge
- 0
- Complexity
- 101
Experimental & physicochemical properties
Physicochemical properties
- Melting point
- 117 °C · 117 °C
- Boiling point
- 87 · 87-88 °C/11 mmHg (lit.)
- Density
- 1.018 g/mL · 1.018 g/mL at 25 °C (lit.)
- refractive index
- 20 · n20/D 1.544(lit.)
- Flash point
- 153 °F · 153 °F
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- Chloroform (Slightly), Methanol (Slightly)
- form
- clear liquid
- pka
- 6.19 · 6.19±0.20(Predicted)
- color
- Colorless to Red to Green
- InChI
- 1S/C8H9N/c1-3-7-4-2-6-9-8(7)5-1/h2,4,6H,1,3,5H2
- InChIKey
- KRNSYSYRLQDHDK-UHFFFAOYSA-N
- SMILES
- C1Cc2cccnc2C1
- CAS DataBase Reference
- 533 · 533-37-9(CAS DataBase Reference)
- FDA UNII
- 18 Z19A103W · 18Z19A103W
- NIST Chemistry Reference
- 5 H-1-Pyrindine, · 5H-1-Pyrindine, 6,7-dihydro-(533-37-9)
- UNSPSC Code
- 12352100 · 12352100
- NACRES
- 22 · NA.22
- Symbol(GHS)
- 7 · GHS07
- Signal word
- Warning
- Hazard statements
- 315 · H315-H319-H335
- Precautionary statements
- 261 · P261-P264-P271-P280-P302+P352-P305+P351+P338
- target organs
- Respiratory system
- PPE
- Eyeshields, Gloves, type ABEK (EN14387) respirator filter
- Hazard Codes
- Xi
- Risk Statements
- 36 · 36/37/38
- Safety Statements
- 26 · 26-36
- WGK Germany
- 3 · 3
- HS Code
- 29333990 · 29333990
- Storage Class
- 10 · 10 - Combustible liquids
- Hazard Classifications
- 2 Skin · Eye Irrit. 2Skin Irrit. 2STOT SE 3
Safety & regulation
GHS classification
GHS Classification
Warning
H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, 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.
Hazard information
Safety data
- PPE
- Eyeshields, Gloves, type ABEK (EN14387) respirator filter
- wgk
- 3
- hs_code
- 29333990
- risk_code
- 36/37/38
- Signal word
- Warning
- Symbol(GHS)
- GHS07
- hazard_code
- Xi
- safety_code
- 26-36
- Storage Class
- 10 - Combustible liquids
- target organs
- Respiratory system
- Hazard statements
- H315-H319-H335
- Hazard Classifications
- Eye Irrit. 2Skin Irrit. 2STOT SE 3
- Precautionary statements
- P261-P264-P271-P280-P302+P352-P305+P351+P338
Chemistry & industry
Applications
Uses2,3-Cyclopentenopyridine is used as reactant/reagent for ruthenium-mediated dual catalytic reactions of isoquinoline via C-H activation and dearomatization for isoquinolone.
General DescriptionThe structural properties of 2,3-cyclopentenopyridine using spectroscopic and computational techniques have been studied. 2,3-Cyclopentenopyridine is present in the side chain of cefpirome (HR 810), a new cephalosporin.
Upstream & downstream products
Upstream raw materials
Downstream products
Suppliers50 total
Related reactions
Linked notes
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