Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 70714Generated: October 23, 2026

3-Iodopyridine

3-Pyridyl iodide · 3-lodopyridine · 3-Iodo Pyrdine · 3-IODOPYRIDINE · Pyridine, 3-iodo- · 3-Iodopyridine>3-Iodopyridine,99% · 3-Iodopyridine 98% · 3-Iodopyridine ,98%

https://huagongshe.com/en/chemical/70714

3-Iodopyridine molecular structure

Identifiers & Physical Properties

CAS No.1120-90-7
Molecular formulaC5H4IN
Average molar mass205 g/mol
Monoisotopic mass204.93884713 g/mol
SMILESIc1cccnc1
InChIKeyXDELKSRGBLWMBA-UHFFFAOYSA-N
PubChem CID70714
ChEMBLCHEMBL5434735
EC No.214-322-6
DTXSIDDTXSID10149813

Chemical & Physical Properties

XLogP1.8
Topological polar surface area12.9
Hydrogen bond donors0
Hydrogen bond acceptors1
Rotatable bonds0
Heavy atoms7
Formal charge0
Complexity56
Melting point53-56 °C (lit.)
Boiling point90-92°C 14mm
Density1.9668 (estimate)
Flash point224 °F
Storage conditionsKeep in dark place,Inert atmosphere,Room temperature
Physical statepowder to crystal
pKa (acidity coefficient)pK1:3.25(+1) (25°C)
ColorWhite to Light yellow to Light red
SensitivityLight Sensitive
BRN106059
InChI1S/C5H4IN/c6-5-2-1-3-7-4-5/h1-4H
InChIKeyXDELKSRGBLWMBA-UHFFFAOYSA-N
SMILESIc1cccnc1
CAS DataBase Reference1120-90-7(CAS DataBase Reference)
FDA UNIILWL4FC4MZM
NIST Chemistry ReferencePyridine, 3-iodo-(1120-90-7)
UNSPSC Code12352100
NACRESNA.22
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P264-P271-P280-P302+P352-P305+P351+P338
Target organsRespiratory system
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Hazard symbolsXi,T
Risk statements (R)36/37/38-23/24/25
Safety statements (S)26-36-45-36/37/39
Water hazard class (WGK)3
Hazard NoteIrritant
Hazard classIRRITANT, LIGHT SENSITIVEEye Irrit. 2Skin Irrit. 2STOT SE 3
Customs code29333990
Storage class11 - Combustible Solids

Safety & Regulations

GHS classificationWarningH315 (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 51 reports by companies from 10 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesSkin Irrit. 2 (100%)
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK)3
Customs code29333990
Risk statements (R)36/37/38-23/24/25
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXi,T
hazard_noteIrritant
Safety statements (S)26-36-45-36/37/39
Hazard classIRRITANT, LIGHT SENSITIVEEye Irrit. 2Skin Irrit. 2STOT SE 3
Storage class11 - Combustible Solids
Target organsRespiratory system
GHS hazard statementsH315-H319-H335
GHS precautionary statementsP261-P264-P271-P280-P302+P352-P305+P351+P338

Applications & Uses

Uses

3-Iodopyridine may be used to synthesize following pyridine alkaloids:theonelladins C theonelladins Dniphatesine C xestamine D