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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 2774635Generated: October 25, 2026

2-Fluoro-5-methylpyridine

2-Fluoro-5-m · uoro-5-methyL · 6-FLUORO-3-PICOLINE · 2-FLUORO-5-PICOLINE · Fluoromethylpyridine3 · 2-FLUORO-5-METHYPYRIDINE · 2-Bromo-1-methylpyridine · 2-FLUORO-5-METHYLPYRIDINE

https://huagongshe.com/en/chemical/2774635

2-Fluoro-5-methylpyridine molecular structure

Identifiers & Physical Properties

CAS No.2369-19-9
Molecular formulaC6H6FN
Average molar mass111.12 g/mol
Monoisotopic mass111.04842741 g/mol
SMILESCc1ccc(F)nc1
InChIKeyAOSOZARHUJMBLZ-UHFFFAOYSA-N
PubChem CID2774635
EC No.624-867-5
DTXSIDDTXSID60379143

Chemical & Physical Properties

XLogP1.8
Topological polar surface area12.9
Hydrogen bond donors0
Hydrogen bond acceptors2
Rotatable bonds0
Heavy atoms8
Formal charge0
Complexity74.9
Boiling point158-159 °C (lit.)
Density1.072 g/mL at 25 °C (lit.)
Refractive indexn20/D 1.4730(lit.)
Flash point119 °F
Storage conditionsunder inert gas (nitrogen or Argon) at 2-8°C
pKa (acidity coefficient)-0.14±0.10(Predicted)
Physical stateLiquid
Specific gravity1.077
ColorColorless to pale yellow
BRN107085
InChIInChI=1S/C6H6FN/c1-5-2-3-6(7)8-4-5/h2-4H,1H3
InChIKeyAOSOZARHUJMBLZ-UHFFFAOYSA-N
SMILESC1(F)=NC=C(C)C=C1
CAS DataBase Reference2369-19-9(CAS DataBase Reference)
UNSPSC Code12352100
NACRESNA.22
GHS pictogramGHS02,GHS07
Signal wordWarning
GHS hazard statementsH226-H315-H319-H335
GHS precautionary statementsP210-P302+P352-P305+P351+P338
Target organsRespiratory system
Personal protective equipment (PPE)Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard symbolsXi,F
Risk statements (R)10-36/37/38
Safety statements (S)16-26-36/37-36
UN transport numberUN 1993 3/PG 3
Water hazard class (WGK)3
Hazard NoteFlammable/Irritant
Hazard class3Eye Irrit. 2Flam. Liq. 3Skin Irrit. 2STOT SE 3
Packing groupIII
Customs code29333990
Storage class3 - Flammable liquids

Safety & Regulations

GHS classificationWarningH226 (97.9%): Flammable liquid and vapor [Warning Flammable liquids]P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 48 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesFlam. Liq. 3 (97.9%)
Personal protective equipment (PPE)Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Water hazard class (WGK)3
UN transport numberUN 1993 3/PG 3
Customs code29333990
Risk statements (R)10-36/37/38
Signal wordWarning
GHS pictogramGHS02,GHS07
Hazard symbolsXi,F
hazard_noteFlammable/Irritant
Safety statements (S)16-26-36/37-36
Hazard class3Eye Irrit. 2Flam. Liq. 3Skin Irrit. 2STOT SE 3
Storage class3 - Flammable liquids
Packing groupIII
Target organsRespiratory system
GHS hazard statementsH226-H315-H319-H335
GHS precautionary statementsP210-P302+P352-P305+P351+P338

Applications & Uses

Uses

2-Fluoro-5-methylpyridine serves as a starting material for the preparation of 6-fluoronicotinic acid[6].