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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 74183Generated: October 23, 2026

5-Methylpicolinonitrile

5-Methylpicolinonitrile · 6-Cyano-3-picoline · 5-Methypicolinonitrile · -pyridine-2-carbonitriL · 5-Methyl-2-cyanopyridine · 2-CYANO-5-METHYLPYRIDINE · 2-Cyano-5-methylpyridine >2-Cyano-5-methylpyridine ,97% · 5-Methylpyridin-2-carbonitrile

https://huagongshe.com/en/chemical/74183

5-Methylpicolinonitrile molecular structure

Identifiers & Physical Properties

CAS No.1620-77-5
Molecular formulaC7H6N2
Average molar mass118.14 g/mol
Monoisotopic mass118.05309819 g/mol
SMILESCc1ccc(C#N)nc1
InChIKeyLIEQVZZZYLHNRH-UHFFFAOYSA-N
PubChem CID74183
EC No.216-589-4
DTXSIDDTXSID20167285

Chemical & Physical Properties

XLogP1.4
Topological polar surface area36.7
Hydrogen bond donors0
Hydrogen bond acceptors2
Rotatable bonds0
Heavy atoms9
Formal charge0
Complexity133
Melting point73-75°C
Boiling point140°C/20mmHg(lit.)
Density1.08±0.1 g/cm3(Predicted)
Storage conditionsInert atmosphere,Room Temperature
Physical stateSolid
pKa (acidity coefficient)-0.03±0.10(Predicted)
ColorWhite to Almost white
InChIInChI=1S/C7H6N2/c1-6-2-3-7(4-8)9-5-6/h2-3,5H,1H3
InChIKeyLIEQVZZZYLHNRH-UHFFFAOYSA-N
SMILESC1(C#N)=NC=C(C)C=C1
CAS DataBase Reference1620-77-5(CAS DataBase Reference)
FDA UNIIBTZ4BG8Z8D
GHS pictogramGHS06,GHS07
Signal wordDanger
GHS hazard statementsH302-H312-H331-H335-H301-H315-H319
GHS precautionary statementsP261-P304+P340-P305+P351+P338-P501a-P264-P270-P280-P301+P310+P330-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P405-P501
Hazard symbolsXi
Risk statements (R)36/37/38
Safety statements (S)26-36
UN transport number3439
Hazard classIRRITANT
Packing groupⅢ
Customs code2933399990

Safety & Regulations

GHS classificationDangerH301 (20%): Toxic if swallowed [Danger Acute toxicity, oral]P261, P264, P264+P265, P270, P271, P280, P301+P316, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 5 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 3 (20%)
UN transport number3439
Customs code2933399990
Risk statements (R)36/37/38
Signal wordDanger
GHS pictogramGHS06,GHS07
Hazard symbolsXi
Safety statements (S)26-36
Hazard class6.1
Packing groupⅢ
GHS hazard statementsH302-H312-H331-H335-H301-H315-H319
GHS precautionary statementsP261-P304+P340-P305+P351+P338-P501a-P264-P270-P280-P301+P310+P330-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P405-P501

Applications & Uses

Uses

2-Cyano-5-methylpyridine (5-methylpicolinonitrile) is a methylpyridine analogue mainly used as a raw material or intermediate component in organic synthesis. It is used in the synthesis of 5-Methylpicolinaldehyde and its derivatives.