2-Methyl-5-vinylpyridine

2-Methyl-5-vinylpyridine Structure
CAS No.
140-76-1
Chemical Name:
2-Methyl-5-vinylpyridine
Synonyms
Pyridine, 5-ethenyl-2-methyl-;-5-vinyL;5-Vinyl-2-picoline;2-Picoline, 5-vinyl-;2-Methyl-5-vinylpyri;5-Vinyl-ALPHA-picoline;2-Methyl-5-vinylpridine;2,5-Methylvinylpyridine;2-Methyl-5-vinylpyridine;5-Ethenyl-2-methypyridine
CBNumber:
CB7512379
Molecular Formula:
C8H9N
Molecular Weight:
119.16
MOL File:
140-76-1.mol
MSDS File:
SDS
Modify Date:
2024/3/14 15:18:27

2-Methyl-5-vinylpyridine Properties

Melting point -12.0 °C
Boiling point 212.46°C (rough estimate)
Density 1.0000 (rough estimate)
refractive index 1.5330 (estimate)
storage temp. under inert gas (nitrogen or Argon) at 2-8°C
pka 5.58±0.10(Predicted)
CAS DataBase Reference 140-76-1(CAS DataBase Reference)
NIST Chemistry Reference 2-Methyl-5-vinylpyridine(140-76-1)
EPA Substance Registry System 2-Methyl-5-vinylpyridine (140-76-1)

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS06
Signal word  Danger
Hazard statements  H302+H312-H315-H319-H331-H335
Precautionary statements  P261-P280-P305+P351+P338-P311
RIDADR  2810
HazardClass  6.1(b)
PackingGroup  III
HS Code  2933499090
Toxicity LD50 oral in rat: 1300uL/kg
NFPA 704
2
2 0

2-Methyl-5-vinylpyridine Chemical Properties,Uses,Production

Chemical Properties

2-Methyl-5-vinylpyridine is a clear to faintly opalescent liquid.

Uses

Monomer for resins, oil additive, ore flotationagent, dye acceptor.

General Description

Clear to faintly opalescent liquid. Used as a monomer for resins, as an oil additive, ore flotation agent; and dye acceptor.

Reactivity Profile

2-Methyl-5-vinylpyridine neutralizes acids in exothermic reactions to form salts plus water. Can polymerize exothermically. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.

Health Hazard

2-Methyl-5-vinylpyridine is moderately toxic by ingestion, inhalation, and absorption through the skin.

Fire Hazard

When heated to decomposition, 2-Methyl-5-vinylpyridine emits toxic fumes of nitrogen oxides. (Non-Specific -- Combustible Liquid, n.o.s.) Flammable/combustible material; may be ignited by heat, sparks, or flames. Vapors may travel to a source of ignition and flash back. Container may explode in heat of fire.

Potential Exposure

2-Methyl-5-vinylpyridine is used as a monomer for resins; oil additive; ore flotation agent; and dye acceptor.

Shipping

UN3073 Vinylpyridines, stabilized, Hazard class: 6.1; Labels: 6.1-Poison Inhalation Hazard, 3- Flammable liquid, 8-Corrosive material. UN2810 Toxic liquids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1- Poisonous materials, Technical Name Required.

Incompatibilities

Can polymerize exothermically. May form explosive mixture with air. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, hydrides and other strong reducing agents. 2-Methyl-5-vinylpyridine neutralizes acids in exothermic reactions to form salts plus water. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.

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5-Vinyl-ALPHA-picoline 5-Ethenyl-2-methypyridine 2-Methyl-5-vinylpyridine 2,5-Methylvinylpyridine 2-Methyl-5-vinylpridine 2-Picoline, 5-vinyl- 5-Vinyl-2-picoline Pyridine, 2-methyl-5-vinyl- 2-Methyl-5-vinylpyridine ,97% 2-Methyl-5-vinylpyri -5-vinyL 140-76-1 2-Methyl-5-vinylpyridine Pyridine, 5-ethenyl-2-methyl- 140-76-1