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108-89-4

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Identification

Name
4-Methylpyridine
CAS
108-89-4
Synonyms
4-METHYLPYRIDINE
4-PICOLINE
GAMMAP
GAMMA-PICOLINE
g-picoline
γ-Picoline
sigma-Picoline
4-methyl-pyridin
Ba 35846
ba35846
gamma-Methylpyridine
para-Methylpyridine
picoline-4
p-Methylpyridine
p-Picoline
Pyridine,4-methyl-
4-picoline (gamma)
PicolineMethylpyridine
4-Methylpyrdine
4-METHYL PYRIDINE (Picoline)
EINECS(EC#)
203-626-4
Molecular Formula
C6H7N
MDL Number
MFCD00006440
Molecular Weight
93.13
MOL File
108-89-4.mol

Chemical Properties

Appearance
Clear light yellow liquid
Appearance
Picolines are colorless liquids. Strong, unpleasant, pyridine-like odor.“Picoline” is often used as mixed isomers.
mp 
2.4 °C(lit.)

bp 
145 °C(lit.)

density 
0.957 g/mL at 25 °C(lit.)

vapor density 
3.2 (vs air)

vapor pressure 
4 mm Hg ( 20 °C)

refractive index 
n20/D 1.504(lit.)

Fp 
134 °F

storage temp. 
Flammables area
Water Solubility 
soluble
Merck 
14,7402
BRN 
104586
CAS DataBase Reference
108-89-4(CAS DataBase Reference)
NIST Chemistry Reference
Pyridine, 4-methyl-(108-89-4)
EPA Substance Registry System
108-89-4(EPA Substance)

Safety Data

Hazard Codes 
T
Risk Statements 
R10:Flammable.
R20/22:Harmful by inhalation and if swallowed .
R24:Toxic in contact with skin.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR 
UN 1992 3/PG 3

WGK Germany 
1

RTECS 
UT5425000

HazardClass 
3
PackingGroup 
III
HS Code 
29333955
Safety Profile
Poison by ingestion and intraperitoneal routes. Moderately toxic by sktn contact. Mildly toxic by inhalation. A severe skin and eye irritant. Flammable liquid when exposed to heat, flames, oxidizers. To fight fire, use alcohol foam. When heated to decomposition it emits toxic fumes of NOx.
Hazardous Substances Data
108-89-4(Hazardous Substances Data)

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Hazard Information

General Description
Colorless moderately volatile liquid.
Reactivity Profile
4-METHYL PYRIDINE(108-89-4) 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.
Air & Water Reactions
Highly flammable.
Health Hazard
ACUTE/CHRONIC HAZARDS: Moderate fire risk.
Potential Exposure
(o-isomer); Suspected reprotoxic hazard, Primary irritant (w/o allergic reaction), (m-isomer): Possible risk of forming tumors, Primary irritant (w/o allergic reaction). Picolines are used as intermediates in pharmaceutical manufacture, pesticide manufacture; and in the manufacture of dyes and rubber chemicals. It is also used as a solvent.
Fire Hazard
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water.
First aid
If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Speed in removing material from skin is of extreme importance. Shampoo hair promptly if contaminated. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.
Shipping
UN2313 Picolines, Hazard Class: 3; Labels: 3-Flammable liquid.
Incompatibilities
Vapors 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. Attacks copper and its alloys.

Material Safety Data Sheet(MSDS)

Spectrum Detail

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