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Cas Database |
| Name |
4-Ethylpyridine |
EINECS | 208-646-7 |
| CAS No. | 536-75-4 | Density | 0.928 g/cm3 |
| PSA | 12.89000 | LogP | 1.64400 |
| Solubility | 34 g/L in water | Melting Point |
-91 °C |
| Formula | C7H9N | Boiling Point | 169.999 °C at 760 mmHg |
| Molecular Weight | 107.155 | Flash Point | 46.305 °C |
| Transport Information | UN 2924 3/PG 3 | Appearance | clear colorless to yellowish liquid |
| Safety | 26-36-36/37/39-16 | Risk Codes | 10-36/37/38-20/21/22 |
| Molecular Structure |
|
Hazard Symbols |
 Xi, Xn
|
| Synonyms |
NSC 822;NSC 965;g-Ethylpyridine; |
Article Data | 75 |
4-Ethylpyridine Chemical Properties
IUPAC Name: 4-Ethylpyridine
Synonyms of 4-Ethylpyridine (CAS NO.536-75-4): gamma-Ethylpyridine ; Pyridine, 4-ethyl-
CAS NO: 536-75-4
Molecular Formula: C7H9N
Molecular Weight : 107.1531
Molecular Structure: 
EINECS: 208-646-7
H bond acceptors: 1
H bond donors: 0
Freely Rotating Bonds: 1
Polar Surface Area: 12.89 Å2
Index of Refraction: 1.498
Molar Refractivity: 33.89 cm3
Molar Volume: 115.4 cm3
Surface Tension: 33.6 dyne/cm
Density: 0.927 g/cm3
Flash Point: 46.3 °C
Enthalpy of Vaporization: 38.97 kJ/mol
Boiling Point: 170 °C at 760 mmHg
Vapour Pressure: 1.99 mmHg at 25°C
Melting Point: -91 °C
Storage temp: Flammables area
Water Solubility: 34 g/L
Appearance: 4-Ethylpyridine (CAS NO.536-75-4) is clear colorless to yellowish liquid.
Product Categories: C7 and C8;Heterocyclic Building Blocks;Pyridines
4-Ethylpyridine Uses
4-Ethylpyridine (CAS NO.536-75-4) is used as pesticide intermediates.
4-Ethylpyridine Production
4-Ethylpyridine (CAS NO.536-75-4) is derived by reaction of Pyridine with Acetic anhydride in the presence of zinc powder.
4-Ethylpyridine Safety Profile
Hazard Codes: 
Xi,Xn
Risk Statements: 10-36/37/38-20/21/22
R10: Flammable.
R36/37/38: Irritating to eyes, respiratory system and skin.
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 26-36-36/37/39-16
S16: Keep4-Ethylpyridine (CAS NO.536-75-4) away from sources of ignition.
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: UN 2924 3/PG 3
WGK Germany: 3
F: 8
HazardClass: 3
PackingGroup: III
HS Code: 29333999
4-Ethylpyridine Specification
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Will burn if involved in a fire. Flammable liquid and vapor.
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.
Handling: Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion and inhalation. Use only in a chemical fume hood.
Storage: Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Flammables-area.
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