8.07049

4-Methylpyridine

for synthesis

• Synonym(s): 4-Methylpyridine, 4-Picoline
• Empirical Formula (Hill Notation): C₆H₇N
• CAS Number: 108-89-4
• Molecular Weight: 93.13
• MDL number: MFCD00006440
• UNSPSC Code: 12352005
• EC Index Number: 203-626-4
• NACRES: NA.22

Properties

• vapor pressure: 5.8 hPa ( 20 °C)
• Quality Level: 200
• assay: ≥98.0% (GC)
• form: liquid
• autoignition temp.: >500 °C
• potency: 1290 mg/kg LD₅₀, oral (Rat); 270 mg/kg LD₅₀, skin (Rabbit)
• expl. lim.: 1.3-8.7 % (v/v)
• bp: 145 °C/1013 hPa
• mp: 3 °C
• transition temp: flash point 40 °C
• solubility: 1000 g/L
• density: 0.95 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C6H7N/c1-6-2-4-7-5-3-6/h2-5H,1H3
• InChI key: FKNQCJSGGFJEIZ-UHFFFAOYSA-N

Description

Application

<ul>
<li><strong>Hemocompatible nanomaterials for biosensing: </strong>4-Methylpyridine is used as the functionalizing agent in the synthesis of the 3-n-propyl(2-amino-4-methyl)pyridium chloride ( SiAMPy⁺Cl^-) material through a sol-gel procedure for the production of stable nanoconjugates with gold nanoparticles (AuNPs-SiAMPy+) (Lima et al., 2022).</li>
</ul>

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.953 - 0.955
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Safety Information

• pictograms: GHS02,GHS06
• signalword: Danger
• hcodes: H226 - H302 + H332 - H311 - H315 - H319 - H335
• pcodes: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 1
• flash_point_f: 102.2 °F - closed cup
• flash_point_c: 39 °C - closed cup