1.94601

Pyridine

for analysis EMPARTA^® ACS

• Synonym(s): Pyridine, Azine, Azabenzene
• CAS Number: 110-86-1
• Molecular Weight: 79.1
• MDL number: MFCD00011732
• UNSPSC Code: 12352005
• EC Index Number: 203-809-9
• NACRES: NB.21

Properties

• grade: ACS reagent
• vapor pressure: 26.7 hPa ( 25 °C)
• product line: EMPARTA^®
• Assay: ≥99% (GC)
• form: liquid
• autoignition temp.: 482 °C
• potency: 891 mg/kg LD₅₀, oral (Rat); 1121 mg/kg LD₅₀, skin (Rabbit)
• pH: 8.81 (20 °C in H₂O)
• bp: 115 °C/1013 hPa
• mp: -42 °C
• transition temp: flash point 17 °C
• solubility: soluble 1000 g/L
• density: 0.982 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C5H5N/c1-2-4-6-5-3-1/h1-5H
• InChI key: JUJWROOIHBZHMG-UHFFFAOYSA-N

Description

General description

for analysis EMPARTA^® ACS

Application

• Vinylcyclopropane-Cyclopentene (VCP-CP) Rearrangement Enabled by Pyridine-Assisted Boronyl Radical Catalysis.: This study explores the VCP-CP rearrangement facilitated by pyridine-assisted boronyl radical catalysis, highlighting its implications for synthetic chemistry and potential applications in creating complex molecular structures efficiently (Li et al., 2024).

Analysis Note

Evaporation Number: 12.7

Legal Information

EMPARTA is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H225,H302 + H312 + H332,H315,H319
• Precautionary Statements: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P312 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 68.0 °F - closed cup
• Flash Point(C): 20 °C - closed cup