1.09728

Pyridine

for analysis EMSURE^® ACS,Reag. Ph Eur

• Synonym(s): Pyridine, Azine, Azabenzene
• Empirical Formula (Hill Notation): C₅H₅N
• CAS Number: 110-86-1
• Molecular Weight: 79.10
• MDL number: MFCD00011732
• UNSPSC Code: 12191501
• EC Index Number: 203-809-9
• NACRES: NB.21
• grade: ACS reagent; for analytical purposes
• bp: 115 °C/1013 hPa
• vapor pressure: 26.7 hPa ( 25 °C)

Properties

• grade: ACS reagent; for analytical purposes
• Quality Level: 300
• Agency: reag. Ph. Eur.
• vapor pressure: 26.7 hPa ( 25 °C)
• product line: EMSURE^®
• Assay: ≥99.5% (GC)
• form: liquid
• autoignition temp.: 482 °C
• potency: 891 mg/kg LD₅₀, oral (Rat); 1121 mg/kg LD₅₀, skin (Rabbit)
• dilution: (for analytical testing)
• impurities: ≤0.002% Ammonia (NH₃); ≤0.01% Piperidine (GC); ≤0.1% Water; ≤0.2% 2-Picoline (GC)
• evapn. residue: ≤0.002%
• color: clearAPHA: ≤10
• pH: 8.81 (20 °C in H₂O)
• bp: 115 °C/1013 hPa
• mp: -42 °C
• transition temp: flash point 17 °C
• density: 0.982 g/cm³ at 20 °C
• anion traces: chloride (Cl^-): ≤0.0005%; sulfate (SO₄^2-): ≤0.0005%
• cation traces: Al: ≤0.00005%; B: ≤0.000002%; Ba: ≤0.00001%; Ca: ≤0.00005%; Cd: ≤0.000005%; Co: ≤0.000002%; Cr: ≤0.000002%; Cu: ≤0.000002%; Fe: ≤0.00001%; Mg: ≤0.00001%; Mn: ≤0.000002%; Ni: ≤0.000002%; Pb: ≤0.00001%; Sn: ≤0.00001%; Zn: ≤0.00001%
• storage temp.: 2-30°C
• SMILES string: n1ccccc1
• InChI: 1S/C5H5N/c1-2-4-6-5-3-1/h1-5H
• InChI key: JUJWROOIHBZHMG-UHFFFAOYSA-N

Description

General description

EMSURE grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE provides worldwide best and most extensive product specifications. We declare our EMSURE range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Application

• Enantioselective separation of amino acids as biomarkers indicating life in extraterrestrial environments.: Research on using pyridine-based chromatography for the enantioselective separation of amino acids, which can help in the search for extraterrestrial life by analyzing amino acid chirality (Pietrogrande, 2013).

Linkage

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Analysis Note

Purity (GC): ≥ 99.5 %
Identity (IR): conforms
Appearance: clear
Color: ≤ 10 Hazen
Solubility in water: conforms
Boiling point: 114 - 116 °C
Reducing substances: conforms
Ammonia (NH₃): ≤ 0.002 %
2-Picoline (GC): ≤ 0.2 %
Piperidine (GC): ≤ 0.01 %
Chloride (Cl): ≤ 0.0005 %
Sulfate (SO₄): ≤ 0.0005 %
Al (Aluminium): ≤ 0.00005 %
B (Boron): ≤ 0.000002 %
Ba (Barium): ≤ 0.00001 %
Ca (Calcium): ≤ 0.00005 %
Cd (Cadmium): ≤ 0.000005 %
Co (Cobalt): ≤ 0.000002 %
Cr (Chromium): ≤ 0.000002 %
Cu (Copper): ≤ 0.000002 %
Fe (Iron): ≤ 0.00001 %
Mg (Magnesium): ≤ 0.00001 %
Mn (Manganese): ≤ 0.000002 %
Ni (Nickel): ≤ 0.000002 %
Pb (Lead): ≤ 0.00001 %
Sn (Tin): ≤ 0.00001 %
Zn (Zinc): ≤ 0.00001 %
Evaporation residue: ≤ 0.002 %
Water: ≤ 0.1 %

Other Notes

Explore various lab safety accessories and equipment for safe handling of solvents to increase your safety level from the first usage.

Legal Information

EMSURE 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