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1.09728

Supelco

Pyridine

for analysis EMSURE® ACS,Reag. Ph Eur

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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

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)

technique(s)

GC/MS: suitable

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 (SO42-): ≤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

InChI

1S/C5H5N/c1-2-4-6-5-3-1/h1-5H

InChI key

JUJWROOIHBZHMG-UHFFFAOYSA-N

Related Categories

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).

Analysis Note

Evaporation Number: 12.7
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 %

Legal Information

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

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

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

Regulatory Information

危险化学品

Certificates of Analysis (COA)

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