Documents
33553
Pyridine
puriss. p.a., ACS reagent, reag. Ph. Eur., ≥99.5% (GC)
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grade
ACS reagent
puriss. p.a.
Quality Level
Agency
reag. Ph. Eur.
vapor density
2.72 (vs air)
vapor pressure
10 mmHg ( 13.2 °C)
20 mmHg ( 25 °C)
Assay
≥99.5% (GC)
form
liquid
autoignition temp.
899 °F
expl. lim.
12.4 %
impurities
≤0.0005% KMnO4 red. matter (as O)
≤0.002% ammonia (NH3)
≤0.002% non-volatile matter
≤0.01% piperidine (GC)
≤0.1% water (Karl Fischer)
≤0.2% 2-picoline (GC)
refractive index
n20/D 1.509 (lit.)
pH
8.5 (25 °C, 15.82 g/L)
bp
115 °C (lit.)
mp
−42 °C (lit.)
solubility
H2O: in accordance
density
0.978 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤5 mg/kg
sulfate (SO42-): ≤5 mg/kg
cation traces
Al: ≤0.5 mg/kg
B: ≤0.02 mg/kg
Ba: ≤0.1 mg/kg
Ca: ≤0.5 mg/kg
Cd: ≤0.05 mg/kg
Co: ≤0.02 mg/kg
Cr: ≤0.02 mg/kg
Cu: ≤0.03 mg/kg
Fe: ≤0.1 mg/kg
Mg: ≤0.1 mg/kg
Mn: ≤0.02 mg/kg
Ni: ≤0.02 mg/kg
Pb: ≤0.1 mg/kg
Sn: ≤0.1 mg/kg
Zn: ≤0.1 mg/kg
SMILES string
C1=CN=CC=C1
InChI
1S/C5H5N/c1-2-4-6-5-3-1/h1-5H
InChI key
JUJWROOIHBZHMG-UHFFFAOYSA-N
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This Item | 270970 | 33553-M | 494410 |
|---|---|---|---|
| vapor density 2.72 (vs air) | vapor density 2.72 (vs air) | vapor density 2.72 (vs air) | vapor density 2.72 (vs air) |
| vapor pressure 10 mmHg ( 13.2 °C), 20 mmHg ( 25 °C) | vapor pressure 10 mmHg ( 13.2 °C), 20 mmHg ( 25 °C) | vapor pressure 10 mmHg ( 13.2 °C), 20 mmHg ( 25 °C) | vapor pressure 10 mmHg ( 13.2 °C), 20 mmHg ( 25 °C) |
| assay ≥99.5% (GC) | assay 99.8% | assay ≥99.5% (GC) | assay ≥99.9% |
| form liquid | form liquid | form liquid | form liquid |
| autoignition temp. 899 °F | autoignition temp. 899 °F | autoignition temp. 899 °F | autoignition temp. 899 °F |
General description
Application
Signal Word
Danger
Hazard Statements
Precautionary Statements
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
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