Pyridine
SIAL/02486 - analytical standard
CAS Number: 110-86-1
Empirical Formula (Hill Notation): C5H5N
Molecular Weight: 79.10
EC Number: 203-809-9
MDL Number: MFCD00011732
Linear Formula: C5H5N
Product Type: Chemical
| application(s) | cleaning products cosmetics environmental flavors and fragrances food and beverages personal care |
| assay | ≥99.9% (GC) |
| autoignition temp. | 899 °F |
| bp | 115 °C (lit.) |
| density | 0.978 g/mL at 25 °C (lit.) |
| expl. lim. | 12.4 % |
| format | neat |
| grade | analytical standard |
| InChI | 1S/C5H5N/c1-2-4-6-5-3-1/h |
| InChI key | JUJWROOIHBZHMG-UHFFFAOYSA |
| mp | −42 °C (lit.) |
| Quality Level | 100  |
| refractive index | n |
| n |
|
| shelf life | limited shelf life, expiry date on the label |
| SMILES string | C1=CN=CC=C1 |
| technique(s) | gas chromatography (GC): suitable |
| HPLC: suitable | |
| vapor density | 2.72 (vs air) |
| vapor pressure | 10 mmHg ( 13.2 °C) |
| 20 mmHg ( 25 °C) |
| Application: | Pyridine may be used as an analytical reference standard for the quantification of the analyte in cigarette smoke using reversed-phase liquid chromatography/electrospr |
| General description: | Pyridine is a heterocyclic compound and a toxic chemical, which is widely used as a solvent and intermediate in the production of dyes, rubber products, paints, textile water repellents, agricultural chemicals, chemical laboratories, manufacturing of piperidine, etc. It plays an important role in the sensory properties of cigarette smoke and exists as a volatile component in certain food products. |
| Symbol |   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 Codes | F,Xn |
| Risk Statements | 11-20/21/22-36/38-52 |
| Safety Statements | 26-28 |
| RIDADR | UN1282 - class 3 - PG 2 - Pyridine |
| WGK Germany | WGK 2 |
| Flash Point(F) | 68.0 °F - closed cup |
| Flash Point(C) | 20 °C - closed cup |
| Purity | ≥99.9% (GC) |
| bp | 115 °C (lit.) |
| mp | −42 °C (lit.) |
| Density | 0.978 g/mL at 25 °C (lit.) |
| Refractive Index | n |
| UNSPSC | 41116107 |