pyridine

C5H5N

CAS110-86-1

Danger

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Identification

CAS Number: 110-86-1
EC Number: 203-809-9
UN Number: 1282
Index Number: 613-002-00-7
PubChem CID: 1049

Physical-chemical properties

Molecular Formula: C5H5N
Molar Mass: 79.10 g/mol
IUPAC Name: pyridine

Chemical Identifiers

InChI: InChI=1S/C5H5N/c1-2-4-6-5-3-1/h1-5H
InChI Key: JUJWROOIHBZHMG-UHFFFAOYSA-N

Overview

pyridine (CAS: 110-86-1) is a chemical compound widely used in industry. The molecular formula is C5H5N. The molar mass is 79.10 g/mol.

Safety & Classification

Danger

Classification:

Flam. Liq. 2; Acute Tox. 4 *; Acute Tox. 4 *; Acute Tox. 4 *

GHS Pictograms

Flame

GHS02

Flammable. May ignite on contact with air, water, or heat sources.

Exclamation Mark

GHS07

Harmful. May cause irritation, allergic reactions, or drowsiness.

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H225

Highly flammable liquid and vapour.

H332

Harmful if inhaled.

H312

Harmful in contact with skin.

H302

Harmful if swallowed.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Inhalation

Harmful

Measures if vapours or dust are inhaled

First Aid Actions

+P304IF INHALED:
+P340Remove person to fresh air and keep comfortable for breathing.
+P311Call a POISON CENTER/doctor.

Related hazard statements:

H332

Skin Contact

Harmful

Measures if substance contacts the skin

First Aid Actions

+P302IF ON SKIN:
+P352Wash with plenty of water.
+P361Take off immediately all contaminated clothing.
+P313Get medical advice/attention.

Related hazard statements:

H312

Ingestion

Harmful

Measures if substance is accidentally swallowed

First Aid Actions

+P301IF SWALLOWED:
+P330Rinse mouth.
+P331Do NOT induce vomiting.
+P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

H302

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number	1282
ADR Class	3
Packing Group	II
Tunnel Code	D/E
Proper Shipping Name	Pyridin, rein
Marine Pollutant	No

Frequently Asked Questions

What is pyridine?

pyridine (CAS 110-86-1) is a chemical substance with the formula C5H5N used in various industrial applications.

What are the properties of pyridine?

pyridine has a molar mass of 79.10 g/mol. It is classified as Flam. Liq. 2; Acute Tox. 4 *; Acute Tox. 4 *; Acute Tox. 4 *. See the technical data above for more details.

How to store pyridine safely?

pyridine should be stored according to the Safety Data Sheet instructions. Follow the GHS labeling and keep the substance in a cool, dry and well-ventilated place.

Is pyridine dangerous?

pyridine carries the signal word "Danger". 2 GHS pictograms apply. Always follow the safety instructions in the data sheet.

Where can I buy pyridine?

You can order pyridine (CAS 110-86-1) from OYSI. We deliver across Europe and offer technical consulting as well as complete compliance documentation.