Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

Build a label

Substance profile

3-(2H-tetrazol-5-yl)pyridine

3-(2H-tetrazol-5-yl)pyridine is a chemical substance with the molecular formula C6H5N5.

CAS 3250-74-6 C6H5N5 147.14 g/mol Danger

01 · Identification

What 3-(2H-tetrazol-5-yl)pyridine is

3-(2H-tetrazol-5-yl)pyridine is a chemical substance with the molecular formula C6H5N5. Its molecular formula is C6H5N5 and its molecular weight is 147.14 g/mol.

Under the GHS it carries the signal word Danger.

CAS number3250-74-6
EC number426-810-8
Index number613-241-00-7
Molecular formulaC6H5N5
Molecular weight147.14 g/mol

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Signal wordDanger
Hazard statements assigned to 3-(2H-tetrazol-5-yl)pyridine
CodeHazard statement
H318 Causes serious eye damage.

Precautionary statements: P280, P305, P310, P338

Get the free GHS / CLP / OSHA deadline calendar

Verified 2026–2029 compliance dates in one PDF — plus alerts when the rules change.