Pentetrazol

戊四唑

Also known as: Pentylenetetrazole, 1,5-Pentamethylenetetrazole, Cardiazole, Metrazole, 6,7,8,9-Tetrahydro-5H-tetrazolo[1,5-a]azepine, 1,5-Pentamethylene-1H-tetrazole, Alpha,Beta-cyclopentamethylenetetrazole

Pentetrazol (CAS 54-95-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C6H10N4 and a molecular weight of 138.17000 g/mol. It is also known as Pentylenetetrazole, 1,5-Pentamethylenetetrazole and Cardiazole. Key properties include a melting point of 59-61 °C(lit.), a boiling point of 194 °C12 mm Hg(lit.), a density of 1.73 g/cm3 (20ºC) and a flash point of 194°C/12mm. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
54-95-5
Jingsj CID
J-31040-8
Molecular Formula
C6H10N4
Chinese Name
戊四唑
Molecular Weight
138.17000 g/mol
Category
Organic Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point59-61 °C(lit.)
Boiling Point194 °C12 mm Hg(lit.)
Density1.73 g/cm3 (20ºC)
Flash Point194°C/12mm
Exact Mass138.09100
PSA43.60000
LogP0.39950
Refractive Index1.494 (20ºC)
StabilityStable. Incompatible with strong oxidizing agents.

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933990090
Summary2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Pentetrazol?

The CAS number of Pentetrazol is 54-95-5.

What are the molecular formula and molecular weight of Pentetrazol?

Pentetrazol has molecular formula C6H10N4 and molecular weight 138.17000 g/mol.

Is Pentetrazol hazardous?

Pentetrazol has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of Pentetrazol?

For Pentetrazol, Upstream Products: Cyclohexanone, ε-Thiocaprolactam, Cyclohexanone oxime.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Pentetrazol (CAS 54-95-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31040-8 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.