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Dibenz[a,h]acridine

Also known as: 1,2,5,6-Dibenzacridine, 1,2,5,6-Dibenzoacridine, 1,2,5,6-Dinaphthacridine, 7-Azadibenz[a,h]anthracene, 7-Azadibenz(a,h)anthracene, Dibenzacridine, Dibenzo[a,h]acridine, Db(a,h)ac

Dibenz[a,h]acridine (CAS 226-36-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C21H13N and a molecular weight of 279.335 g/mol. Key properties include a melting point of 223-224ºC, a boiling point of 534.0±19.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 240.3±14.1 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H318 — Causes serious eye damage and H351 — Suspected of causing cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
226-36-8
Jingsj CID
J-1087844-1
Molecular Formula
C21H13N
Molecular Weight
279.335 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point223-224ºC
Boiling Point534.0±19.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point240.3±14.1 °C
Exact Mass279.104797
PSA12.89000
LogP5.86
Vapor Pressure0.0±1.4 mmHg at 25°C
Refractive Index1.824
Storage Conditions2-8°C

GHS Safety & Compliance

Corrosion / Acute Toxicity / Health HazardSignal word: Danger
  • H301 — Toxic if swallowed
  • H318 — Causes serious eye damage
  • H351 — Suspected of causing cancer

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 Dibenz[a,h]acridine?

The CAS number of Dibenz[a,h]acridine is 226-36-8.

What are the molecular formula and molecular weight of Dibenz[a,h]acridine?

Dibenz[a,h]acridine has molecular formula C21H13N and molecular weight 279.335 g/mol.

Is Dibenz[a,h]acridine hazardous?

Dibenz[a,h]acridine has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H318 — Causes serious eye damage; H351 — Suspected of causing cancer.

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

Last updated:

How to cite: Jingsj. "Dibenz[a,h]acridine (CAS 226-36-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1087844-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.