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Pyrene

Also known as: Benzo[def]phenanthrene, EINECS 204-927-3, MFCD00004136, Pyren, pyrene

Pyrene (CAS 129-00-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C16H10 and a molecular weight of 202.251 g/mol. Key properties include a melting point of 145-148ºC, a boiling point of 404.0±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 168.8±12.8 °C. It is classified under GHS with signal word Danger and hazard statements H341 — Suspected of causing genetic defects, H372 — Causes damage to organs through prolonged exposure and H410 — Very toxic to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
129-00-0
Jingsj CID
J-21419-7
Molecular Formula
C16H10
Molecular Weight
202.251 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point145-148ºC
Boiling Point404.0±0.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point168.8±12.8 °C
Exact Mass202.078247
LogP5.17
Vapor Pressure0.0±0.4 mmHg at 25°C
Refractive Index1.852
Additional Propertyalmost insoluble

GHS Safety & Compliance

Health Hazard / Environmental HazardSignal word: Danger
  • H341 — Suspected of causing genetic defects
  • H372 — Causes damage to organs through prolonged exposure
  • H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code2902909090
Summary2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Pyrene?

The CAS number of Pyrene is 129-00-0.

What are the molecular formula and molecular weight of Pyrene?

Pyrene has molecular formula C16H10 and molecular weight 202.251 g/mol.

Is Pyrene hazardous?

Pyrene has GHS signal word Danger and hazard statements H341 — Suspected of causing genetic defects; H372 — Causes damage to organs through prolonged exposure; H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of Pyrene?

For Pyrene, Upstream Products: 1-Pyrenecarboxaldehyde, 4,5,9,10-Tetrahydropyrene, 2,7-di(tert-butyl)pyrene; Downstream Products: Sodium 1-pyrenesulfonate, 1,6-Dinitropyrene, 1,8-Dinitropyrene.

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

Last updated:

How to cite: Jingsj. "Pyrene (CAS 129-00-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21419-7 (accessed 2026-11-06).

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