Skip to main content

Acenaphthylene

Also known as: 1,2-dihydroacenaphthylene-1,2-diide, 1,8-ethylene-naphthalene, ACENAPHTHALENE, ACENAPHTHYLENE, Acenaphthalene, Acenaphthylene Standard, Cyclopenta(de)naphthalene, Cyclopenta[de]naphthalene, EINECS 205-917-1, MFCD00003806, acenaphthene, acenaphthylene anion radical, acenaphthylene,industrial, cyclopenta(de)naphthalene

Acenaphthylene (CAS 208-96-8) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H8 and a molecular weight of 152.192 g/mol. Key properties include a melting point of 78-82 °C(lit.), a boiling point of 298.9±7.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 137.2±8.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.
208-96-8
Jingsj CID
J-10016-8
Molecular Formula
C12H8
Molecular Weight
152.192 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026
Made to Order

Supplier Offers

1Request a quote
Filter:
SupplierPurity / PackBase PriceUnit PriceOrigin
Made to Order
--CN China

Physicochemical Properties

Melting Point78-82 °C(lit.)
Boiling Point298.9±7.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point137.2±8.9 °C
Exact Mass152.062607
LogP4.26
Vapor Pressure0.0±0.3 mmHg at 25°C
Refractive Index1.732

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Activity & Biological Data

Additional Information[1]. Fabienne Reisen, et al. Reactions of hydroxyl radicals and ozone with acenaphthene and acenaphthylene. Environ Sci Technol. 2002 Oct 15;36(20):4302-11. [2]. Amin Kiani, et al. Monitoring of polycyclic aromatic hydrocarbons and probabilistic health risk assessment in yogurt and butter in Iran. Food Sci Nutr. 2021 Feb 14;9(4):2114-2128.

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 Acenaphthylene?

The CAS number of Acenaphthylene is 208-96-8.

What are the molecular formula and molecular weight of Acenaphthylene?

Acenaphthylene has molecular formula C12H8 and molecular weight 152.192 g/mol.

Which suppliers offer Acenaphthylene?

1 supplier(s) listed; request a quote for pricing.

Is Acenaphthylene hazardous?

Acenaphthylene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of Acenaphthylene?

For Acenaphthylene, Upstream Products: 1-Acenaphthenol, Acenaphthene, 1-Acetoxyacenaphthene; Downstream Products: 1,8-Naphthalic anhydride, Acenaphthene, 9H FLUORENE.

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

Last updated:

How to cite: Jingsj. "Acenaphthylene (CAS 208-96-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10016-8 (accessed 2026-11-06).

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