2-Ethylanthraquinone

Also known as: 2-Ethyl-9,10-anthraquinone, 2-Ethyl-9,10-anthracenedione, 2-Ethylanthra-9,10-quinone, 2-ethylanthracene-9,10-dione, 9,10-Anthracenedione, 2-ethyl-, Ethylanthraquinone, MFCD00001237, EINECS 201-535-4

2-Ethylanthraquinone (CAS 84-51-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H12O2 and a molecular weight of 236.265 g/mol. Key properties include a melting point of 108-111 °C(lit.), a boiling point of 415.4±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 155.4±22.9 °C. It is classified under GHS with signal word Warning and hazard statements H373 — May cause 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.: 84-51-5
Jingsj CID: J-36039-4
Molecular Formula: C₁₆H₁₂O₂
Molecular Weight: 236.265 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	108-111 °C(lit.)
Boiling Point	415.4±35.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	155.4±22.9 °C
Exact Mass	236.083725
PSA	34.14000
LogP	4.38
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.629
Stability	Stable. Combustible. Incompatible with strong oxidizing agents.

GHS Safety & Compliance

Health Hazard / Environmental HazardSignal word: Warning

H373 — May cause damage to organs through prolonged exposure
H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code	2914690090
Summary	2914690090 other quinones。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Ethylanthraquinone?

The CAS number of 2-Ethylanthraquinone is 84-51-5.

What are the molecular formula and molecular weight of 2-Ethylanthraquinone?

2-Ethylanthraquinone has molecular formula C16H12O2 and molecular weight 236.265 g/mol.

Is 2-Ethylanthraquinone hazardous?

2-Ethylanthraquinone has GHS signal word Warning and hazard statements H373 — May cause damage to organs through prolonged exposure; H410 — Very toxic to aquatic life with long lasting effects.

What are the upstream and downstream products of 2-Ethylanthraquinone?

For 2-Ethylanthraquinone, Upstream Products: 2-Ethyl-9,10-dimethoxyanthracene, Phthalic anhydride, 2-Ethylanthracene; Downstream Products: Anthraquinone, Anthraquinone-2-carboxylic acid, 2-Ethyl-5,6,7,8-tetrahydro-9,10-anthraquinone.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Ethylanthraquinone (CAS 84-51-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-36039-4 (accessed 2026-11-09).

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