1-(Methylamino)anthraquinone

Also known as: Disperse Red 9, Solvent Red 111, C.I. 60505, C.I. Disperse Red 9, C.I. Solvent Red 111, Transparent Red GS, 1-(Methylamino)-9,10-anthraquinone, 1-(Methylamino)anthracene-9,10-dione, 1-Methylamineanthraquinone, MFCD00001197, EINECS 201-417-2

1-(Methylamino)anthraquinone (CAS 82-38-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H11NO2 and a molecular weight of 237.253 g/mol. Key properties include a melting point of 170-172°C, a boiling point of 463.2±34.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 195.3±25.8 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 82-38-2
Jingsj CID: J-1080235-9
Molecular Formula: C₁₅H₁₁NO₂
Molecular Weight: 237.253 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	170-172°C
Boiling Point	463.2±34.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	195.3±25.8 °C
Exact Mass	237.078979
PSA	46.17000
LogP	2.76
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.691

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of 1-(Methylamino)anthraquinone?

The CAS number of 1-(Methylamino)anthraquinone is 82-38-2.

What are the molecular formula and molecular weight of 1-(Methylamino)anthraquinone?

1-(Methylamino)anthraquinone has molecular formula C15H11NO2 and molecular weight 237.253 g/mol.

Is 1-(Methylamino)anthraquinone hazardous?

1-(Methylamino)anthraquinone has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 1-(Methylamino)anthraquinone?

For 1-(Methylamino)anthraquinone, Upstream Products: Tetrabutylammonium bromide, 1-aminoanthraquinone, Dimethyl sulfate; Downstream Products: 1-aminoanthraquinone, 1-bromo-4-(methylamino)anthracene-9,10-dione, 1-amino-4-(methylamino)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. "1-(Methylamino)anthraquinone (CAS 82-38-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1080235-9 (accessed 2026-11-06).

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