Michler's ketone

Also known as: 4,4'-Bis(dimethylamino)benzophenone, Bis(p-dimethylaminophenyl)ketone, Bis[4-(dimethylamino)phenyl]methanone, N,N,N',N'-Tetramethyl-4,4'-diaminobenzophenone, Tetramethyl-p,p'-diaminobenzophenone, Michler ketone

Michler's ketone (CAS 90-94-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C17H20N2O and a molecular weight of 268.353 g/mol. Key properties include a melting point of 174 -176 °C(lit.), a boiling point of 427.7±30.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 183.9±16.9 °C. It is classified under GHS with signal word Danger and hazard statements H318 — Causes serious eye damage, H341 — Suspected of causing genetic defects and H350 — May cause cancer. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 90-94-8
Jingsj CID: J-38268-7
Molecular Formula: C₁₇H₂₀N₂O
Molecular Weight: 268.353 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	174 -176 °C(lit.)
Boiling Point	427.7±30.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	183.9±16.9 °C
Exact Mass	268.157562
PSA	23.55000
LogP	3.87
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.612
Additional Property	400 mg/L (20 ºC)

GHS Safety & Compliance

Corrosion / Health HazardSignal word: Danger

H318 — Causes serious eye damage
H341 — Suspected of causing genetic defects
H350 — May cause cancer

Customs & Trade Information

HS Code	2922399090
Summary	2922399090 other amino-aldehydes, amino-ketones and amino-quinones, other than those containing more than one kind of oxygen function; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Michler's ketone?

The CAS number of Michler's ketone is 90-94-8.

What are the molecular formula and molecular weight of Michler's ketone?

Michler's ketone has molecular formula C17H20N2O and molecular weight 268.353 g/mol.

Is Michler's ketone hazardous?

Michler's ketone has GHS signal word Danger and hazard statements H318 — Causes serious eye damage; H341 — Suspected of causing genetic defects; H350 — May cause cancer.

What are the upstream and downstream products of Michler's ketone?

For Michler's ketone, Upstream Products: 4,4'-Bis(dimethylamino)benzhydrol, 4,4'-Methylenebis(N,N-dimethylaniline), 4,4'-Bis(dimethylamino)thiobenzophenone; Downstream Products: 4,4'-Diaminobenzophenone, 4,4'-Bis(methylamino)benzophenone, acetic acid.

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. "Michler's ketone (CAS 90-94-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38268-7 (accessed 2026-11-06).

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