2,2,4,4-Tetramethyl-3-pentanone oxime

Also known as: 2,2,4,4-Tetramethyl-pentan-3-on-oxim, 2,2,4,4-tetramethyl-pentan-3-one oxime, 2,2,4,4-tetramethylpentanone oxime, Di-(tert-butyl) ketoxime, Di-t-butyl ketone oxime, MFCD00192490, N-(2,2,4,4-tetramethylpentan-3-ylidene)hydroxylamine, N-Hydroxy-2,2,4,4-tetramethyl-3-pentanimine

2,2,4,4-Tetramethyl-3-pentanone oxime (CAS 7754-22-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H19NO and a molecular weight of 157.25300 g/mol. Key properties include a melting point of 160ºC (subl.)(lit.), a boiling point of 222.1ºC at 760 mmHg, a density of 0.85g/cm3 and a flash point of 120.5ºC. 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.: 7754-22-5
Jingsj CID: J-1990398-1
Molecular Formula: C₉H₁₉NO
Molecular Weight: 157.25300 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	160ºC (subl.)(lit.)
Boiling Point	222.1ºC at 760 mmHg
Density	0.85g/cm3
Flash Point	120.5ºC
Exact Mass	157.14700
PSA	32.59000
LogP	2.90880
Refractive Index	1.431

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 2,2,4,4-Tetramethyl-3-pentanone oxime?

The CAS number of 2,2,4,4-Tetramethyl-3-pentanone oxime is 7754-22-5.

What are the molecular formula and molecular weight of 2,2,4,4-Tetramethyl-3-pentanone oxime?

2,2,4,4-Tetramethyl-3-pentanone oxime has molecular formula C9H19NO and molecular weight 157.25300 g/mol.

Is 2,2,4,4-Tetramethyl-3-pentanone oxime hazardous?

2,2,4,4-Tetramethyl-3-pentanone oxime 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 2,2,4,4-Tetramethyl-3-pentanone oxime?

For 2,2,4,4-Tetramethyl-3-pentanone oxime, Upstream Products: 2,2,4,4-Tetramethyl-3-pentanone, 2,2,4,4-Tetramethyl-3-pentanone imine, Trimethylacetonitrile; Downstream Products: 2,2,4,4-Tetramethyl-3-pentanone imine.

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. "2,2,4,4-Tetramethyl-3-pentanone oxime (CAS 7754-22-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990398-1 (accessed 2026-11-09).

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