Skip to main content
Jingsj
.mol.sdf

Triacetylmethane

Also known as: 3-Acetyl-2,4-pentanedione, 2,4-Pentanedione, 3-acetyl-, 3-Acetylpentane-2,4-dione, 3-(1-Hydroxyethylidene)-2,4-pentanedione, Diacetylacetone, Methine triacetate, NSC 52979

Triacetylmethane (CAS 815-68-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H10O3 and a molecular weight of 142.15200 g/mol. Key properties include a boiling point of 203.5ºC(lit.), a density of 1.066 g/mL at 25ºC(lit.) and a flash point of 87.8 °C. It is classified under GHS with signal word Warning and hazard statements H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
815-68-9
Jingsj CID
J-971-2
Molecular Formula
C7H10O3
Molecular Weight
142.15200 g/mol
Category
Aliphatic Hydrocarbons
Last updated
11/2/2026
Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point203.5ºC(lit.)
Density1.066 g/mL at 25ºC(lit.)
Flash Point87.8 °C
Exact Mass142.06300
PSA51.21000
LogP0.36960
Refractive Indexn20/D 1.487(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H319 — Causes serious eye irritation

Frequently Asked Questions

What is the CAS number of Triacetylmethane?

The CAS number of Triacetylmethane is 815-68-9.

What are the molecular formula and molecular weight of Triacetylmethane?

Triacetylmethane has molecular formula C7H10O3 and molecular weight 142.15200 g/mol.

Is Triacetylmethane hazardous?

Triacetylmethane has GHS signal word Warning and hazard statements H319 — Causes serious eye irritation.

What are the upstream and downstream products of Triacetylmethane?

For Triacetylmethane, Upstream Products: Acetyl chloride, 2,4-Pentanedione, Isopropenyl acetate; Downstream Products: 1-(3,5-Dimethyl-1H-pyrazol-4-yl)ethanone, Acethydrazide, 2,4-Pentanedione.

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

Last updated:

How to cite: Jingsj. "Triacetylmethane (CAS 815-68-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-971-2 (accessed 2026-11-09).

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