Skip to main content

Diethyl 2-phthalimidomalonate

Also known as: Diethyl phthalimidomalonate, Phthalimidomalonic acid diethyl ester, Ethyl phthalimidomalonate, Diethyl 2-(1,3-dioxoisoindolin-2-yl)malonate, Propanedioic acid, (1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-, diethyl ester, 2-Isoindolinemalonic acid, 1,3-dioxo-, diethyl ester, NSC 12023, Diethyl 2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)malonate, Phthalimido-malonic acid diethyl ester, MFCD00065025, EINECS 227-138-6

Diethyl 2-phthalimidomalonate (CAS 5680-61-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H15NO6 and a molecular weight of 305.283 g/mol. Key properties include a melting point of 73-76 °C(lit.), a boiling point of 425.3±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 211.0±25.9 °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.
5680-61-5
Jingsj CID
J-45957-4
Molecular Formula
C15H15NO6
Molecular Weight
305.283 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point73-76 °C(lit.)
Boiling Point425.3±35.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point211.0±25.9 °C
Exact Mass305.089935
PSA89.98000
LogP3.21
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.560

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 Diethyl 2-phthalimidomalonate?

The CAS number of Diethyl 2-phthalimidomalonate is 5680-61-5.

What are the molecular formula and molecular weight of Diethyl 2-phthalimidomalonate?

Diethyl 2-phthalimidomalonate has molecular formula C15H15NO6 and molecular weight 305.283 g/mol.

Is Diethyl 2-phthalimidomalonate hazardous?

Diethyl 2-phthalimidomalonate 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 Diethyl 2-phthalimidomalonate?

For Diethyl 2-phthalimidomalonate, Upstream Products: Potassium phthalimide, Diethyl bromomalonate, Diethyl malonate; Downstream Products: DL-2-Aminoadipic acid, N-Phthaloylglycine, DL-2-Aminopimelic Acid.

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

Last updated:

How to cite: Jingsj. "Diethyl 2-phthalimidomalonate (CAS 5680-61-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45957-4 (accessed 2026-11-09).

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