2-(4-Methyl-1-oxophthalazin-2(1H)-yl)acetic acid

2-(4-甲基-1-氧代-1,2-二氢酞嗪-2-基)乙酸

Also known as: (4-methyl-1-oxophthalazin-2(1H)-yl)acetic acid, 2-(4-methyl-1-oxo-1,2-dihydrophthalazin-2-yl)acetic acid, 2(1H)-Phthalazineacetic acid, 4-methyl-1-oxo-, 4-methyl-1-oxo-1,2-dihydrophthalazin-2-ylacetic acid

2-(4-Methyl-1-oxophthalazin-2(1H)-yl)acetic acid (CAS 68775-82-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H10N2O3 and a molecular weight of 218.20900 g/mol. It is also known as (4-methyl-1-oxophthalazin-2(1H)-yl)acetic acid, 2-(4-methyl-1-oxo-1,2-dihydrophthalazin-2-yl)acetic acid and 2(1H)-Phthalazineacetic acid, 4-methyl-1-oxo-. Key properties include a boiling point of 440.1ºC at 760 mmHg, a density of 1.37g/cm3 and a flash point of 219.9ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
68775-82-6
Jingsj CID
J-1117858-1
Molecular Formula
C11H10N2O3
Chinese Name
2-(4-甲基-1-氧代-1,2-二氢酞嗪-2-基)乙酸
Molecular Weight
218.20900 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point440.1ºC at 760 mmHg
Density1.37g/cm3
Flash Point219.9ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-(4-Methyl-1-oxophthalazin-2(1H)-yl)acetic acid?

The CAS number of 2-(4-Methyl-1-oxophthalazin-2(1H)-yl)acetic acid is 68775-82-6.

What are the molecular formula and molecular weight of 2-(4-Methyl-1-oxophthalazin-2(1H)-yl)acetic acid?

2-(4-Methyl-1-oxophthalazin-2(1H)-yl)acetic acid has molecular formula C11H10N2O3 and molecular weight 218.20900 g/mol.

Is 2-(4-Methyl-1-oxophthalazin-2(1H)-yl)acetic acid hazardous?

2-(4-Methyl-1-oxophthalazin-2(1H)-yl)acetic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2-(4-Methyl-1-oxophthalazin-2(1H)-yl)acetic acid (CAS 68775-82-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1117858-1 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.