Phthalic-3,4,5,6-d4 acid

邻苯二甲酸-3,4,5,6-d4

Also known as: Phthalic Acid-d4, 1,2-Benzene-3,4,5,6-d4-dicarboxylic acid, 3,4,5,6-Tetradeuteriophthalic acid, Phthalic acid (ring-d4), Phthalic-d4 acid, PHTHALIC-3,4,5,6-D4 ACID, Phthalic acid-phenyl-d4, M 2-d4, Sunftal 20-d4, MFCD00084172, o-Carboxybenzoic Acid-d4, o-Dicarboxybenzene-d4

Phthalic-3,4,5,6-d4 acid (CAS 87976-26-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H2D4O4 and a molecular weight of 170.15500 g/mol. It is also known as Phthalic Acid-d4, 1,2-Benzene-3,4,5,6-d4-dicarboxylic acid and 3,4,5,6-Tetradeuteriophthalic acid. Key properties include a melting point of 210-211ºC(lit.), a boiling point of 378.3ºC at 760 mmHg, a density of 1.486g/cm3 and a flash point of 196.7ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
87976-26-9
Jingsj CID
J-7956-7
Molecular Formula
C8H2D4O4
Chinese Name
邻苯二甲酸-3,4,5,6-d4
Molecular Weight
170.15500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point210-211ºC(lit.)
Boiling Point378.3ºC at 760 mmHg
Density1.486g/cm3
Flash Point196.7ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Phthalic-3,4,5,6-d4 acid?

The CAS number of Phthalic-3,4,5,6-d4 acid is 87976-26-9.

What are the molecular formula and molecular weight of Phthalic-3,4,5,6-d4 acid?

Phthalic-3,4,5,6-d4 acid has molecular formula C8H2D4O4 and molecular weight 170.15500 g/mol.

Is Phthalic-3,4,5,6-d4 acid hazardous?

Phthalic-3,4,5,6-d4 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. "Phthalic-3,4,5,6-d4 acid (CAS 87976-26-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7956-7 (accessed 2026-10-23).

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