Product name: propanedioic acid

[Oxalic acid or malonic acid is heated to decarboxylate to generate monocarboxylic acid] Oxalic acid or malonic acid is heated to decarboxylate to generate monocarboxylic acid

Product name 2: carboxyacetic acid

Alias: Propanedioic acid; Methane dicardonic acid; Methanadicarboxylic acid; Carboxyacetic acid

CAS No.: 141-82-2

EINECS No. 205-503-0 

Molecular formula: C₃H₄O₄

Molecular structure: carboxyl C atom is bonded by sp2 hybrid orbital, methylene C atom is bonded by sp3 hybrid orbital.

Molecular weight: 104.06

Main ingredients: Content: ≥99.%.

Appearance and Property: Colorless crystals.

Melting point: 135.6 ℃

Boiling point: 386.8°C at 760 mmHg

Flash point: 201.9°C

Vapor pressure: 4.66E-07mmHg at 25°C

Relative density (water=1): 1.63

Solubility: soluble in water, soluble in ethanol and ether. Soluble in acetone.