Oxalic Acid

Synonym(s)

: Etandioik asit, aktisal, aquisal

Mol. Formula

: C2H2O4

EC / List no.

: 205-634-3

CAS no.

: 144-62-7

Molecular weight

: 90,03

Oxalic acid is an alpha, omega-dicarboxylic acid, which is ethane substituted with carboxyl groups at positions 1 and 2. It has a role as a human metabolite, a plant metabolite, and an algal metabolite. It is the conjugate acid of oxalate (1-) and oxalate.

Application

» This substance is used in the following products: non-metal surface treatment products, metal surface treatment products, washing and cleaning products, coating products, metalworking fluids, polishes and waxes, laboratory chemicals, pH regulators and water treatment products.
» It is used in construction and construction works, in the manufacture of furniture, wood and wood products, pulp, paper and paper products and chemicals.
» Used in machine wash liquids/detergents, automotive care products, paints and coatings or adhesives, fragrances and air fresheners.

Product Specifications

Physical and Chemical Properties
» Oxalic acid is a white solid.
» Odorless.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	160
Density	g/cm3	0.813	20 °C
Solubility	g/ L	100	25 °C, soluble with water
Vapor pressure	Pa	0.031	25 °C
LogP		-1.7	23 °C
Surface tension	mN/m	15111	20 °C
Autoignition temperature	°C	400
pKa		1.46	20 °C