Nitric Acid

Synonym(s)

: hydrogen nitrate, water fortis, azotic acid

Mol. Formula

: HNO3

EC / List no.

: 231-714-2

CAS no.

: 7697-37-2

Molecular weight

: 63,013

Nitric acid is a nitrogen oxoacid with the formula HNO3, in which the nitrogen atom is bonded to a hydroxy group and the remaining two oxygen atoms by equivalent bonds. It has a role as a protic solvent and a reagent. It is the conjugate acid of a nitrate. It is used in articles, formulation or repackaging, industrial sites and manufacturing.

Application

» This substance is used in the following products: Fertilizers, washing and cleaning products, metal surface treatment products, pH regulators and water treatment products, non-metal surface treatment products and laboratory chemicals.
» This substance is used in the following areas: agriculture, forestry and fisheries, scientific research and development, construction and civil works and municipal supply (e.g. electricity, steam, gas, water) and sewage treatment.
» It is used in the manufacture of food products, electrical, electronic and optical equipment and fabricated metal products.
» They are used in machine wash liquids/detergents, automotive care products, paints and coatings or adhesives, fragrances, air fresheners and reagents.

Product Specifications

Physical and Chemical Properties
» Nitric acid appears as a pale yellow to reddish brown liquid that produces red smoke, red-brown fumes.
» It has a suffocating odor.

Properties

Characteristics	Unit	Value	Condition
Melting point	°C	-41.15
Boiling point	°C	82.85
Density	g/cm3	1.513	20 °C
Solubility	g/ L	500	20 °C, soluble with water
Vapor pressure	hPa	63	19.85 °C
Viscosity	mPa.s	0.617- 2.27
LogP		-0.21
Corrosivity		Corrosive
Surface tension	N/ m	0.04115	20 °C