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Ozone

Name: Ozone
SKU: 0

Basic Information

CAS No.: 10028-15-6
Molecular Formula: O3
Molecular Weight: 47.9982

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Product Details

Ozone is highly soluble in water. At 20℃, its solubility is approximately 13 times that of oxygen (about 0.35g/L). The aqueous solution is called "ozone water". Its stability is slightly higher than that of gaseous ozone, but it still needs to be stored away from light and at low temperatures (it can be maintained for several hours below 4℃).

Chemical Properties

Property	Value
Melting point	193℃
Boiling point	-110℃
density	1.46 g/cm3
vapor pressure	55kPa at -12℃
solubility	slightly soluble in H2O
form	blue gas
color	Blue or violet-black solid or unstable colorless gas or dark-blue liquid
Odor	Pungent odor, detectable at 0.01 to 0.04 ppm; sharp disagreeable odor at 1 ppm
Odor Threshold	0.0032ppm
Water Solubility	570mg/L at 20℃
Exposure limits	TLV-TWA 0.1 ppm (～0.2 mg/m3) (ACGIH, NIOSH, and MSHA), 0.2 ppm (～0.4 mg/m3) (OSHA); IDHL 10 ppm (NIOSH).
Stability:	Unstable - may decompose spontaneously and violently to oxygen. Mixtures containing a moderate partial pressure of ozone, and pure ozone at even low pressures are both potentially explosive. May react very violently with combustible materials and reducing agents, such as organics. Even small quantities of organic material, such as traces of g
LogP	-0.87 at 20℃
EPA Substance Registry System	Ozone (10028-15-6)

Safety Information

Property	Value
RIDADR	1956
OEL	Ceiling: 0.1 ppm (0.2 mg/m3)
HazardClass	2.2
Hazardous Substances Data	10028-15-6(Hazardous Substances Data)
Toxicity	LC50 inhal (rat)4.8 ppm (4 h)PEL (OSHA)0.1 ppm (0.2 mg/m3)TLV-TWA (ACGIH)0.1 ppm (0.2 mg/m3)STEL (ACGIH)0.3 ppm (0.6 mg/m3)
IDLA	5 ppm

Product Usage

Ozone is a strong oxidizing agent and broad-spectrum biocide, widely used in water treatment and air purification. In drinking water and swimming pool treatment, it effectively kills bacteria, viruses, and algae, while oxidizing and removing metal ions such as iron and manganese, without producing harmful residues. Industrially, ozone is used to remove organic pollutants and decolorize wastewater. In the food industry, it is used to disinfect processing equipment and extend the shelf life of fruits and vegetables. Additionally, ozone is used for air disinfection in medical facilities, odor removal, and wafer surface cleaning in the electronics industry. Its advantages include fast reaction and no persistent chemical residues, but care must be taken due to its strong corrosiveness and respiratory irritancy to humans.

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