Name: Chromium Trioxide
CAS: 1333-82-0
EC Number: 215-607-8
Chemical Formular: CrO3
Appearance: Dark red granular solid
Molecular Weight: 99.994 g/mol
Melting Point: 197 °C (387 °F; 470 K)
Boiling Point: 250 °C (482 °F; 523 K)
Density: 2.7 g/cm3 (20 °C)
Solubility in water: 169 g/100 mL
Exact Mass: 99.925249 g/mol
Monoisotopic Mass: 99.925249 g/mol
Topological Polar Surface Area: 51.2 A^2
Complexity: 61.8

Chromium Trioxide
99% Chromium Trioxide
99.5% Chromium Trioxide
99.9% Chromium Trioxide
99.95% Chromium Trioxide
99.99% Chromium Trioxide
99.999% Chromium Trioxide

Chromium Trioxide,customized specifications

Chemical Formular:CrO3
PubChem CID:14915
IUPAC Name:trioxochromium
Canonical SMILES:O=[Cr](=O)=O
Pictogram(s):Globally Harmonized System of ClassificationGlobally Harmonized System of ClassificationGlobally Harmonized System of ClassificationGlobally Harmonized System of ClassificationGlobally Harmonized System of Classification
GHS Hazard Statements:H271-H301-H311-H314-H317-H330-H334-H340-H350-H361f-H372-H410
Hazard Codes:O,T+,N
Risk Codes:R45-46-9-24/25-26-35-42/43-48/23-50/53-62
Precautionary Statement Codes:P201-P260-P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338
Flash Point:n/a

Chromium(VI) Oxide
Monochromium trioxide
Chromium(6+) oxide

Chromium anhydride
chromic trioxide

ChromiumChromium is a chemical element with the symbol Cr and atomic number 24. It is the first element in group 6.
It is a steely-grey, lustrous, hard and brittle transition metal.
Chromium is also the main additive in stainless steel, to which it adds anti-corrosive properties.
Chromium is also highly valued as a metal that is able to be highly polished while resisting tarnishing. Polished chromium reflects almost 70% of the visible spectrum, with almost 90% of infrared light being reflected.
The name of the element is derived from the Greek word χρῶμα, chrōma, meaning color, because many chromium compounds are intensely colored.
Chromium is a naturally occurring element found in rocks, animals, plants, soil, and in volcanic dust and gases. Chromium is present in the environment in several different forms. The most common forms are chromium(0), chromium(III), and chromium(VI).
No taste or odor is associated with chromium compounds. Chromium(III) occurs naturally in the environment and is an essential nutrient.
Chromium(VI) and chromium(0) are generally produced by industrial processes.
The metal chromium, which is the chromium(0) form, is used for making steel. Chromium(VI) and chromium(III) are used for chrome plating, dyes and pigments, leather tanning, and wood preserving.

OxygenOxygen is the chemical element with the symbol O and atomic number 8, meaning its nucleus has 8 protons.
Oxygen is a member of the chalcogen group on the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds.
Dioxygen is used in cellular respiration and many major classes of organic molecules in living organisms contain oxygen, such as proteins, nucleic acids, carbohydrates, and fats, as do the major constituent inorganic compounds of animal shells, teeth, and bone.
Oxygen was isolated by Michael Sendivogius before 1604, but it is commonly believed that the element was discovered independently by Carl Wilhelm Scheele, in Uppsala, in 1773 or earlier, and Joseph Priestley in Wiltshire, in 1774.

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