Reported in EPA TSCA Inventory.

OSHA PEL: TWA 5 mg(Mo)/m³
ACGIH TLV: TWA Soluble Compounds: TWA 0.5 mg(Mo)/m³ Confirmed Animal Carcinogen with Unknown Relevance to Humans

The Molybdenum trioxide, with the CAS registry number 1313-27-5, is also known as Molybdenum(VI) oxide. It belongs to the product category of Inorganics. Its EINECS registry number is 215-204-7. This chemical's molecular formula is MoO₃ and molecular weight is 143.94. Its IUPAC name is called trioxomolybdenum. This chemical's classification codes are Human Data; Mutation data; Tumor data.

Physical properties of Molybdenum trioxide: (1)H-Bond Donor: 0; (2)H-Bond Acceptor: 3; (3)Rotatable Bond Count: 0; (4)Exact Mass: 145.890152; (5)MonoIsotopic Mass: 145.890152; (6)Topological Polar Surface Area: 51.2; (7)Heavy Atom Count: 4; (8)Formal Charge: 0; (9)Complexity: 61.8; (10)Covalently-Bonded Unit Count: 1.

Preparation: this chemical can be prepared by ammonium molybdate.

Uses of Molybdenum trioxide: it is used to manufacture molybdenum metal, which serves as an additive to steel and corrosion-resistant alloys. It is also a component of the co-catalyst used in the industrial production of acrylonitrile by the oxidation of propene and ammonia. Because of its layered structure and the ease of the Mo(VI)/Mo(V) couple, MoO₃ is of interest in electrochemical devices and displays.

When you are using this chemical, please be cautious about it as the following:
This chemical may cause damage to health and may cause inflammation to the skin or other mucous membranes. It is harmful by inhalation and if swallowed. In addition, it is irritating to eyes and respiratory system. You should not breathe its gas/fumes/vapour/spray (appropriate wording to be specified by the manufacturer). What's more, you must avoid contacting it with eyes.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: O=[Mo](=O)=O
(2)InChI: InChI=1S/Mo.3O
(3)InChIKey: JKQOBWVOAYFWKG-UHFFFAOYSA-N

The toxicity data is as follows: