Vanadyl Acetylacetonate powder CAS:3153-26-2

The compound corresponding to CAS No. 3153-26-2 is Vanadyl Acetylacetonate, with a molecular formula of C10H14O5V (or VO (C5H7O2) 2), a molecular weight of 265.16 g/mol, and an appearance of green to blue-green crystalline powder.
Vanadyl Acetylacetonate has a melting point of 235–250°C (decomposition), a density of 1.4 g/cm³, is insoluble in water, and is easily soluble in organic solvents such as acetone, ether, and chloroform, and is soluble in ethanol and benzene. It is sensitive to air and may change color when exposed to air. It needs to be sealed and stored in a cool and dry place (≤30°C).

Properties：

1. Chemical structure: The vanadium ion in vanadium acetylacetonate is coordinated with three acetylacetonate ligands through oxygen atoms to form a five-coordinate or six-coordinate chelate.
2. The vanadium (IV) form usually has the structure of VO(acac)₂, in which vanadium is in an oxidation state of +4, forming a complex with a vanadium oxygen double bond.

Uses：

Organic synthesis catalyst:
Vanadyl Acetylacetonate is used in olefin epoxidation, asymmetric oxidation of sulfides and Mannich reaction, which can activate substrates and promote oxidation reactions.
Combined with iodine or other oxidants, it catalyzes aromatic ring iodination and alkylation reactions.
Materials and pharmaceutical intermediates:
As a precursor to prepare vanadium dioxide thin films (for smart window coatings, data storage).
Synthesis of vanadium-containing drug molecules and vanadium complexes with anti-tumor activity.
Metal surface treatment: Improve the corrosion resistance or catalytic performance of metal materials.

Hazards:
H302 (harmful if swallowed), H315 (skin irritation), H319 (severe eye irritation), H335 (respiratory tract irritation).
Long-term contact may cause silver deposition (similar to the risk of silver salts).
Protective measures:
Wear gloves and goggles when operating, operate in a fume hood, avoid inhalation of dust or contact with skin.
Transport information: UN number UN3285, belongs to Class 6.1 toxic substances, packaging level III.

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