Description

Zirconium Tetrachloride (ZrCl₄) is a high-purity inorganic compound widely utilized in research, industrial applications, and advanced material synthesis. This white crystalline solid is highly hygroscopic and reacts vigorously with water, making it essential for moisture-sensitive processes. With a CAS number of 10026-11-6 and molecular formula Cl₄Zr, it is available in sublimed or reactor-grade purity (≥99.5–99.99% trace metals basis), ensuring consistency for catalytic, metallurgical, and chemical vapor deposition (CVD) applications. Zirconium tetrachloride serves as a precursor for zirconium dioxide (ZrO₂) production, organic synthesis catalysts, and as a Lewis acid in polymerization reactions. Packaged under inert conditions to preserve stability, it is classified as UN2503 (Corrosive) and requires careful handling.

Properties

• CAS Number: 10026-11-6
• Complexity: 19.1
• IUPAC Name: tetrachlorozirconium
• InChI: InChI=1S/4ClH.Zr/h4*1H;/q;;;;+4/p-4
• InChI Key: DUNKXUFBGCUVQW-UHFFFAOYSA-J
• Exact Mass: 231.777159
• Molecular Formula: Cl4Zr
• Molecular Weight: 233.0
• SMILES: Cl[Zr](Cl)(Cl)Cl
• Monoisotopic Mass: 229.780110
• Physical Description: Zirconium tetrachloride is a white lustrous crystalline solid. Used as a source of pure zirconium, as a tanning agent, in analytical chemistry and in treating textiles. Zirconium tetrachloride is decomposed by water. Corrosive to metals in the presence of moisture and to tissue.
• Color/Form: Lustrous monoclinic crystals
• Boiling Point: Sublimes 627.8 °F
• Melting Point: None, except under pressure, since it sublimes.
• Solubility: Decomposed by water to form ZrOCl2 and HCl
• Density: 2.083 at 59 °F – Denser than water; will sink
• Vapor Pressure: Vapor pressure : 1 Pa at 117 °C; 10 Pa at 146 °C; 100 Pa at 181 °C; 1 kPa at 222 °C; 10 kPa at 272 °C; 100 kPa at 336 °C
• Stability/Shelf Life: Stable under recommended storage conditions.
• Autoignition Temperature: Not flammable
• Synonyms: Zirconium(IV) chloride, ZIRCONIUM TETRACHLORIDE, Zirconium chloride, Tetrachlorozirconium, Zirconium chloride (ZrCl4), Zirconium chloride, tetra-, zirconium(4+) tetrachloride, HSDB 2531, Zirconium(IV) chloride (1:4), EINECS 233-058-2, UN2503, ZIRCONIUM CHLORIDE [MI], DTXSID1044142, CHEBI:77566, UNII-Z88176T871, ZIRCONIUM TETRACHLORIDE [HSDB], (T-4)-ZIRCONIUM CHLORIDE (ZRCL4), EC 233-058-2, ZIRCONIUM TETRACHLORIDE, (SOLID), ZIRCONIUM TETRACHLORIDE, [SOLID], Zirconium chloride, tetra, Zirconium chloride, (T4), DTXCID9024142, ZIRCONIUM CHLORIDE (ZR2CL8), 10026-11-6, 11126-30-0, zirconium (iv) chloride, zirconium chloride (zrcl4), (t-4)-, ZrCl4, MFCD00011306, Z88176T871, Zirconium chloride, (T-4)-, SCHEMBL37301, Zirconium(IV) chloride, Reactor Grade, Zirconium(IV) chloride, sublimed grade, Zirconium tetrachloride [UN2503] [Corrosive], Q205630, Zirconium(IV) chloride, >=99.5% trace metals basis, Zirconium(IV) chloride, >=99.9% trace metals basis, Zirconium(IV) chloride, anhydrous, powder, 99.99% trace metals basis

Zirconium tetrachloride is a key precursor in the production of zirconium-based ceramics and alloys via CVD. It acts as a catalyst in Friedel-Crafts alkylation and polymerization reactions. In metallurgy, it is used for refining magnesium and aluminum alloys. Additionally, it serves as a starting material for water-repellent coatings and advanced optical materials. Its hygroscopic nature necessitates anhydrous conditions during use.

Safety and Hazards

GHS Hazard Statements

• H290: May be corrosive to metals [Warning Corrosive to Metals]
• H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
• H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]

Precautionary Statements

• P234, P260, P264, P264+P265, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P363, P390, P405, P406, and P501

Hazard Classes and Categories

• Met. Corr. 1 (60.8%)
• Acute Tox. 4 (43.2%)
• Acute Tox. 4 (31.1%)
• Skin Corr. 1B (100%)
• Skin Sens. 1 (29.7%)
• Acute Tox. 4 (31.1%)
• Resp. Sens. 1 (29.7%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.