Tungsten Hexachloride
Tungsten hexachloride (WCl6) is a chemically defined inorganic compound of tungsten, used as a precursor in chemical vapor deposition for thin film coatings. It falls under HTS 2827.39.40.00 as a chloride of tungsten. This yellow crystalline solid is highly reactive with moisture.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If radioactive or contains transuranic elements
Mixtures with radioactive isotopes fall under heading 2844 for radioactive chemical elements
If mixed with organic solvents for retail sale
Solutions or mixtures not purely chemically defined may classify as chemical preparations in 3824
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Import Tips & Compliance
• Verify purity certificate to confirm it's chemically defined per Chapter 28 Note 1; handle as hazardous material with proper UN shipping docs; ensure REACH compliance for EU transshipment
Related Products under HTS 2827.39.40.00
Tungsten Pentachloride
Tungsten pentachloride (WCl5) is a dark-green crystalline compound employed as a catalyst in olefin polymerization and chlorination reactions. Classified under HTS 2827.39.40.00 as other chlorides of tungsten. It hydrolyzes readily in air forming oxychlorides.
Tungsten Oxychloride WCl4O
Tungsten oxychloride (WCl4O) is a volatile compound used in vapor phase deposition of tungsten oxide films for optical coatings. It qualifies as a chloride oxide of tungsten under HTS 2827.39.40.00. The compound features a distinctive yellow color and high reactivity.
Tungsten Chloride Anhydride
High-purity tungsten chloride anhydride serves as a reagent for synthesizing organotungsten compounds in pharmaceutical intermediates. HTS 2827.39.40.00 covers this pure chloride of tungsten. It appears as a dark crystalline powder.
Tungsten(IV) Chloride Powder
Tungsten(IV) chloride powder (WCl4) is utilized in microelectronics for depositing tungsten silicide layers via CVD. This chemically pure compound falls under HTS 2827.39.40.00 as tungsten chlorides. It requires moisture-free handling.
Tungsten Trichloride Crystals
Tungsten trichloride (WCl3) crystals act as reducing agents in organometallic synthesis and nanoparticle production. Classified in HTS 2827.39.40.00 for other tungsten chlorides. The compound displays metallic luster.
Mercuric Tungsten Chloride
Mercuric tungsten chloride serves as a reference standard in analytical chemistry for XRF calibration. As a chemically defined mixed metal chloride, it falls under HTS 2827.39.40.00 for tungsten chlorides. Supplied in sealed ampoules.