Synthetic Cadmium Sulfide Crystals

Synthetic single-crystal cadmium sulfide grown for optical research and thin-film deposition in photovoltaics. Pure compound form qualifies for HTS 2830.90.20.00 as other cadmium sulfide. Size typically 1-10mm for lab use.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
šŸ‡ØšŸ‡³China3.1%+35.0%38.1%
šŸ‡²šŸ‡½Mexico3.1%+10.0%13.1%
šŸ‡ØšŸ‡¦Canada3.1%+10.0%13.1%
šŸ‡©šŸ‡ŖGermany3.1%+10.0%13.1%
šŸ‡ÆšŸ‡µJapan3.1%+10.0%13.1%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

9001.90.40.00Lower: 35% vs 38.1%

If fabricated into optical elements like prisms

Optical elements of inorganic compounds excluded to Chapter 90.

7104Lower: 16.4% vs 38.1%

If synthetic crystal >2.5g resembling precious stones

Large synthetic crystals may fall under synthetic precious stones.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

• Declare crystal structure and growth method in commercial invoice for verification

• Lab/research imports may qualify for duty relief under HTS subheading 9810.00

• Avoid optical element packaging to prevent Chapter 90 classification

Related Products under HTS 2830.90.20.00

Cadmium Sulfide Powder

High-purity cadmium sulfide (CdS) powder used primarily as a pigment in paints, coatings, and plastics for its bright yellow color. It falls under HTS 2830.90.20.00 as a chemically defined inorganic sulfide of cadmium. This form is suitable for industrial mixing and application.

Cadmium Sulfide Pigment Grade

Cadmium sulfide in pigment-grade form, offering excellent lightfastness and opacity for high-end artists' oil paints and automotive coatings. Classified under HTS 2830.90.20.00 as other cadmium sulfide, distinct from formulated pigments. Used where vibrant, durable yellow hue is required.

High-Purity Cadmium Sulfide for Semiconductors

Ultra-high purity (6N) cadmium sulfide crystals or powder for manufacturing II-VI compound semiconductors like CdS photodetectors. Falls under HTS 2830.90.20.00 as chemically defined cadmium sulfide. Not doped or wafer-formed, qualifying for Chapter 28.

Cadmium Sulfide Luminescent Grade

Specially prepared cadmium sulfide activated for phosphorescence in glow-in-the-dark paints and safety markings. Classified as cadmium sulfide under HTS 2830.90.20.00 since not final luminophore product. Provides yellow-green afterglow effect.

Cadmium Sulfide for Glass Coloring

Cadmium sulfide specifically for producing stable yellow colors in glass tableware and decorative bottles. Chemically defined powder under HTS 2830.90.20.00, added during glass melting. Heat-stable up to glass frit temperatures.

Nano Cadmium Sulfide Particles

Cadmium sulfide nanoparticles (10-50nm) for quantum dot applications in displays and biomedical imaging. Still classified as chemically defined CdS under HTS 2830.90.20.00 when >99% pure. Surface-capped but primary compound identity maintained.