HFO-1336mzz Single-Phase Server Cooling Fluid
HFO-1336mzz single-phase server cooling fluid is (Z)-1,1,1,4,4,4-hexafluoro-2-butene for immersion cooling of high-performance computing servers. The product is the named compound of tariff item 2903.51.00. It is supplied in 55-gallon drums for data center deployment.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
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Import Tips & Compliance
• Ensure the product is pure (Z)-HFO-1336mzz without additives
• Verify the 55-gallon drums meet Canadian transport safety standards
• Provide the chemical name and CAS number in the import declaration
Related Products under Tariff item 2903.51.00
HFO-1234yf Automotive Refrigerant Charge
HFO-1234yf automotive refrigerant charge cylinders contain pure 2,3,3,3-tetrafluoropropene, a low-GWP unsaturated fluorinated acyclic hydrocarbon. This compound is specifically named in tariff item 2903.51.00, which covers HFO-1234yf, HFO-1234ze, and HFO-1336mzz. The pre-charged cylinders are designed for automotive A/C service and retrofitting, meeting the product description of the tariff item.
HFO-1234yf Chiller Retrofit Refrigerant
HFO-1234yf chiller retrofit refrigerant is pure 2,3,3,3-tetrafluoropropene supplied in 100lb dewars for commercial building chillers. This compound is explicitly listed in tariff item 2903.51.00 as HFO-1234yf. The product is intended as a drop-in replacement for R-134a in centrifugal chillers, but its chemical identity remains the named fluorinated hydrocarbon.
HFO-1234yf Electronic Grade Refrigerant
HFO-1234yf electronic grade refrigerant is ultra-high purity (>99.99%) 2,3,3,3-tetrafluoropropene for precision cooling in semiconductor manufacturing. The product is the pure named compound of tariff item 2903.51.00, despite its specialized application. The high purity does not affect classification as it remains the same chemical compound.
HFO-1234yf Mobile A/C Retrofit Kit Refrigerant
HFO-1234yf mobile A/C retrofit kit refrigerant consists of pure 2,3,3,3-tetrafluoropropene in 4oz service cans for fleet vehicle retrofitting. The product is the named compound of tariff item 2903.51.00. Although included in a retrofit kit, the refrigerant itself is the pure chemical and is classifiable under this item.
HFO-1234yf Refrigerant Gas
HFO-1234yf refrigerant gas is pure 2,3,3,3-tetrafluoropropene, a low-GWP unsaturated fluorinated derivative of acyclic hydrocarbons. This compound is explicitly named in tariff item 2903.51.00. The product is used in automotive air conditioning systems and is supplied as a gas in various container sizes.
HFO-1234yf Transport Refrigeration Refrigerant
HFO-1234yf transport refrigeration refrigerant is pure 2,3,3,3-tetrafluoropropene for refrigerated trucks and containers, replacing R-404A. The product is the named compound of tariff item 2903.51.00. Despite its application in transport refrigeration, the chemical identity determines classification.