CAS 1314-13-2 · K-REACH · Republic of Korea

Zinc oxide (ZnO) under K-REACH

ZnO · 氧化锌

Status: Registered. Zinc oxide is registered under K-REACH and listed as a Priority Existing Chemical (PEC). Korean GHS classification matches REACH (Aquatic Acute 1 + Aquatic Chronic 1). NOT on Korea TCCA Toxic Chemicals list. NOT on Korean Drug Management Act precursor list. NO active Korean AD/CVD case on Chinese-origin zinc oxide. **Korean Drug Affairs Act monograph permits zinc oxide as sunscreen active ingredient**. Korea has limited domestic zinc-oxide production (Korea Zinc smelter Onsan refinery legacy zinc-oxide capacity); structurally net-importer for limited downstream rubber + cosmetic sunscreen industries. KCFTA preferential zero-duty applies for Chinese-origin imports.

K-REACH treats zinc oxide as a routine PEC-registered substance with no TCCA overlay. Korea has limited domestic zinc-oxide production; structurally net-importer. NO active Korean AD/CVD case. **Zinc oxide distinguishing pattern across all 5 regimes**: rubber vulcanisation activator primary downstream chain (~50 percent of demand) + ceramics + glass + cement additives (~15 percent) + pharmaceutical + cosmetic + sunscreen UV-blocker (~10 percent) + paints + coatings (~10 percent) + zinc-fertiliser agriculture (~5 percent) + French process (~80 percent globally) + American process (~15 percent) + wet process (~5 percent) + Aquatic Chronic 1 only + EU Cosmetic Products Regulation 1223/2009 Annex VI permitted UV-filter substance + FDA 21 CFR 347 Category I sunscreen active + Australian TGA + Korean Drug Affairs Act sunscreen monograph + 9% China VAT export rebate.

Listing and threshold

Substance Zinc oxide (ZnO) (CAS 1314-13-2), ZnO
Regime Korea Act on the Registration and Evaluation of Chemicals (Act No. 11789, "K-REACH" amended 2018)
Jurisdiction Republic of Korea
Status Registered
Tonnage threshold K-REACH registration required for existing chemicals manufactured or imported >1 tonne/year (verified per Korean Ministry of Environment / NIER guidance, https://chemical.chemlinked.com/chempedia/k-reach; threshold for new substances was reduced from 0.1 t/y to 1 t/y effective 1 January 2025 per K-REACH 2025 amendment)

Classifications under this regime

  • Korean GHS classification: Aquatic Acute 1 (H400), Aquatic Chronic 1 (H410)
  • Signal word: WARNING. GHS pictograms: GHS09
  • KOSHA workplace exposure standard: 5 mg/m^3 fume + 10 mg/m^3 dust
  • NOT on Korea TCCA Toxic Chemicals list
  • NOT on Korean Drug Management Act precursor list
  • Korean Customs Service (KCS) HS code: 281700
  • IARC: Group 3
  • Korean Drug Affairs Act monograph: zinc oxide permitted as sunscreen active ingredient

Restrictions and conditions of use

  • No TCCA Toxic Chemicals Handling Permit required
  • KOSHA MSDS in Korean required at workplace
  • NO active Korean AD/CVD case on Chinese zinc oxide currently
  • KCFTA preferential zero-duty applies (HS 281700)
  • Korean Drug Affairs Act monograph for sunscreen-active applications

Importer obligations

Korean importer of record must hold K-REACH registration. Korea has limited domestic zinc-oxide production (Korea Zinc Onsan refinery legacy capacity); structurally net-importer.

Required documents

  • K-REACH registration number on Korean side
  • Korean MSDS reflecting H400 / H410
  • KCS declaration with HS 281700
  • China-Korea FTA Form CO
  • Korean Drug Affairs Act monograph compliance for sunscreen-active applications

Common compliance traps

The pitfalls that have bitten importers on this lane in the past. None of these is theoretical.

  • Korea has limited domestic zinc-oxide production (Korea Zinc Onsan refinery legacy)
  • KCFTA preferential zero-duty applies
  • NO active Korean AD/CVD case
  • NOT on TCCA Toxic Chemicals list
  • Korean Drug Affairs Act monograph for sunscreen-active applications

Where to read next

For substance-level identifiers (formula, molecular weight, SMILES, InChIKey), GHS hazard profile, IMDG transport class, and full sourcing reference for zinc oxide (zno), see the CAS 1314-13-2 sourcing reference.

For grade-by-grade buying notes, freight maths, supplier-tier pricing, and a worked landed-cost example, the zinc oxide (zno) cornerstone hub covers the full sourcing chain.

For the structure and history of K-REACH, see the K-REACH glossary entry.

Need cross-jurisdiction compliance support on this substance? Run it through the REACH / TSCA / IECSC / AICIS / K-REACH checker, or send us the substance and the destination and we will quote FOB China and CIF / DDP landed including the regulatory work on the destination side.

Free download

Free PDF: the same MSDS verification template the Sourzi team uses to cross-reference factory documents against TSCA, REACH, AICIS, and CDR before booking.