📋 Korean Law Insight | Environmental & Chemical Regulation
By Attorney NOH UJIN | HANBYOL LAW LLC, Seoul
Korean Chemical Substances Regulation (K-REACH) for Foreign Manufacturers and Importers
South Korea's chemical substances management framework is one of the strictest in Asia. Foreign companies that manufacture, import, sell, or use chemical substances in Korea must comply with a multi-layered regulatory system modeled partly on the EU's REACH Regulation but with distinct Korean characteristics. Understanding the obligations under the Act on Registration and Evaluation of Chemical Substances (화학물질등록평가법, K-REACH) and the Chemical Substances Control Act (화학물질관리법, CSCA) is essential for avoiding regulatory penalties, import suspensions, and criminal liability.
This article provides a comprehensive guide for foreign manufacturers, importers, and distributors operating in or supplying to the Korean market, covering registration requirements, hazardous substance classification, safety data sheets (SDS/MSDS), and strategic compliance steps.
1. Overview of the Korean Chemical Regulatory Framework
South Korea regulates chemical substances primarily through two major statutes:
- K-REACH (화학물질등록평가법) — Managed by the Ministry of Environment (MOE) and the National Institute of Chemical Safety (NICS/화학물질안전원). Governs registration, evaluation, and hazard assessment of chemical substances.
- CSCA (화학물질관리법) — Addresses handling, storage, transport, and accident prevention for hazardous substances. Requires facility installation permits and accident management plans.
Additionally, the Occupational Safety and Health Act (산업안전보건법, OSHA) and the Toxic Chemicals Control Act (TCCA) layer additional obligations for workplace chemical safety and classification.
2. K-REACH Registration Requirements
K-REACH requires companies to register new and existing chemical substances that are manufactured or imported into Korea at or above specified tonnage thresholds.
2.1 Registration Thresholds
| Annual Tonnage | Registration Deadline/Requirement |
|---|
| ≥ 1 tonne/year (new substances) | Prior to manufacture or import |
| ≥ 1,000 tonnes/year (existing) | Phased registration — high priority |
| 100–999 tonnes/year | Phased schedule (registration required) |
| 10–99 tonnes/year | Phased schedule |
| 1–9 tonnes/year | Simplified registration available |
Substances used exclusively for R&D in small quantities, naturally occurring substances, and substances in certain articles may qualify for exemptions, but companies must apply for exemption confirmations proactively.
2.2 Registration Dossier Contents
A K-REACH registration dossier must include: chemical identity data, physicochemical properties, toxicological data (acute toxicity, carcinogenicity, mutagenicity, reproductive toxicity), ecotoxicological data, and a Chemical Safety Report (CSR) for substances above 10 tonnes/year. Data can be submitted individually or through a Substance Information Exchange Forum (SIEF) — similar to EU REACH's consortium model — to avoid duplicative animal testing.
3. Hazardous Substance Classification (GHS/K-GHS)
Korea adopted the Globally Harmonized System (GHS) for classification and labeling of chemicals, implemented through the Chemicals Control Act and MOE guidelines. Foreign exporters to Korea must ensure their products carry correct Korean GHS labels and Safety Data Sheets (SDS) in the Korean language.
Key Korean-specific requirements:
- SDS must be provided in Korean (한국어) for B2B supply
- Labels must display hazard pictograms, signal words, hazard statements, precautionary statements in Korean
- NICS maintains the Korean Chemical Information System (화학물질정보시스템, KCIS) where SDS must be registered
- Substances classified as toxic, carcinogenic, reproductive hazards, or environmentally hazardous face stricter controls
4. Restrictions and Prohibited Substances
Korea maintains lists of Prohibited Substances (금지물질) and Restricted Substances (허가물질) under K-REACH and CSCA. Import, manufacture, or use of prohibited substances is absolutely barred. Restricted substances require prior authorization from MOE before any use.
As of 2024, Korea's prohibited substances list contains over 70 substances, including certain PCBs, asbestos, benzidine derivatives, and chlorinated naphthalenes. The restricted substances list continues to expand as new scientific evidence emerges.
Foreign companies supplying articles (products) containing restricted substances above the threshold concentration must notify their customers and potentially register those substances.
5. CSCA: Accident-Risk Facilities and Handling Permits
The Chemical Substances Control Act (CSCA) imposes separate obligations on companies that handle "accident-risk substances" (사고대비물질) above threshold quantities at their Korean facilities. Foreign-invested companies operating manufacturing or storage facilities in Korea must:
- Obtain a Chemical Facility Installation Permit (화학물질 취급시설 설치허가)
- Establish an Off-Site Emergency Response Plan (장외영향평가서)
- Conduct regular safety inspections and submit accident reports to NICS
- Register with the local environmental authority
6. Penalties for Non-Compliance
Violations of K-REACH and CSCA carry significant penalties:
| Violation | Penalty |
|---|
| Unregistered chemical manufacture/import | Criminal: up to 5 years imprisonment or KRW 100 million fine |
| Failure to provide SDS | Administrative fine up to KRW 5 million |
| Unauthorized use of restricted substance | Criminal: up to 3 years or KRW 50 million fine |
| Operating facility without permit (CSCA) | Criminal: up to 7 years or KRW 100 million fine |
| Failure to report accident | Administrative fine up to KRW 3 million; aggravated where harm results |
Under the dual liability (양벌규정) principle, both the individual employee who committed the violation and the corporate entity may be prosecuted simultaneously.
7. K-REACH vs. EU REACH: Key Differences
| Feature | K-REACH (Korea) | EU REACH |
|---|
| Regulator | MOE / NICS | ECHA |
| Threshold for registration | 1 tonne/year | 1 tonne/year |
| Only Representative (OR) | Not formally recognized; importer must register | OR system available |
| Language of SDS | Korean mandatory | Local language mandatory |
| Nanomaterials | Separate notification required | Separate notification required |
| Data sharing/SIEF | SIEF-equivalent available | Mandatory SIEF |
| SVHC candidate list | Restricted substance list (허가물질) | SVHC Candidate List + Authorisation List |
A critical distinction: unlike EU REACH, K-REACH does not recognize an "Only Representative" concept for foreign manufacturers. The legal obligation falls directly on the Korean importer. Foreign companies must therefore either establish a Korean legal entity or work through a registered Korean importer who assumes the compliance burden.
8. Compliance Strategy for Foreign Companies
Foreign companies should take the following steps to achieve K-REACH compliance:
- Substance inventory mapping: Identify all substances in products exported to Korea and check their CAS numbers against NICS databases.
- Tonnage calculation: Determine annual import volumes to assess which registration tier applies.
- Exemption screening: Confirm whether substances qualify for exemption (R&D, natural substances, articles exemption).
- SIEF participation: Join data-sharing consortia to reduce testing costs.
- SDS preparation: Prepare Korean-language GHS-compliant SDS and register with KCIS.
- Importer due diligence: Ensure Korean importers/distributors are registered and have proper permits.
- Facility compliance: If operating Korean facilities, secure CSCA installation permits and prepare emergency plans.
- Annual reporting: Submit annual manufacturing/import reports to NICS by March 31 each year.
9. Recent Regulatory Developments (2023–2025)
Korea has tightened its chemical regulation significantly in recent years:
- 2023: MOE expanded the restricted substances list to include additional PFAS compounds, aligning with global PFAS restrictions.
- 2024: NICS introduced digital SDS submission via an updated KCIS portal, requiring all SDS to be submitted electronically from January 2024.
- 2024: New provisions on nanomaterial notification entered into force, requiring separate notification for engineered nanomaterials even if the base substance is registered.
- 2025: Korea is expected to align its restricted substances authorization process more closely with EU REACH's Authorization procedure, potentially requiring time-limited permits for restricted substance use.
📌 Official References
Frequently Asked Questions (FAQ)
Q1: Does K-REACH apply to foreign companies that only export articles (finished products) to Korea?
Yes, if the articles contain chemical substances that are intentionally released under normal or reasonably foreseeable conditions of use (e.g., fragrances in consumer products), registration obligations may apply. Even where substances are not intentionally released, importers must notify NICS if the substance is on the restricted list and present above threshold concentrations. Foreign exporters should assess their products against Korean restricted substance lists before shipping.
Q2: Who bears the K-REACH registration obligation — the foreign manufacturer or the Korean importer?
Unlike EU REACH, K-REACH does not provide an "Only Representative" mechanism. The Korean importer bears the primary registration obligation. However, foreign manufacturers can choose to establish a Korean subsidiary (법인) or branch office to directly handle registrations. In practice, many foreign companies negotiate contractual cost-sharing arrangements with their Korean distributors/importers for registration costs.
Q3: What is the penalty for supplying an unregistered chemical to the Korean market?
Under Article 44 of K-REACH, importing or manufacturing an unregistered new chemical substance is a criminal offense punishable by up to 5 years imprisonment or a fine of up to KRW 100 million. Existing substance violations may result in import suspension orders and administrative fines. Supply chain disruptions and reputational damage are additional business risks.
Q4: Are there exemptions for R&D chemicals?
Yes. Chemical substances manufactured or imported solely for R&D purposes in quantities below 1 tonne/year are generally exempt from K-REACH registration, subject to notification requirements. Companies must maintain documentation proving R&D use to claim the exemption. Substances subsequently commercialized must be registered before commercial use begins.
Q5: How does Korea's GHS labeling differ from other countries?
Korea implements GHS Revision 7 with certain national adaptations. Key differences include: mandatory Korean language labeling for all hazardous substances; specific Korean signal word translations (위험 for Danger, 경고 for Warning); additional Korean-specific precautionary statements for certain chemical categories; and mandatory KCIS registration of SDS. Companies familiar with EU/US GHS labeling must still review their labels for Korean-specific compliance.
Q6: What are the CSCA obligations for foreign companies with Korean manufacturing facilities?
Foreign-invested companies operating manufacturing, storage, or handling facilities for accident-risk substances in Korea must obtain a Chemical Facility Installation Permit from the regional environmental agency, conduct risk assessments (장외영향평가), establish internal emergency plans, conduct regular facility inspections, and report any chemical accidents within 1 hour to NICS and local authorities. Non-compliance can trigger facility closure orders in addition to criminal penalties.
Q7: Is there a joint registration/consortium option similar to EU REACH?
Yes. K-REACH allows companies to submit joint registration dossiers through a SIEF (Substance Information Exchange Forum) equivalent — known as the data sharing consortium (데이터공유 컨소시엄). Participating companies share testing data and registration costs. NICS actively encourages consortium registration to reduce animal testing. Foreign companies can join existing Korean consortia or establish new ones through NICS coordination.
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📋 韩国法律洞察 | 环境与化学品法规
作者：NOH UJIN 律师 | HANBYOL LAW LLC，首尔
韩国化学物质法规（K-REACH）：外国制造商和进口商完全指南
韩国是亚洲化学品监管最严格的国家之一。在韩国制造、进口、销售或使用化学品的外国企业，必须遵守以《化学物质注册与评估法》（화학물질등록평가법，K-REACH）和《化学物质管理法》（화학물질관리법，CSCA）为核心的多层次监管体系。
1. 韩国化学品监管框架概述
韩国主要通过两部重要法律监管化学品：
- K-REACH：由环境部（MOE）和国家化学物质安全院（NICS）管理，负责化学物质的注册、评估和危害评估。
- CSCA（化学物质管理法）：规范危险化学品的处理、储存、运输和事故预防，要求获得设施安装许可证和事故管理计划。
2. K-REACH 注册要求
K-REACH 要求对每年制造或进口量达到或超过特定吨位阈值的新旧化学物质进行注册：
| 年度吨位 | 注册要求 |
|---|
| ≥ 1 吨/年（新物质） | 在制造或进口前注册 |
| ≥ 1,000 吨/年（现有物质） | 分阶段注册——高优先级 |
| 100–999 吨/年 | 分阶段注册计划 |
| 10–99 吨/年 | 分阶段注册计划 |
| 1–9 吨/年 | 可提交简化注册 |
3. 危险化学品分类（GHS/K-GHS）
韩国采用《全球化学品统一分类和标签制度》（GHS）。向韩国出口的外国企业必须确保产品附有符合要求的韩文标签和安全数据表（SDS）。SDS必须以韩语提供，标签须包含危险象形图、信号词、危险说明和预防说明。
4. 禁止和限制物质
韩国维护着禁止物质和限制物质清单。禁止物质绝对禁止进口、制造或使用；限制物质须事先获得环境部授权。截至2024年，禁止物质超过70种，包括某些多氯联苯、石棉和苯并啶衍生物。
5. 违规处罚
| 违规行为 | 处罚 |
|---|
| 未注册化学品的制造/进口 | 刑事责任：最高5年有期徒刑或1亿韩元罚款 |
| 未提供安全数据表 | 行政罚款最高500万韩元 |
| 未经授权使用限制物质 | 刑事责任：最高3年或5000万韩元罚款 |
| 无许可证操作设施（CSCA） | 刑事责任：最高7年或1亿韩元罚款 |
6. K-REACH 与欧盟 REACH 的主要区别
| 特征 | K-REACH（韩国） | 欧盟 REACH |
|---|
| 监管机构 | MOE / NICS | ECHA |
| 唯一代表（OR）机制 | 不认可；韩国进口商须注册 | 认可 OR 机制 |
| SDS 语言 | 韩语强制要求 | 当地语言强制要求 |
| SVHC 候选清单 | 限制物质清单（허가물질） | SVHC 候选清单 + 授权清单 |
常见问题解答（FAQ）
Q1：K-REACH 是否适用于仅向韩国出口成品的外国企业？
是的。若成品中的化学物质在正常使用条件下会有意释放，则可能需要注册。即使不会有意释放，若含有限制物质且浓度超过阈值，进口商也须通知NICS。
Q2：K-REACH 的注册义务由谁承担——外国制造商还是韩国进口商？
与欧盟 REACH 不同，K-REACH 没有"唯一代表"机制。韩国进口商承担主要注册义务。外国制造商可通过在韩设立子公司直接处理注册，也可与韩国分销商协商分担注册费用。
Q3：向韩国市场供应未注册化学品的处罚是什么？
根据 K-REACH 第44条，进口或制造未注册新化学物质属于刑事犯罪，最高可判处5年有期徒刑或1亿韩元罚款。现有物质违规可能导致进口暂停令和行政罚款。
Q4：研发用化学品是否有豁免？
是的。仅用于研发目的且年用量低于1吨的化学物质通常可免于 K-REACH 注册，但须满足通知要求并保留证明文件。若后续商业化，须在商业使用前完成注册。
Q5：近期有哪些重要监管动态？
2023年，环境部将PFAS化合物纳入限制物质清单；2024年，NICS要求通过更新的KCIS门户提交电子版SDS；韩国持续强化纳米材料通知要求；2025年预计将进一步与欧盟REACH授权程序接轨。
📌 官方参考资料
📚 相关文章
📋 韓国法律インサイト | 環境・化学物質規制
弁護士 NOH UJIN | HANBYOL LAW LLC、ソウル
韓国化学物質規制（K-REACH）：外国製造業者・輸入業者のための完全ガイド
韓国はアジアで最も厳格な化学物質規制体制を持つ国の一つです。韓国で化学物質を製造、輸入、販売、または使用する外国企業は、「化学物質登録評価法（화학물질등록평가법、K-REACH）」と「化学物質管理法（화학물질관리법、CSCA）」を中心とした多層的な規制システムに従う必要があります。
1. 韓国化学物質規制の概要
主な規制法令：
- K-REACH：環境部（MOE）と国家化学物質安全院（NICS）が管轄。化学物質の登録、評価、ハザード評価を規律。
- CSCA：危険化学物質の取扱い、保管、輸送、事故防止を規律。施設設置許可と事故管理計画が必要。
2. K-REACH の登録要件
| 年間トン数 | 登録要件 |
|---|
| ≥ 1 トン/年（新規物質） | 製造または輸入前に登録 |
| ≥ 1,000 トン/年（既存物質） | 段階的登録（優先度高） |
| 100–999 トン/年 | 段階的スケジュール |
| 10–99 トン/年 | 段階的スケジュール |
| 1–9 トン/年 | 簡易登録可能 |
3. 危険化学物質の分類（GHS/K-GHS）
韓国はGHSを採用しており、韓国向け輸出品には韓国語のGHSラベルと安全データシート（SDS）が必要です。SDSは韓国語で提供し、NLCSの化学物質情報システム（KCIS）に登録する必要があります。
4. 禁止・制限物質
K-REACHおよびCSCAの下、禁止物質（금지물질）と制限物質（허가물질）のリストが維持されています。禁止物質の輸入・製造・使用は絶対的に禁止。制限物質の使用にはMOEの事前認可が必要です。
5. 違反ペナルティ
| 違反行為 | ペナルティ |
|---|
| 未登録化学物質の製造・輸入 | 刑事：最長5年の禁固または1億ウォンの罰金 |
| SDS不提供 | 行政罰金最高500万ウォン |
| 制限物質の無断使用 | 刑事：最長3年または5000万ウォン |
| 無許可施設の操作（CSCA） | 刑事：最長7年または1億ウォン |
6. K-REACHとEU REACHの主な相違点
| 項目 | K-REACH（韓国） | EU REACH |
|---|
| 唯一代理人（OR） | 認められない；韓国輸入業者が登録義務 | OR制度あり |
| SDSの言語 | 韓国語必須 | 現地言語必須 |
| 高懸念物質リスト | 制限物質リスト | SVHCリスト + 認可リスト |
よくある質問（FAQ）
Q1：完成品（成形品）のみを韓国に輸出する外国企業にもK-REACHは適用されますか？
はい。成形品に含まれる化学物質が通常使用条件下で意図的に放出される場合（例：消費者向け製品の香料）、登録義務が生じる可能性があります。意図的放出がない場合でも、制限物質を閾値濃度以上含む場合はNICSへの通知が必要です。
Q2：K-REACHの登録義務は外国製造業者と韓国輸入業者のどちらに課されますか？
EU REACHとは異なり、K-REACHには「唯一代理人」制度がありません。韓国輸入業者が主な登録義務を負います。外国製造業者は韓国法人を設立して直接登録を行うか、韓国の販売代理店/輸入業者と登録コストを分担する契約を締結することができます。
Q3：未登録化学物質を韓国市場に供給した場合のペナルティは？
K-REACH第44条により、未登録新規化学物質の輸入・製造は刑事犯罪となり、最長5年の禁固または1億ウォンの罰金が科されます。
Q4：研究開発用化学品の免除規定はありますか？
はい。年間1トン未満を研究開発目的のみに使用する化学物質は、通知要件を条件として登録免除となります。
Q5：最近の規制動向は？
2023年にPFAS化合物が制限物質リストに追加、2024年にSDS電子提出が義務化、ナノマテリアル通知要件が強化されました。2025年にはEU REACHの認可手続きに近い制度の導入が予定されています。
📌 公式参考資料
📚 関連記事
📋 Perspectiva Legal Coreana | Regulación Ambiental y Química
Por el Abogado NOH UJIN | HANBYOL LAW LLC, Seúl
Regulación de Sustancias Químicas en Corea (K-REACH): Guía Completa para Fabricantes e Importadores Extranjeros
Corea del Sur cuenta con uno de los marcos regulatorios de sustancias químicas más estrictos de Asia. Las empresas extranjeras que fabrican, importan, venden o utilizan sustancias químicas en Corea deben cumplir con el sistema regulatorio multicapa centrado en la Ley de Registro y Evaluación de Sustancias Químicas (K-REACH) y la Ley de Control de Sustancias Químicas (CSCA).
1. Marco Regulatorio de Sustancias Químicas en Corea
- K-REACH: Administrada por el Ministerio de Medio Ambiente (MOE) y el Instituto Nacional de Seguridad Química (NICS). Regula el registro, evaluación y evaluación de peligros.
- CSCA: Regula el manejo, almacenamiento, transporte y prevención de accidentes de sustancias peligrosas.
2. Requisitos de Registro K-REACH
| Tonelaje Anual | Requisito de Registro |
|---|
| ≥ 1 tonelada/año (nuevas sustancias) | Antes de fabricar o importar |
| ≥ 1,000 toneladas/año (existentes) | Registro por fases — prioridad alta |
| 100–999 toneladas/año | Calendario por fases |
| 10–99 toneladas/año | Calendario por fases |
| 1–9 toneladas/año | Registro simplificado disponible |
3. Clasificación de Sustancias Peligrosas (GHS/K-GHS)
Corea adopta el Sistema Globalmente Armonizado (GHS). Los exportadores extranjeros deben asegurar que sus productos cuenten con etiquetas GHS en coreano y Fichas de Datos de Seguridad (SDS) en idioma coreano registradas ante el KCIS.
4. Sustancias Prohibidas y Restringidas
Se mantienen listas de sustancias prohibidas y restringidas. La importación, fabricación o uso de sustancias prohibidas está absolutamente vetado. El uso de sustancias restringidas requiere autorización previa del MOE.
5. Sanciones por Incumplimiento
| Infracción | Sanción |
|---|
| Fabricación/importación de sustancia no registrada | Penal: hasta 5 años de prisión o multa de 100 millones KRW |
| No proporcionar SDS | Multa administrativa hasta 5 millones KRW |
| Uso no autorizado de sustancia restringida | Penal: hasta 3 años o 50 millones KRW |
| Operar instalación sin permiso (CSCA) | Penal: hasta 7 años o 100 millones KRW |
6. K-REACH vs. REACH de la UE: Diferencias Clave
| Característica | K-REACH (Corea) | REACH UE |
|---|
| Representante Único (OR) | No reconocido; el importador coreano debe registrar | Sistema OR disponible |
| Idioma del SDS | Coreano obligatorio | Idioma local obligatorio |
| Lista de SVHC | Lista de sustancias restringidas | Lista candidata SVHC + Lista de Autorización |
Preguntas Frecuentes (FAQ)
P1: ¿K-REACH aplica a empresas extranjeras que solo exportan artículos terminados a Corea?
Sí. Si las sustancias en los artículos se liberan intencionalmente en condiciones normales de uso, pueden aplicarse obligaciones de registro. Incluso sin liberación intencional, si se trata de sustancias restringidas en concentraciones superiores al umbral, el importador debe notificar al NICS.
P2: ¿Quién tiene la obligación de registro K-REACH: el fabricante extranjero o el importador coreano?
A diferencia del REACH de la UE, K-REACH no cuenta con el mecanismo de "Representante Único". El importador coreano lleva la carga principal del registro. Los fabricantes extranjeros pueden establecer una filial coreana para gestionar registros directamente.
P3: ¿Cuál es la sanción por suministrar un producto químico no registrado al mercado coreano?
Conforme al Artículo 44 de K-REACH, importar o fabricar una nueva sustancia química no registrada es delito penal, sancionable con hasta 5 años de prisión o multa de hasta 100 millones de KRW.
P4: ¿Existen exenciones para productos químicos de I+D?
Sí. Las sustancias usadas exclusivamente para I+D en cantidades inferiores a 1 tonelada/año están generalmente exentas, sujetas a requisitos de notificación y documentación. La comercialización posterior requiere registro previo.
P5: ¿Cuáles son los desarrollos regulatorios recientes?
En 2023 se añadieron compuestos PFAS a la lista restringida; en 2024 se exigió la presentación electrónica de SDS; se reforzaron los requisitos de notificación de nanomateriales. Para 2025 se espera mayor alineación con el procedimiento de autorización del REACH de la UE.
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