Toxic Substances under K-REACH

유독물질 — 2,300+ substances classified

Toxic substances (유독물질) are chemicals classified by the Korean government as having significant human or ecological toxicity. These substances are subject to enhanced management requirements under K-REACH, including mandatory labeling, safety data sheet (SDS) preparation, and handling restrictions.

Regulatory Requirements

Mandatory MSDS/SDS preparation and submission
Toxic substance handling certification for workers
Designated storage and handling facilities
Annual usage reporting to the Korea Environment Corporation
Special labeling with GHS pictograms and signal words

Example Substances

CAS	Name	Korean	Note
71-43-2	Benzene	벤젠	Carcinogenic solvent
50-00-0	Formaldehyde	포름알데히드	Preservative and disinfectant
108-88-3	Toluene	톨루엔	Industrial solvent
7440-38-2	Arsenic	비소	Heavy metal

Query via API

List all toxic substances using the regulations endpoint:

GET /v1/regulations/list?type=toxic&limit=10&page=1

{
  "regulation_type": "toxic",
  "page": 1,
  "limit": 10,
  "has_next_page": true,
  "items": [
    {
      "id": 44597,
      "cas_no": "71-43-2",
      "name_eng": "Benzene",
      "flags": { "is_toxic": true }
    }
  ]
}

Access the full toxic substances list via API

Get API Key on RapidAPI

Toxic Substances under K-REACH

Regulatory Requirements

Example Substances

Query via API

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