


MERCURY
Hóa chất này có thể ảnh hưởng đến sức khỏe của tôi như thế nào?
Tác Dụng Cấp Tính (Ngắn Hạn)


Nguồn dữ liệu
Nguy Hiểm Trực Tiếp » Độc hại cho cả con người và động vật
Những tài liệu đề cập trực tiếp đến hóa chất này:
- H330 - Fatal if inhaled [Acute toxicity (inhalation) - Category 1 or 2]EU - GHS (H-Statements) Annex 6 Table 3-1European Union / European Commission (EU EC)
- H330 - Fatal if inhaled [Acute toxicity (inhalation) - Category 2]GHS - KoreaRepublic of Korea - National Institute of Environmental Research (NIER)
- Class D1A - Very toxic material causing immediate and serious toxic effectsQuébec CSST - WHMIS 1988Québec Workplace Health and Safety Commission (Commission de la santé et de la securite du travail (CSST))
- H330 - Fatal if inhaled [Acute toxicity (inhalation: vapor) - Category 1]GHS - JapanGovernment of Japan
- H330 - Fatal if inhaled [Acute toxicity (inhalation) - Category 1 or 2]GHS - MalaysiaMalaysia Department of Occupational Safety and Health
- H330 - Fatal if inhaled [Acute toxicity (inhalation) - Category 1 or 2]GHS - AustraliaSafe Work Australia
- Acute inhalation toxicity category 2GHS - New ZealandTe Mana Rauhī Taiao (Aotearoa New Zealand EPA)
- Acute oral toxicity category 2GHS - New ZealandTe Mana Rauhī Taiao (Aotearoa New Zealand EPA)
Nguy Hiểm Trực Tiếp » Kích ứng mắt
Những tài liệu đề cập trực tiếp đến hóa chất này:
- H319 - Causes serious eye irritation [Serious eye damage / eye irritation - Category 2]GHS - JapanGovernment of Japan
Tác Dụng Mãn Tính (Lâu Dài)







Nguồn dữ liệu
Nguy Hiểm Trực Tiếp » Dị tật bẩm sinh
Những tài liệu đề cập trực tiếp đến hóa chất này:
- Developmental toxicityCA EPA - Prop 65California Environmental Protection Agency (CA EPA)
- H360D - May damage the unborn child [Reproductive toxicity - Category 1A or 1B]EU - GHS (H-Statements) Annex 6 Table 3-1European Union / European Commission (EU EC)
- H360D - May damage the unborn child [Reproductive toxicity - Category 1A or 1B]GHS - MalaysiaMalaysia Department of Occupational Safety and Health
Nguy Hiểm Trực Tiếp » PBT (Chất độc sinh học tích lũy khó phân hủy)
Những tài liệu đề cập trực tiếp đến hóa chất này:
- Priority PBTUS EPA - Priority PBTs (NWMP)US Environmental Protection Agency (US EPA)
- Priority PBTUS EPA - Priority PBTs (PPT)US Environmental Protection Agency (US EPA)
- PBTUS EPA - Toxics Release Inventory PBTsUS Environmental Protection Agency (US EPA)
- PBT - Chemical for Priority ActionOSPAR - Priority PBTs & EDs & equivalent concernOslo-Paris Convention Commission (OSPAR)
Nguy Hiểm Trực Tiếp » Các tác động khác đến sức khỏe
Những tài liệu đề cập trực tiếp đến hóa chất này:
- H372 - Causes damage to organs through prolonged or repeated exposure [Specific target organ toxicity - repeated exposure - Category 1]EU - GHS (H-Statements) Annex 6 Table 3-1European Union / European Commission (EU EC)
- H372 - Causes damage to organs through prolonged or repeated exposure [Specific target organ toxicity - Repeated exposure - Category 1]GHS - KoreaRepublic of Korea - National Institute of Environmental Research (NIER)
- H372 - Causes damage to organs through prolonged or repeated exposure [Specific target organs/systemic toxicity following repeated exposure - Category 1]GHS - JapanGovernment of Japan
- H370 - Causes damage to organs [Specific target organs/systemic toxicity following single exposure - Category 1]GHS - JapanGovernment of Japan
- H372 - Causes damage to organs through prolonged or repeated exposure [Specific target organ toxicity - repeated exposure - Category 1]GHS - MalaysiaMalaysia Department of Occupational Safety and Health
- H372 - Causes damage to organs through prolonged or repeated exposure [Specific target organ toxicity - repeated exposure - Category 1]GHS - AustraliaSafe Work Australia
- Specific target organ toxicity - repeated exposure category 1GHS - New ZealandTe Mana Rauhī Taiao (Aotearoa New Zealand EPA)
Nguy Hiểm Trực Tiếp » Gây hại về mặt sinh sản
Những tài liệu đề cập trực tiếp đến hóa chất này:
- Reproductive toxicants: Category 1BEU - REACH Annex XVII CMRsEuropean Union / European Commission (EU EC)
- H360 - May damage fertility or the unborn child [Reproductive toxicity - Category 1]GHS - KoreaRepublic of Korea - National Institute of Environmental Research (NIER)
- Reproductive toxicity category 1GHS - New ZealandTe Mana Rauhī Taiao (Aotearoa New Zealand EPA)
- H360 - May damage fertility or the unborn child [Toxic to reproduction - Category 1A]GHS - JapanGovernment of Japan
- Reproductive Toxicity - Category 1BEU - Annex VI CMRsEuropean Union / European Commission (EU EC)
- H360FD - May damage fertility. May damage the unborn child [Reproductive toxicity - Category 1A or 1B]GHS - AustraliaSafe Work Australia
Nguy Hiểm Trực Tiếp » Rối loạn nội tiết
Những tài liệu đề cập trực tiếp đến hóa chất này:
- Potential Endocrine DisruptorTEDX - Potential Endocrine DisruptorsThe Endocrine Disruption Exchange (TEDX)
Nguy Hiểm Trực Tiếp » Ung thư
Những tài liệu đề cập trực tiếp đến hóa chất này:
- Carcinogen Group 3B - Evidence of carcinogenic effects but not sufficient for classificationMAKMAK Commission of Germany (Deutsche Forschungsgemeinschaft)
Nguy Hiểm Trực Tiếp » Kích ứng da
Những tài liệu đề cập trực tiếp đến hóa chất này:
- Sensitizing Substance Sh - Danger of skin sensitizationMAKMAK Commission of Germany (Deutsche Forschungsgemeinschaft)
- Skin sensitisation category 1GHS - New ZealandTe Mana Rauhī Taiao (Aotearoa New Zealand EPA)
- H317 - May cause an allergic skin reaction [Skin sensitizer - Category 1]GHS - JapanGovernment of Japan
Nguy Cơ Cố Hữu


Nguồn dữ liệu
Mercury Compounds » Danh sách hạn chế
Những tài liệu đề cập đến một nhóm các hợp chất có chứa hóa chất này:
- HAPs subject to the Clean Air ActUS EPA - Hazardous Air PollutantsUS Environmental Protection Agency (US EPA)
- Biological NutrientsC2C Certified v3 Banned List (out of date)Cradle to Cradle Products Innovation Institute (C2CPII)
- Technical NutrientsC2C Certified v3 Banned List (out of date)Cradle to Cradle Products Innovation Institute (C2CPII)
- Chemicals Removed or Consolidated from TSCA Work Plan ChemicalsUS EPA - PPT Chemical Action PlansUS Environmental Protection Agency (US EPA)
- Priority ChemicalsME DEP - Chemicals of High Concern and Priority ChemicalsMaine Department of Environmental Protection
- Core RestrictionsC2C Certified v4.0 Product Standard Restricted Substances List (RSL) - Effective July 1, 2022Cradle to Cradle Products Innovation Institute (C2CPII)
- Biological and Environmentally Released MaterialsC2C Certified v4.0 Product Standard Restricted Substances List (RSL) - Effective July 1, 2022Cradle to Cradle Products Innovation Institute (C2CPII)
- Prohibited & Restricted Ingredients in CosmeticsUS FDA - Prohibited & Restricted Ingredients in CosmeticsUS Food and Drug Administration
- Limit of harmful substances in industrial protective coatings (GB 30981-2020)China's limit standard for volatile organic compoundsState Administration for Market Regulation - Standardization Administration of China
- Cosmetics & Personal Care ProductsC2C Certified v4.0 Product Standard Restricted Substances List (RSL) - Effective July 1, 2022Cradle to Cradle Products Innovation Institute (C2CPII)
- Compounds of Cadmium, Chromium VI, Lead, and MercuryGreenScreen Certified Standard for Food Service Ware RSLClean Production Action (CPA)
- WA TFCAWA DoE Toxic-Free Cosmetics Act (TFCA)Washington State Department of Ecology (WA DOE)
Nguy Hiểm Trực Tiếp » Danh sách hạn chế
Những tài liệu đề cập trực tiếp đến hóa chất này:
- Red List substance to avoid in Living Building Challenge V2.1 projectsLiving Building Challenge 2.1 - Red List of Materials & Chemicals (retired in 2014)International Living Future Institute (ILFI)
- Precautionary list of substances recommended for avoidanceP&W - Precautionary ListPerkins+Will (P+W)
- Annex II Restricted SubstancesEU - ROHSEuropean Union / European Commission (EU EC)
- Chemicals of high concernSCHF - Hazardous 100Toxic-Free Future (formerly Safer Chemicals, Healthy Families (SCHF))
- Substance to avoid to fulfill LEED Pilot Credit 54 Option 1USGBC - LEED Pilot CreditsUS Green Building Council (USGBC)
- Candidate Chemical ListCA SCP - Candidate ChemicalsCalifornia Department of Toxic Substance Control (CA DTSC)
- Red List substances to avoid in Living Building Challenge V3 projectsLiving Building Challenge 3.0 - Red List of Materials & Chemicals (retiring December 31, 2024)International Living Future Institute (ILFI)
- Assessment of regulatory needsEU - PACT-RMOA SubstancesEuropean Union / European Commission (EU EC)
- SNUR (Significant New Use Rule)US EPA - PPT Chemical Action PlansUS Environmental Protection Agency (US EPA)
- V3 2014 Substance of Concern ListBIFMA - e3/level Annex B list of chemicalsBusiness and Institutional Furniture Manufacturers Association (BIFMA)
- Certain MetalsGSPI - Six Classes Precautionary ListGreen Science Policy Institute (GSPI)
- Substances restricted under REACHEU - REACH Annex XVII non-CMRsEuropean Union / European Commission (EU EC)
- Ingredients that are Prohibited for Use in Cosmetic ProductsHealth Canada - Cosmetic Ingredient HotlistHealth Canada
- Chemicals of High ConcernMDH - Chemicals of High Concern and Priority ChemicalsMinnesota Department of Public Health
- Chemicals of High Concern to ChildrenWA DoE - Chemicals of High Concern to ChildrenWashington State Department of Ecology (WA DOE)
- Annex II - Prohibited SubstancesEU - Cosmetics RegulationEuropean Union / European Commission (EU EC)
- Designated ChemicalCA DTSC - Biomonitoring California Chemical ListCalifornia Department of Toxic Substance Control (CA DTSC)
- CoHC List (non SVHC)CPA - Chemical FootprintClean Production Action (CPA)
- Children's ProductsC2C Certified v4.0 Product Standard Restricted Substances List (RSL) - Effective July 1, 2022Cradle to Cradle Products Innovation Institute (C2CPII)
- Formulated Consumer ProductsC2C Certified v4.0 Product Standard Restricted Substances List (RSL) - Effective July 1, 2022Cradle to Cradle Products Innovation Institute (C2CPII)
- ZDHC - MRSL v1.1 for Textiles and Synthetic Leather ProcessingZDHC - MRSL v1.1Zero Discharge of Hazardous Waste Chemicals Programme
- ZDHC - MRSL v1.1 for Natural Leather ProcessingZDHC - MRSL v1.1Zero Discharge of Hazardous Waste Chemicals Programme
- Red List substances to avoid in Living Building Challenge V3.1 projectsLiving Building Challenge 3.1 - Red List of Materials & Chemicals (retiring December 31, 2024)International Living Future Institute (ILFI)
- Red List substances to avoid in Living Building Challenge V4.0 projectsLiving Building Challenge 4.0 - Red List of Materials & Chemicals - Effective February 1, 2025International Living Future Institute (ILFI)
- 2019 Substance of Concern ListBIFMA - e3/level Annex B list of chemicalsBusiness and Institutional Furniture Manufacturers Association (BIFMA)
- Tier 1 “Do Not Use Chemicals” for EveryoneCampaign for Safe Cosmetics’ Red List of Chemicals of ConcernCampaign for Safe Cosmetics
- Prohibited ChemicalsCredo Beauty's Restricted Substance ListCredo
- Declarable and Reference Substance Lists (DSL and RSL)IEC 62474 - Material Declaration for Products of and for the Electrotechnical IndustryInternational Electrotechnical Commission
- Chemicals of High Concern to ChildrenVermont Chemicals of High Concern to ChildrenVermont Environmental Health Division
- Reportable ChemicalsMA Toxics Use Reduction Act (TURA) listed substancesMassachusetts Department of Environmental Protection
- Food Contact Chemicals Database Version 5.0Food Contact Chemicals Database (FCCdb)Food Packaging Forum
- Food Contact Chemicals of Concern List (FCCoCL) - TIER 1Food Contact Chemicals of Concern (FCCoCL)Food Packaging Forum
- Food Contact Chemicals of Concern List (FCCoCL) - TIER 2Food Contact Chemicals of Concern (FCCoCL)Food Packaging Forum
- Substances of Very High Concern (RIVM ZZS)Substances of Very High Concern (RIVM ZZS)The National Institute for Public Health and the Environment (RIVM)
- Substances Restricted in ToysThe Toy Safety DirectiveEuropean Union / European Commission (EU EC)
- MetalsAmerican Apparel and Footwear Association Restricted Substance List (AAFA RSL)American Apparel and Footwear Association
- ZDHC - MRSL v2.0ZDHC - MRSL v2.0Zero Discharge of Hazardous Waste Chemicals Programme
- EDF Key chemicals of concern in food packaging and food handling equipmentEDF Key chemicals of concern in food packaging and food handling equipmentEnvironmental Defense Fund
- FSAP Food Packaging Product Stewardship ConsiderationsFSAP Food Packaging Product Stewardship ConsiderationsFood Safety Alliance for Packaging (FSAP)
- FPF Priority Substance List from FCCdbFPF Priority Substance List from FCCdbFood Packaging Forum
- Food Packaging Forum Priority Substances ListGreenScreen Certified Standard for Food Service Ware RSLClean Production Action (CPA)
- TSCA Commercially ActiveTSCA Chemical Substance Inventory (Active-Inactive)US Environmental Protection Agency (US EPA)
- Heavy MetalsAFIRM Packaging RSLThe Apparel and Footwear International RSL Management Group (AFIRM)
- European Union Restriction of Hazardous Substances (Eu RoHS) Directive (Electronics)GreenScreen Certified Standard for Furniture & Fabrics Bronze RSLClean Production Action (CPA)
- Persistent, Bioaccumulative, and Toxic Chemicals (PBTs)GreenScreen Certified Standard for Furniture & Fabrics Bronze RSLClean Production Action (CPA)
- Metals and their Compounds (non-Electronic): Cadmium, Lead, Mercury, Organotin, and AntimonyGreenScreen Certified Standard for Furniture & Fabrics Bronze RSLClean Production Action (CPA)
- ZDHC Manufacturing Restricted Substances List (MRSL) Version 2.0GreenScreen Certified Standard for Furniture & Fabrics Silver-Gold RSLClean Production Action (CPA)
- European union Restriction of Hazardous Substances (Eu RoHS) Directive (Electronics)GreenScreen Certified Standard for Furniture & Fabrics Silver-Gold RSLClean Production Action (CPA)
- Persistent, Bioaccumulative, and Toxic Chemicals (PBTs)GreenScreen Certified Standard for Furniture & Fabrics Silver-Gold RSLClean Production Action (CPA)
- Metals and their Compounds (non-Electronic): Cadmium, Lead, Mercury, Organotin, and AntimonyGreenScreen Certified Standard for Furniture & Fabrics Silver-Gold RSLClean Production Action (CPA)
- ZDHC Manufacturing Restricted Substances List (MRSL) Version 2.0GreenScreen Certified Standard for Firefighting Foam RSLClean Production Action (CPA)
- ZDHC Manufacturing Restricted Substances List (MRSL) Version 2.0GreenScreen Certified Standard for Textile Chemicals RSLClean Production Action (CPA)
- GADSL Declarable or Prohibited Substances (D/P)Global Automotive Declarable Substance List (GADSL)Global Automotive Stakeholder Group (GASG)
- European union Restriction of Hazardous Substances (Eu RoHS) Directive (Electronics)GreenScreen Certified Standard for Medical Supplies & Devices Silver-Gold RSLClean Production Action (CPA)
- Persistent, Bioaccumulative, and Toxic Chemicals (PBTs)GreenScreen Certified Standard for Medical Supplies & Devices Silver-Gold RSLClean Production Action (CPA)
- Metals and their Compounds (non-Electronic)GreenScreen Certified Standard for Medical Supplies & Devices Silver-Gold RSLClean Production Action (CPA)
- ZDHC Manufacturing Restricted Substances List (MRSL) Version 2.0GreenScreen Certified Standard for Medical Supplies & Devices Silver-Gold RSLClean Production Action (CPA)
- European union Restriction of Hazardous Substances (Eu RoHS) Directive (Electronics)GreenScreen Certified Standard for Medical Supplies & Devices Bronze RSLClean Production Action (CPA)
- Persistent, Bioaccumulative, and Toxic Chemicals (PBTs)GreenScreen Certified Standard for Medical Supplies & Devices Bronze RSLClean Production Action (CPA)
- Metals and their Compounds (non-Electronic)GreenScreen Certified Standard for Medical Supplies & Devices Bronze RSLClean Production Action (CPA)
- GreenScreen LT-1 (based on 2018 Chemical Footprint Project)GreenScreen Certified Standard for Medical Supplies & Devices Silver-Gold RSLClean Production Action (CPA)
- Tier 1 “Do Not Use” Chemicals of Greater Concern for Black WomenCampaign for Safe Cosmetics’ Red List of Chemicals of ConcernCampaign for Safe Cosmetics
- Potential CHRONIC health effects (over time or long-term)OR OHA - High Priority Chemicals of Concern for Children's Health (HPCCCH)Oregon Health Authority
- Restricted Substances in ProductsApple Regulated Substances SpecificationApple Inc.
- Reportable Substances and Future Restrictions in ProductsApple Regulated Substances SpecificationApple Inc.
- New Zealand Inventory of Chemicals (NZIoC)New Zealand Inventory of ChemicalsTe Mana Rauhī Taiao (Aotearoa New Zealand EPA)
- The Australian Inventory of Industrial ChemicalsThe Australian Inventory of Industrial ChemicalsAustralian Government
- Existing Chemicals ListKorea Existing Chemicals ListKorea Ministry of Environment
- IECSC-2013The Inventory of Existing Chemical Substance in China - 2013China's Ministry of Ecology and Environment
- Philippine Inventory of ChemicalsPhilippine Inventory of ChemicalsThe Philippine Government
- DSL-allEC - CEPA DSLEnvironment Canada & Health Canada (EC)
- Taiwan Existing Chemical Substance InventoryTaiwan Existing Chemical Substance InventoryTaiwan Ministry of Environment
- ATSDR 2022 Substance Priority ListATSDR’s Substance Priority ListUS Centers for Disease Control (US CDC)
- TSCA - Substantial Risk NoticesTSCA Chemical Substantial Risk NoticesUS Environmental Protection Agency (US EPA)
- NICNASAustralia - National Industrial Chemicals Notification and Assessments (NICNAS)Australian Government
- All ProductsC2C Certified v4.1 Product Standard Restricted Substances - Effective July 1, 2025Cradle to Cradle Products Innovation Institute (C2CPII)
- Electronics (RoHS)C2C Certified v4.1 Product Standard Restricted Substances - Effective July 1, 2025Cradle to Cradle Products Innovation Institute (C2CPII)
- Children's Toy ProductsC2C Certified v4.1 Product Standard Restricted Substances - Effective July 1, 2025Cradle to Cradle Products Innovation Institute (C2CPII)
- CA Toxic-Free Cosmetic ActCalifornia Toxic-Free Cosmetic ActCalifornia Department of Public Health (CDPH)
- ZDHC - MRSL v3.1ZDHC - MRSL v3.1Zero Discharge of Hazardous Waste Chemicals Programme
- Regulatory risk managementEU - PACT-RMOA SubstancesEuropean Union / European Commission (EU EC)
Nguy Hiểm Trực Tiếp » Phản ứng
Những tài liệu đề cập trực tiếp đến hóa chất này:
- Class E - Corrosive materialsQuébec CSST - WHMIS 1988Québec Workplace Health and Safety Commission (Commission de la santé et de la securite du travail (CSST))
- Corrosive to metals category 1GHS - New ZealandTe Mana Rauhī Taiao (Aotearoa New Zealand EPA)
Mercury Compounds, Inorganic » Danh sách hạn chế
Những tài liệu đề cập đến một nhóm các hợp chất có chứa hóa chất này:
- Annex III Restricted PesticideUNEP - PIC Annex IIIUnited Nations Environment Programme (UNEP)
- Prospective Red List substances to avoid in Living Building Challenge projectsLiving Building Challenge 3.0 - Red List of Materials & Chemicals (retiring December 31, 2024)International Living Future Institute (ILFI)
[149038-91-5] Mercury (primary Casrn Is 7439-97-6) » Danh sách hạn chế
Những tài liệu đề cập đến một nhóm các hợp chất có chứa hóa chất này:
- Priority for Inclusion in the Living Building Challenge Red ListLiving Building Challenge 4.0 - Red List of Materials & Chemicals - Effective February 1, 2025International Living Future Institute (ILFI)
Toxic Heavy Metals » Danh sách hạn chế
Những tài liệu đề cập đến một nhóm các hợp chất có chứa hóa chất này:
- Priority ChemicalsMind the Store Priority Chemical Classes & GroupsToxic-Free Future (formerly Safer Chemicals, Healthy Families (SCHF))
- Toxic Heavy MetalsBora's Chemicals of Concern ListBora Architecture & Interiors
Hóa chất này tác động đến môi trường như thế nào?



Nguồn dữ liệu
Nguy Hiểm Trực Tiếp » Khó phân hủy
Những tài liệu đề cập trực tiếp đến hóa chất này:
- PersistentEC - CEPA DSLEnvironment Canada & Health Canada (EC)
Nguy Hiểm Trực Tiếp » Gây hại cấp tính đối với hệ sinh thái dưới nước
Những tài liệu đề cập trực tiếp đến hóa chất này:
- H400 - Very toxic to aquatic life [Hazardous to the aquatic environment (acute) - Category 1]EU - GHS (H-Statements) Annex 6 Table 3-1European Union / European Commission (EU EC)
- H400 - Very toxic to aquatic life [Hazardous to the aquatic environment (acute) - Category 1]GHS - KoreaRepublic of Korea - National Institute of Environmental Research (NIER)
- H400 - Very toxic to aquatic life [Hazardous to the aquatic environment (acute) - Category 1]GHS - JapanGovernment of Japan
- H400 - Very toxic to aquatic life [Hazardous to the aquatic environment (acute) - Category 1]GHS - MalaysiaMalaysia Department of Occupational Safety and Health
- Hazardous to the aquatic environment - acute category 1GHS - New ZealandTe Mana Rauhī Taiao (Aotearoa New Zealand EPA)
Nguy Hiểm Trực Tiếp » Gây hại mãn tính đối với hệ sinh thái dưới nước
Những tài liệu đề cập trực tiếp đến hóa chất này:
- H410 - Very toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment (chronic) - Category 1]EU - GHS (H-Statements) Annex 6 Table 3-1European Union / European Commission (EU EC)
- H410 - Very toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment (chronic) - Category 1]GHS - KoreaRepublic of Korea - National Institute of Environmental Research (NIER)
- H410 - Very toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment (chronic) - Category 1]GHS - JapanGovernment of Japan
- H410 - Very toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment (chronic) - Category 1]GHS - MalaysiaMalaysia Department of Occupational Safety and Health
- H410 - Very toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment (chronic) - Category 1]GHS - AustraliaSafe Work Australia
- Hazardous to the aquatic environment - chronic category 1GHS - New ZealandTe Mana Rauhī Taiao (Aotearoa New Zealand EPA)
Hóa chất này có thể được thay thế bằng những hóa chất nào an toàn hơn?
Làm thế nào tôi dễ bị tiếp xúc với hóa chất này?

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