Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Citrajet® Low-Foaming Liquid Acid Cleaner 1 Identification of the substance/mixture and of the supplier 1.1 GHS Product identifier Trade Name: Citrajet® Low-Foaming Liquid Acid Cleaner Product number: 2001, 2001-1, 2005, 2015, 2030, 2055 1.2 Application of the substance / the mixture: Cleaning material/Detergent 1.2.1 Recommended dilution ratio: 1 - 2% in water 1.3 Details of the supplier of the Safety Data Sheet Manufacturer: Supplier: Alconox Inc. 30 Glenn ST White Plains, NY 10603 (914) 948-4040 Emergency telephone number: ChemTel Inc North America: 1-888-255-3924 International: +1 813-248-0573 2 Hazards identification 2.1 Classification of the substance or mixture: In compliance with EC regulation No. 1272, 29CFR1910/1200 and GHS requirements. Hazard-determining components of labeling: Glycolic acid Citric acid 2.2 Label elements: Eye damage, category 1. Skin corrosion, category 1. Product at recommended dilution: Eye irritation, category 2B Hazard pictograms: Signal word: Danger Hazard statements: H314 Causes severe skin burns and eye damage. H318 Causes serious eye damage. Precautionary statements: P264 Wash skin thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 If on skin: Wash with soap and water. P305+P351+P338 If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. P332+P313 If skin irritation occurs: Get medical advice/attention. P501 Dispose of contents and container as instructed in Section 13. F7303-1.0-20200511 | SDS20E.1 | Created by Alconox Inc. | (914) 948-4040 | www.alconox.com

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Citrajet® Low-Foaming Liquid Acid Cleaner Hazardous Elements at Use Dilution: Signal word: Warning Hazard statements: H320 Causes eye irritation Precautionary statements: P302+P352 If on skin: Wash with soap and water. P305+P351+P338 If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. P501Dispose of contents and container as instructed in Section 13 Additional information: None. Hazard description Hazards Not Otherwise Classified (HNOC): May...

Effective date: 11 May 2023 Revision: 11 May 2023 4.1 Description of first aid measures General information: None. After inhalation: Maintain an unobstructed airway. Loosen clothing as necessary and position individual in a comfortable position. After skin contact: Rinse affected area with soap and water. If symptoms develop or persist, seek medical attention. After eye contact: Rinse/flush exposed eye(s) gently using water for 15-20 minutes. Remove contact lens(es) if able to do so during rinsing. Seek medical attention if irritation persists or if concerned. After swallowing: Rinse mouth thoroughly....

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Citrajet® Low-Foaming Liquid Acid Cleaner Ensure air handling systems are operational. 6.2 Environmental precautions: Should not be released into the environment. Prevent from reaching drains, sewer or waterway. 6.3 Methods and material for containment and cleaning up: Wear protective eye wear, gloves and clothing. 6.4 Reference to other sections: None 7.1 Precautions for safe handling: Avoid breathing mist or vapor. Do not eat, drink, smoke or use personal products when handling chemical substances. 7.2 Conditions...

Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Citrajet® Low-Foaming Liquid Acid Cleaner 10 Stability and reactivity 10.1 Reactivity : Not determined or not available. 10.2 Chemical stability: Not determined or not available. 10.3 Possibility hazardous reactions: Not determined or not available. 10.4 Conditions to avoid: Not determined or not available. 10.5 Incompatible materials: Not determined or not available. 10.6 Hazardous decomposition products: Not determined or not available. 1 1 Toxicological information 11.1 Information on toxicological effects: Acute Toxicity: Oral:...

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Citrajet® Low-Foaming Liquid Acid Cleaner 12 Ecological information 12.1 Toxicity: Citric acid: Aquatic invertebrates, Daphnia magna (Water flea) - 1,535 mg/l - 24 h. Citric acid: Fish, Leuciscus idus melanotus - 440 mg/l - 48 h. Glycolic acid: Fish, LC50 - Danio rerio (zebra fish) - 5,000 mg/l - 96 h. 12.2 Persistence and degradability: No additional information. 12.3 Bioaccumulative potential: No additional information. 12.4 Mobility in soil: No additional information. General notes: No additional information. 12.5...

Safety Data Sheet Revision: 11 May 2023 US DOT Limited Quantity Exception: Bulk: RQ (if applicable): None Proper shipping Name: None Hazard Class: None Packing Group: None Marine Pollutant (if applicable): No additional information. Comments: None None Non Bulk: RQ (if applicable): None Proper shipping Name: None Hazard Class: None Packing Group: None Marine Pollutant (if applicable): No additional information. Comments: None 14.4 Packing group: None 14.5 Environmental hazards: None 14.6 Special precautions for user: None Danger code (Kemler): None Segregation groups: None 14.7 Transport in bulk...

Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Citrajet® Low-Foaming Liquid Acid Cleaner 15 Regulatory information 15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture. North American_ SARA Section 313 (specific toxic chemical listings): None of the ingredients are listed. Section 302 (extremely hazardous substances): None of the ingredients are l isted. CERCLA (Comprehensive Environmental Response, Clean up and Liability Act) Reportable Spill Quantity: None of the ingredients are listed. TSCA (Toxic Substances Control Act): Inventory:...