Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 1.1 GHS Product identifier Trade Name: Alconox® Powdered Precision Cleaner Product number: 1101, 1103, 1104, 1104-1, 1112, 1112-1, 1125, 1150 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 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 2.1 Classification of the substance or mixture: In compliance with EC regulation No. 1272, 29CFR1910/1200 and GHS requirements. Hazard-determining components of labeling: Tetrasodium Pyrophosphate Sodium tripolyphosphate Sodium Alkylbenzene Sulfonate 2.2 Label elements: Eye damage, category 1. Skin irritation, category 2. Signal word: Danger Hazard statements: H315 Causes skin irritation. H318 Causes serious eye damage. Precautionary statements: P264 Wash skin thoroughly after handling. F7303-1.0-20200511 | SDS11E.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: Alconox® Powdered Precision Cleaner 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. P321 Specific treatment (see supplemental first aid instructions on this label). P332+P313 If skin irritation occurs: Get medical advice/attention. P362 Take off contaminated clothing and wash before reuse. P501...

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Alconox® Powdered Precision Cleaner 3.4 Additional Information: None. 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: Wash affected area with soap and water. Seek medical attention if symptoms develop or persist. 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....

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Alconox® Powdered Precision Cleaner 5.1 Extinguishing media Suitable extinguishing agents: Use appropriate fire suppression agents for adjacent combustible materials or sources of ignition. For safety reasons unsuitable extinguishing agents: None 5.2 Special hazards arising from the substance or mixture: Thermal decomposition can lead to release of irritating gases and vapors. 5.3 Advice for firefighters Protective equipment: Wear protective eye wear, gloves and clothing. Refer to Section 8. 5.4 Additional information:...

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Alconox® Powdered Precision Cleaner 8 Exposure controls/personal protection a) 7722-88-5, Tetrasodium Pyrophosphate, ACGIH TWA 10 mg/m3 b) 7758-29-4, Sodium Tripolyphosphate, ACGIH TWA 10 mg/m3 c) Dusts, non-specific OEL, Irish Code of Practice (iii) Tetrasodium Pyrophosphate, OSHA TWA 5 mg/m3, (8hr) 8.2 Exposure controls Appropriate engineering controls: Emergency eye wash fountains and safety showers should be available in the immediate vicinity of use or handling. Respiratory protection: Not needed under normal...

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Alconox® Powdered Precision Cleaner 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. 11 Toxicological information 11.1 Information on toxicological effects: Acute Toxicity: Oral: : LD50 > 5000 mg/kg...

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Alconox® Powdered Precision Cleaner STOT-single and repeated exposure: No additional information. Additional toxicological information: No additional information. 12 Ecological information 12.1 Toxicity: Sodium Alkylbenzene Sulfonate: Fish, LC50 1.67 mg/l, 96 hours. Sodium Alkylbenzene Sulfonate: Aquatic invertebrates, EC50 Daphnia 2.9 mg/l, 48 hours. Sodium Alkylbenzene Sulfonate: Aquatic Plants, EC50 Algae 29 mg/l, 96 hours. Tetrasodium Pyrophosphate: Fish, LC50 - other fish - 1,380 mg/l - 96 h. Tetrasodium Pyrophosphate:...

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Alconox® Powdered Precision Cleaner Comments: None 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 according to Annex II of MARPOL73/78 and the IBC Code: Not applicable. Transport category: Tunnel restriction code: UN "Model Regulation": 14.8 Transport/Additional information: None None None 15.1 Safety, health and environmental regulations/legislation specific for the substance...

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: Alconox® Powdered Precision Cleaner Germany MAK: Not classified. EC 648/2004 - This is an industrial detergent. Contains >30% phosphate, 15-30% anionic surfactant, <5% EDTA salts EC 551/2009 - This is not a laundry or dishwasher detergent EC 907/2006 - Contains no enzymes, optical brighteners, perfumes, allergenic fragrances, or preservative agents Asia Pacific Australia Australian Inventory of Chemical Substances (AICS): All ingredients are listed. China Inventory of Existing Chemical Substances in China (IECSC):...