Safety Data Sheet Trade Name: ALNOCHROMIX® Oxidizing acid additive for glass cleaning 1 Identification of the substance/mixture and of the supplier 1.1 GHS Product identifier Trade Name: ALNOCHROMIX® Oxidizing acid additive for glass cleaning Product number: 2510, 2512, 2540 CAS No: 7727-54-0 1.2 Application of the substance / the mixture: Cleaning material 1.3 Details of the supplier of the Safety Data Sheet Manufacturer: Supplier: Alconox Inc. 30 Glenn St Not applicable Category 4 Category 2 Category 2B Category 1 Category 1 Category 3 Category 3 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: This material is considered hazardous by the OSHA Hazard Communication Standard (29 CFR 1910.1200). Hazard-determining components of labeling: Inorganic Persulfate 2.2 Label elements: Acute toxicity - Oral, Skin corrosion/irritation Serious eye damage/eye irritation Respiratory sensitization Skin sensitization Specific target organ toxicity (single exposure) Oxidizing Solids Signal word: Danger Hazard statements: H315 Causes skin irritation. H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled H335 May cause respiratory irritation H320 Causes eye irritation. H317 May cause an allergic reaction H302 Harmful if swallowed H272 may intensify fire; oxidizer Precautionary statements: P261 Avoid breathing dust/ fume/gas/ mist/ vapors/ spray P285 In case of inadequate ventilation wear respiratory protection P271 Use only outdoors or in a well-ventilated area P210 Keep away from heat/sparks/open flames/hot surfaces - No Smoking P220 Keep/Store away from clothing/combustible materials P221 Take any precaution to avoid mixing with combustibles P264 Wash skin thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301 + P312 If Swallowed: Call a Poison Center or doctor if you feel unwell. P302+P352 If on skin: Wash with plenty of water. P304 + P341 If Inhaled: If breathing is difficult, remove to fresh air and keep at rest in a F7303-1.0-20200511 | SDS25E.1 | Created by Alconox Inc. | (914) 948-4040 | www.alconox.com

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Chemical characterization: None Description: None Hazardous components (percentages by weight) Additional Information: None. Trade Name: ALNOCHROMIX® Oxidizing acid additive for glass cleaning position comfortable for breathing P305+P351+P338 If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. P330 Rinse mouth P333+P313 If skin irritation or rash occurs: Get medical advice/attention. P337+ P313 If eye irritation persists: Get medical advice/attention...

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: ALNOCHROMIX® Oxidizing acid additive for glass cleaning 5 Firefighting measures 5.1 Extinguishing media Suitable extinguishing agents: Water. Cool containers with flooding quantities of water until well after fire is out. For safety reasons unsuitable extinguishing agents: None 5.2 Special hazards arising from the substance or mixture: Thermal decomposition by fire forming conditions releases oxygen that intensifies fires. 5.3 Advice for firefighters Protective equipment: Wear self-contained breathing apparatus pressure-demand,...

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: ALNOCHROMIX® Oxidizing acid additive for glass cleaning 8.1 Control parameters:_____ F7303-1.0-20200511 | SDS25E.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: ALNOCHROMIX® Oxidizing acid additive for glass cleaning 10 Stability and reactivity 10.1 Reactivity: Strong oxidizer 10.2 Chemical stability: Stable under recommended storage conditions 10.3 Possibility hazardous reactions: Use of persulfates in chemical reactions requires appropriate precautions and design considerations for pressure and thermal relief. Decomposing persulfates will evolve large volumes of gas and/or vapor, can accelerate exponentially with heat generation, and create significant and hazardous pressures...

Safety Data Sheet Effective date: 11 May 2023 Revision: 11 May 2023 Trade Name: ALNOCHROMIX® Oxidizing acid additive for glass cleaning 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 Results of PBT and vPvB assessment: PBT: No additional information. vPvB: No additional information. 12.6 Other adverse effects: No additional information. 13.1 Waste treatment methods (consult local, regional and national authorities for proper...

Safety Data SheetEffective date: 11 May 2023 Revision: 11 May 2023 Trade Name: ALNOCHROMIX® Oxidizing acid additive for glass cleaning 15 Regulatory information 15.1 Safety, health and environmental regulations/legislation specific for the substance or mixture. North American SARA (Sections 313,311 and 312) This product doesn't contain any chemicals which are subject to the reporting requirements of the Act and Title 40 of the CFR part 372. This product contains the following hazards under The Emergency Planning and Community Right-to-Know rule (EPCRA Tier II) > Oxidizer > Acute toxicity > Serious...

Safety Data Sheet Revision: 11 May 2023 Effective date: 11 May 2023 Trade Name: ALNOCHROMIX® Oxidizing acid additive for glass cleaning Australia Australian Inventory of Chemical Substances (AICS): All ingredients are listed. China Inventory of Existing Chemical Substances in China (IECSC): All ingredients are listed. Japan Inventory of Existing and New Chemical Substances (ENCS): All ingredients are listed. Korea Existing Chemicals List (ECL): All ingredients are listed. New Zealand New Zealand Inventory of Chemicals (NZOIC): All ingredients are listed. Philippines Philippine Inventory of Chemicals...