NYACOL® AL10.7 — Safety Data Sheet — Company Identification: Nyacol Nano Technologies, Inc. PAGE 1 SAFETY DATA SHEET REVISION: NovemberSUPERSEDES:7, None2025 NYACOL® AL10.7 VERSION NO.: 1 Section 1: Product and Company Identification: 1.1 Product Identifier Product Form: Mixture Identification of Substance: Aluminum Hydroxide Oxide in water Product Name: NYACOL® AL10.7 Synonym: Colloidal alumina; Alumina dispersion in water. CAS Number: 1318-23-6 Index Number: Not available. EINECS Number: 215-284-3 In accordance with Article 2 (7)(c) of REACH, registration of this substance is REACH Registration Number: not required. Formula: AlHO2 Nanoforms: AlHO2 exists as a nanoform 1.2 Relevant identified uses of the substance or mixture and uses advised against Recommended Use: Ceramics. Catalysts. Restrictions on Use: For industrial use only, not for food, drug or home use. 1.3 Details of the supplier of the safety data sheet Company Identification: Nyacol Nano Technologies, Inc. Megunko Road, P.O. Box 349, Ashland, MA 01721 U.S.A. +1 508-881-2220 Email Contact: info@nyacol.com Internet: www.nyacol.com 1.4 Emergency telephone number USA/Canada CHEMTREC: +1 (703) 527-3887 In Case of Emergency: International CHEMTREC: +1 (703) 741-5970 24 Hours/Day: 7 Days/Week Section 2: Hazard(s) Identification 2.1 Classification of the substance or mixture GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) Not classified. Classification according to Regulation (EC) No. 1272/2008 (CLP) Not classified. Classification according to Directive 67/548/EEC and 1999/45/EC (including amendments) Not classified. 2.2 Label Elements Not labelled. Signal Word: Not applicable. Hazard Pictogram: Not applicable. Hazard Statement(s): Not applicable. Precautionary Statement(s): Not applicable. 2.3 Other Hazards Components do not meet the criteria for a PBT or vPvB substance. 2.4 Unknown acute toxicity (GHS US) No data available. Page 1 of 7 EN (English) PAGE 2 SAFETY DATA SHEET REVISION: NovemberSUPERSEDES:7, None2025 NYACOL® AL10.7 VERSION NO.: 1 Section 3: Composition / Information on Ingredients 3.1 Chemical characterization: Mixtures Description: Mixture consisting of the following components. Percent SCL, M-factor,Component Name: Product Identifiers GHS Classification By Weight ATE Aluminum Hydroxide Oxide: CAS: 1318-23-6 Not classified. 9-11 EINECS: 215-284-3 Index: Not available Water: CAS: 7732-18-5 Not classified 87-89 EINECS: 231-791-2 Impurities: Present at a level below that to be taken into account for classification. Stabilizing Additives: Polymer not classified by GHS at <2% by weight. The supplier currently has no knowledge on additional ingredients that are classified and that contribute to the classification of this substance. See Section 16 for a list of hazards if identified above. Nanoform characteristics: Name of nanoform: Aluminum Hydroxide Oxide Value d10 4 - 60 Number based particle size d50 5 - 80 distribution, nm d90 7 - 110 Shape and aspect ratio Spherical Crystallinity Orthorhombic Surface functionalization None Specific surface area, m2/g 50 - 200 Section 4: First-Aid Measures 4.1 Description of first aid measures Eye Contact: Immediately flush eyes with plenty of water for at least 15 minutes. Hold eyelids apart while flushing to rinse entire surface of the eye and lids with water. Get medical attention. Skin Contact: In case of contact, immediately flush skin with plenty of water for several minutes. Remove contaminated clothing. Get medical attention if skin irritation develops or persists. Inhalation: If inhaled, remove to fresh air; remove person from exposure source. Get medical attention immediately. Ingestion: Consult medical professional. Do not induce vomiting unless directed by medical professional. Never give anything by mouth to an unconscious person. First Aid Facilities: Eye wash station. Advice to Physicians: No further relevant information available. 4.2 Most important symptoms and effects, both acute and delayed Page 2 of 7 EN (English) PAGE 3 SAFETY DATA SHEET REVISION: NovemberSUPERSEDES:7, None2025 NYACOL® AL10.7 VERSION NO.: 1 Acute or delayed effects are not anticipated. 4.3 Indication of any immediate medical attention and special treatment needed. No further relevant information available. Section 5: Fire-Fighting Measures 5.1 Extinguishing Media Suitable Extinguishing Media: Use fire fighting measures that suit the environment. Unsuitable extinguishing media: None known. 5.2 Special hazards arising from the substance or mixture Flammability of the product: Material is not flammable. Containers can build pressure if exposed to heat or fire. Special Hazard Arising from the Chemical: Combustible products may include nitrogen oxides. Fire Hazard: No further relevant information available. Explosion Hazard No further relevant information available. Reactivity: No further relevant information available. 5.3 Advice for firefighters Special Protective Equipment for Fire-fighters: Wear standard full firefighter turn-out gear (full bunker gear) and respiratory protection (SCBA). Section 6: Accidental Release Measures 6.1 Personal precautions, protective equipment and emergency procedures Eye protection and impervious gloves. Avoid mist, aerosol, or dust formation. An approved air-purifying respirator should be worn if mist, aerosol, or dust is present. 6.1.1 For non-emergency personnel Wear protective equipment. Keep unprotected persons away. 6.2 Environmental precautions Prevent entry into sewers and waterways or onto the ground. 6.3 Methods and material for containment and cleaning up Avoid breathing mist, aerosol, or dust. Avoid creation of mist, aerosol, or dust. Contain spill with inert materials such as sand, vermiculite. Not an RCRA hazardous waste. Ventilate area. Wear appropriate personal protective equipment, including appropriate respiratory protection. 6.4 Reference to other sections For more information on exposure controls and personal protection or disposal considerations, check section 8 and 13 of this SDS. Section 7: Handling and Storage 7.1 Precautions for safe handling Minimum feasible handling, and temperatures should be maintained. Avoid generating mist, aerosol, or dust during use. Use only in well ventilated area. An approved air-purifying respirator should be worn if mist, aerosol, or dust is present. Do not breath mist, aerosol, or dust. 7.1.1 Protective measures Use only in well ventilated areas. As a precautionary measure, the wearing of standard work gear is suggested. Keep ignition sources away. Do not smoke. Protect from heat. Protect against electrostatic charges. 7.1.2 Advice on general occupational hygiene Page 3 of 7 EN (English) PAGE 4 SAFETY DATA SHEET REVISION: NovemberSUPERSEDES:7, None2025 NYACOL® AL10.7 VERSION NO.: 1 Avoid inhalation, ingestion and contact with eyes. General occupational hygiene measures are required to ensure a safe handling of the substance. These measures involve good personal and housekeeping practices (i.e. regular cleaning with suitable cleaning devices), no eating, drinking and smoking at the workplace and wearing standard working clothes and shoes unless otherwise stated. Wash hands after use. Remove contaminated clothing and protective equipment before entering eating areas. Shower and change clothes at end of work shift. Do not wear contaminated clothing at home. 7.2 Conditions for safe storage, including any incompatibilities Do not freeze. Periods of exposure to high temperatures should be minimized. Provide sufficient ventilation in storage and workrooms. Store in a cool dry area. Keep containers tightly sealed. 7.3 Specific end use(s) No additional information available. Refer to Section 1.2 of this SDS. Section 8: Exposure Controls / Personal Protection 8.1 Control Parameters Aluminum Oxide, CAS #1344-28-1 USA OSHA OSHA PEL (mg/m3) 15 mg/m3 TWA 8.2 Exposure Controls Engineering Controls: Ventilation adequate to meet occupational exposure limits. Hygiene Measures: Workers should wash exposed skin several times daily with soap and water. Soiled work clothing should be laundered or dry-cleaned. Respiratory: Airborne concentrations should be kept to lowest levels possible. If aerosol, mist or dust is generated and the occupational exposure limit of the product, or any component of the product, is exceeded, use appropriate NIOSH or MSHA approved air purifying or air supplied respirator after determining the airborne concentration of the contaminant. Air-supplied respirators should always be worn when airborne concentrations of the contaminant or oxygen content is Hands: Wear impervious gloves such as neoprene. Eyes: Safety glasses, chemical type goggles, or face shield recommended to prevent eye contact. Skin: Wear clean body-covering clothing; impervious gloves such as neoprene. Workers should wash exposed skin several times daily with soap and water. Soiled work clothing should be laundered or dry-cleaned. Environmental Exposure Controls: Adverse effects of this material on the environment have not been evaluated. Proper disposal techniques to isolate and recover material should be implemented. Section 9: Physical and Chemical Properties 9.1 Information on basic physical and chemical properties Physical State Liquid Color: White Odor: Odorless Metling point/freezing point: Not determined Boiling point: 100 °C (212 °F) Page 4 of 7 EN (English) PAGE 5 SAFETY DATA SHEET REVISION: NovemberSUPERSEDES:7, None2025 NYACOL® AL10.7 VERSION NO.: 1 Flammability: Not flammable Lower and upper explosion limit: Not applicable Flash point: Not applicable Auto-ignition temperature: Not applicable Decomposition temperature: Not applicable pH: 7 Kinematic viscosity, mm2/s <50 Solubility: Fully miscible with water. Nanoform solubility <1 ppm in water. Partition coefficient, n-octanol/water (log value) Not determined Vapor pressure Not determined Relative density (specific gravity) 1.1 Relative vapor density Not determined Particle characteristics See Section 3 for nanoform characteristics 9.2 Other information Not applicable. Section 10: Stability and Reactivity 10.1 Reactivity There are no known reactivity hazards associated with this product. 10.2 Chemical Stability Stable under normal ambient and anticipated storage and handling conditions. 10.3 Possibility of hazardous reactions No further relevant information available. 10.4 Conditions to avoid No further relevant information available. 10.5 Incompatible materials Strong oxidizing agents. 10.6 Hazardous decomposition products Not determined. Section 11: Toxicological Information 11.1 Information on toxicological effects Acute toxicity: LD50, Rat, Oral Values for classification: >2000 mg/kgAluminum Hydroxide Oxide, CAS# 1318-23-6 Skin corrosion/irritation: Avoid contact with skin. Irritation, drying or cracking of skin due to drying effects. Dry skin has been reported. Eye damage/irritation: Avoid contact with eyes. This material may be irritating. Inhalation: No further relevant information available. Sensitization: No sensitizing effect known. Chronic Effects: No further relevant information available. Carcinogenicity No data indicating any concern for carcinogenicity. Section 12: Ecological Information 12.1 Aquatic Toxicity No further relevant information available. Page 5 of 7 EN (English) PAGE 6 SAFETY DATA SHEET REVISION: NovemberSUPERSEDES:7, None2025 NYACOL® AL10.7 VERSION NO.: 1 12.2 Persistence and degradability There is no data on the degradability of this product. 12.3 Bioaccumulative potential No further relevant information available. 12.4 Mobility in soil No further relevant information available. 12.5 Results of PBT and vPvB Assessment The PBT and vPvB criteria of Annex XIII to the Regulation do not apply to this product. 12.6 Other adverse effects No further relevant information available. Section 13: Disposal Considerations This information presented only applies to the materials as supplied. The identification based on characteristic(s) or listing may not apply if the material has been used or otherwise contaminated. It is the responsibility of the waste generator to determine the toxicity and physical properties of the material generated to determine the proper waste identification and disposal methods in compliance with applicable regulations. Disposal should be in accordance with applicable regional, national and local laws and regulations. Disposal Considerations: Dispose of solids in a landfill. Dispose in accordance with regional, national and local laws and regulations. United States: The product is not a RCRA hazardous waste. Section 14: Transport Information The product is not restricted for transportation. Sections 14.1 - 14.4 Regulations U.S. D.O.T.: Not regulated. ICAO/IATA: Not regulated. IMO/IMDG: Not regulated. ADR: Not regulated. 14.5 Environmental hazards: Not an environmental hazard for transport. 14.6 Special precautions for users: None. 14.7 Transport bulk according to Annex II of MARPOL73/78 and the IBC Code Not applicable. Section 15: Regulatory Information 15. 1 Safety, health and environmental regulations/legislation specific for substance or mixture: Worldwide Chemical Inventories EINECS (EU): All ingredients listed TSCA (USA): All ingredients listed DSL (Canada): All ingredients listed AICS (Australia): All ingredients listed ENCS (Japan): All ingredients listed ECL (Korea): All ingredients listed PICCS (Philippines): All ingredients listed Page 6 of 7 EN (English) PAGE 7 SAFETY DATA SHEET REVISION: NovemberSUPERSEDES:7, None2025 NYACOL® AL10.7 VERSION NO.: 1 IECSC (China): All ingredients listed State Right-to-Know Laws: Section 3 of this SDS lists all components of the product. California Proposition 65: No ingredients listed. SARA Section 311/312 (29 CFR 1910.1200) Not classified according to GHS. Hazards: SARA 313, 304 and CERCLA 102 (A): No ingredients above the de minimus limit. 15. 2 Chemical safety assessment: A Chemical Safety Assessment has not been carried out. Section 16: Other Information National Fire Protection Association (U.S.A.) 704 Health-1, Flammability-0, Reactivity-0, Special-None HMIS® Hazard Rating: Health-1, Flammability-0, Reactivity-0, Protective Equipment - E; Safety glasses, Gloves, Dust Respirator. Recommended Use: The product is recommended for use as in ceramics and catalysts. Other uses have not been investigated and may have other hazards. For industrial use only, not for food, drug or home use. Work Alert: Workers using the product should read and understand this SDS and be trained in the proper use of this material. Other Special Considerations: None known. SDS Prepared By: Andrew Guzelian Nyacol Nano Technologies, Incorporated Telephone: + 1 508-881-2220 Revision Date: November 7, 2025 Supersedes: None. This SDS has been prepared with data from Nyacol Nano Technologies, Inc.’s laboratories, raw material suppliers, and government publications. Information herein is accurate to the best of our knowledge. Suggestions are made without warranty or guarantee of results. Before using, the user should determine the suitability of the products for the intended use, and the user assumes the risk and liability in connection therewith. We do not suggest violation of any existing patents or give permission to practice any patented invention without license. NYACOL® is a registered trademark of Nyacol Nano Technologies, Inc. Page 7 of 7 EN (English)