* * *Section 1 Identification* * * * * *Section 2 Hazard(s) Identification. Ferromanganese Safety Data Sheet SDS ID: DJJFA002

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1 * * *Section 1 Identification* * * Product Identifier: High carbon and medium carbon ferromanganese Chemical Family: Alloy Recommended Use: Metal alloys, steel manufacture Restriction on Use: Use in accordance with supplier recommendations. Manufacturer Information The David J. Joseph Company Non-Emergency Contact: Safety Department 300 Pike Street Non-Emergency Phone: Cincinnati, OH Emergency Contact: DJJ Emergency Phone: * * *Section 2 Hazard(s) Identification Classification Not classified as a hazardous substance. GHS Label Elements Symbol(s) N/A Signal Word N/A Hazards Statement(s) Not assigned. Precautionary Statements Prevention Observe good industrial hygiene practices. Response Wash hands after handling. Storage Store away from incompatible materials. Disposal Dispose of waste and residues in accordance with local authority requirements. Hazard(s) Not Otherwise Classified Not a PBT or vpvb substance or mixture. Page 1 of 6 Issue Date 11/23/2015 Revision 1.00

2 * * *Section 3 Composition / Information on Ingredients* * * CAS Component Percent Manganese > 60% Iron < 20% Carbon < 10% Silicon < 3% Phosphorus < 1% * * *Section 4 Fist Aid Measures* * * Inhalation In case of exposure to fine particulates: Move to fresh air. Seek medical attention if discomfort persist. Skin Contact Contact with dust: Wash with soap and water. Seek medical attention if irritation develops or persists. Eye Contact Do not rub eyes. Remove any contact lenses. Flush thoroughly with water, taking care to rinse under eyelids. If irritation persists, continue flushing for 15 minutes, rinsing from time to time under eye lids. If discomfort continues, seek medical attention. Ingestion Rinse mouth thoroughly if dust is ingested. Do not induce vomiting. Seek medical attention if any discomfort continues. * * *Section 5 Fire Fighting Measures* * * Extinguishing Media Special powder against metal fires, dry sand. Unsuitable Extinguishing Media Do not use water or halogenated extinguishing media. Specific Hazards Arising from the Chemical Fire or high temperatures can create manganese, carbon, silicon and iron oxides. Special Protective Equipment and Precautions for Firefighters Self-contained breathing apparatus and full protective clothing must be worn in case of a fire. Move containers from fire if you can do so without risk. Cool containers with flooding quantities of water until well after fire is out. Page 2 of 6 Issue Date 11/23/2015 Revision 1.00

3 * * *Section 6 Accidental Release Measures* * * Personal Precautions, Protective Equipment and Emergency Procedures Keep unnecessary personnel away. Ensure adequate ventilation. Avoid inhalation of dust and contact with skin and eyes. Wear protective equipment as described in section 8. Avoid release into the environment. Do not allow to enter waterways, sewers or aquifers. Methods and Materials for Containment and Cleaning Up Avoid the generation of dusts during clean up. Sweep up or vacuum up spillage in suitable container for disposal. Vacuums used for this purpose should be equipped with HEPA filters. * * *Section 7 Handling and Storage* * * Precautions for Safe Handling Avoid inhalation of dust and contact with skin and eyes. Avoid generation and spreading of dust. Provide adequate ventilation. Wear appropriate personal protective equipment. Observe good industrial hygiene practices. Avoid feeding dusty or wet alloy to steelmaking/alloymaking furnaces. Conditions for Safe Storage Store away from incompatible materials. Incompatibilities Oxidizing agents, peroxides, acids. * * *Section 8 Exposure Controls / Personal Protection* * * Exposure Limits US. ACGIH Threshold Limit Values Phosphorus TWA: 0.1 mg/m3 Carbon TWA respirable fraction: 2 mg/m3 Manganese TWA inhalable fraction: 0.1 mg/m3 Manganese TWA respirable fraction: 0.02 mg/m3 Appropriate Engineering controls Use process enclosures, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exposure limits. Use explosion proof equipment if high dust/air concentrations are possible. Individual Protection Measures Eyes/Face Protection Wear dust resistant safety goggles where there is danger of eye contact. Skin Protection Wear suitable protective gloves to prevent cuts and abrasions. Wear suitable protective clothing. Respiration If risk of inhalation of dust is present, use suitable respiratory equipment with particle filter. Page 3 of 6 Issue Date 11/23/2015 Revision 1.00

4 Appearance: Silver/Grey Solid * * *Section 9 Physical and Chemical Properties* * * Physical state: Solid Melting/freezing Point: > 450 C Flash Point: N/A UFL: N/A Vapor Pressure: N/A Specific Gravity: N/A Auto Ignition: N/A ph: N/A Boiling Point: N/A OSHA Flammability Class: Non-flammable LFL: N/A Vapor Density: N/A Solubility (H20): Insoluble * * *Section 10 Chemical Stability & Reactivity* * * Reactivity Non-reactive under normal conditions of use, storage and transport. Chemical Stability Massive metal is stable under normal conditions of use, storage and transport. Possibility of Hazardous Reaction Hazardous polymerization does not occur. Conditions to Avoid Dust generation. Avoid heat, sparks, open flames and other ignition sources. Incompatible Materials Oxidizing agents, peroxides, acids. Hazardous Decomposition Products Manganese oxides. * * *Section 11 Toxicological Information* * * Acute Toxicity No test data available for the product. Expected to be a low hazard for usual industrial or commercial handling by trained personnel. Component Analysis Carbon Oral LD50-Rat: > mg/kg Iron Oral LD50-Rat: mg/kg Silicon Oral LD50-Rat: 3160 mg/kg Manganese Oral LD50-Rat: 9000 mg/kg Information on Likely routes of Exposure Inhalation High concentrations of dust and fumes may irritate the throat and respiratory system and cause coughing. Page 4 of 6 Issue Date 11/23/2015 Revision 1.00

5 Ingestion May cause discomfort if swallowed. However, ingestion is not likely to be a primary route of occupational exposure. Skin Dust may irritate skin. Eye Dust may irritate the eyes. Irritation/Corrosivity Data May cause irritation through mechanical abrasion. Respiratory Sensitizer Dermal Sensitization Carcinogenicity Mutagenicity Reproductive Toxicity Specific Target Organ Toxicity Aspiration Hazard Not applicable for solids. Other Toxicological Information Chronic exposure to some manganese compounds has been reported to affect the central nervous system. Symptoms include hand tremors, behavioral changes and slower reaction times. * * *Section 12 Ecological Information* * * Component Analysis Ecotoxicity Aquatic Toxicity Iron LC50 Channel Catfish (Ictalurus Punctatus) > 500 mg/l, 96 hours Persistence & Degradability Not applicable to inorganic substances. Bioaccumulation Does not bioaccumulate. Mobility Very low solubility in water and low mobility in the environment. * * *Section 13 Disposal Considerations* * * Disposal Methods Dispose in accordance with all applicable regulations. Recover and recycle if possible. Page 5 of 6 Issue Date 11/23/2015 Revision 1.00

6 * * *Section 14 Transportation Information* * * US DOT Information This product is not regulated as dangerous goods. * * *Section 15 Regulatory Information* * * U.S. Federal Regulations Non-hazardous, no regulations * * *Section 16 Other Information* * * Reasonable care has been taken in the preparation of this information, but the manufacturer makes no warranty of merchantability or any other warranty, expressed or implied, with respect to this information. The manufacturer makes no representations and assumes no liability for any direct, incidental or consequential damages resulting from its use. The data on this sheet applies only to products sold by corporate subsidiaries of The David J. Joseph Company and may not apply to products sold by others. Page 6 of 6 Issue Date 11/23/2015 Revision 1.00