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Product Name: Manganese Sulfate
Chemical Formula: MnSO4·H2O
Synonyms: Manganese(II) sulfate monohydrate, Sulfuric acid manganese(2+) salt monohydrate
Recommended Uses: Agriculture (fertilizer), feed additive, chemical manufacturing
Manufacturer/Distributor: Contact information provided by supplier
Emergency Phone: Refer to local regulations or manufacturer guidelines
Physical State: Pale pink crystalline powder
GHS Classification: Acute Toxicity (Oral/Category 4), Eye Irritation (Category 2A), Specific Target Organ Toxicity (Repeated Exposure/Category 2)
Signal Word: Warning
Hazard Statements: Harmful if swallowed, causes serious eye irritation, may cause damage to organs through prolonged or repeated exposure
Precautionary Statements: Avoid breathing dust, wash hands thoroughly after handling, wear protective gloves/eye protection
Component: Manganese sulfate monohydrate
CAS Number: 10034-96-5
Concentration: Typically 98-100%
Impurities: May contain traces of iron, heavy metals or other minerals depending on source
Inhalation: Remove individual to fresh air, keep at rest, seek medical help if symptoms persist
Skin Contact: Remove contaminated clothing, wash skin with plenty of water and soap
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses, seek medical advice if irritation develops
Ingestion: Rinse mouth with water, never give anything by mouth to an unconscious person, consult physician promptly
Suitable Extinguishing Media: Water spray, alcohol-resistant foam, dry chemical, carbon dioxide
Special Hazards: No flammable properties, but toxic gases like sulfur oxides may form by thermal decomposition
Protective Equipment for Firefighters: Use self-contained breathing apparatus and full protective gear
Personal Precautions: Use protective gloves, goggles, and dust mask, avoid dust formation
Environmental Precautions: Prevent entry to drains, surface water, or soil to minimize contamination
Cleanup Methods: Sweep or scoop spilled material into suitable container, avoid raising dust, dispose of in accordance with local regulations
Handling: Use with adequate ventilation, avoid inhalation and contact with skin or eyes, wash thoroughly after use
Storage: Keep containers tightly closed, store in cool, dry, well-ventilated place, protect from moisture and incompatible materials such as strong oxidizers
Occupational Exposure Limits: OSHA PEL (manganese compounds, ceiling): 5 mg/m³, ACGIH TLV: 0.02 mg/m³ (respirable), 0.1 mg/m³ (inhalable)
Engineering Controls: Local exhaust ventilation recommended
Personal Protection: Safety goggles, gloves, respiratory protection for dust, protective clothing recommended
Hygiene Measures: Do not eat, drink or smoke while using product, wash hands before breaks and after finishing work
Appearance: Pale pink, crystalline powder
Odor: Odorless
pH: Around 4.0 (5% solution)
Melting Point: Begins to decompose above 700°C
Solubility: Freely soluble in water
Boiling Point: Not applicable (decomposes before boiling)
Density: Approximately 2.95 g/cm³
Vapor Pressure: Not relevant at ambient temperature
Flash Point: Not flammable
Chemical Stability: Stable under recommended storage conditions
Possibility of Hazardous Reactions: Reacts with strong oxidizing agents
Hazardous Decomposition Products: Manganese oxides, sulfur oxides released under fire or heating
Incompatible Materials: Strong acids, alkalis, oxidizers
Acute Toxicity: Oral LD50 (rat): about 2,150 mg/kg
Skin Irritation: May cause mild irritation on prolonged contact
Eye Irritation: Risk of serious eye damage when exposed to solid or dust
Chronic Effects: Prolonged inhalation or ingestion can affect the nervous system, leading to manganism (a Parkinson-like syndrome), respiratory irritation possible
Carcinogenicity: IARC classifies manganese and its inorganic compounds as Group 2B (possibly carcinogenic), based on animal studies
Sensitization: Not reported as a skin sensitizer
Ecotoxicity: Harmful to aquatic organisms in high concentrations, may cause long-term effects in the aquatic environment
Persistence and Degradability: Inorganic, not readily biodegradable
Bioaccumulation: Manganese does not significantly bioaccumulate in aquatic organisms
Mobility in Soil: Mobile in moist soils, can migrate to groundwater
Other Adverse Effects: Large spills may contribute to eutrophication in water bodies
Waste Treatment Methods: Dispose of in line with federal, state, or local environmental control regulations
Product Disposal: Do not discharge into drains or waterways, use approved disposal facilities
Empty Containers: Rinse thoroughly, recycle or dispose as non-hazardous waste if allowed by authorities
Special Instructions: Consult environmental authorities to determine permissible disposal options
UN Number: Not classified as hazardous for transport under UN regulations
Transport Hazard Class: Not regulated
Packing Group: Not regulated
Environmental Hazards: Avoid release into environment during transportation
Special Precautions: Transport in sealed containers, keep dry, avoid mixing with incompatible substances
OSHA: Listed hazardous substance, subject to workplace exposure limits
TSCA: Listed on US Toxic Substances Control Act inventory
SARA Title III: Not a Section 302 or 313 extremely hazardous substance but reportable in large quantities
REACH (EU): Registered substance, subject to restrictions on environmental release
Other Regulatory Listings: Complies with requirements of various international chemical control laws, always review national and regional legislation for latest updates
