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Chemical Name: Disodium Magnesium Ethylenediaminetetraacetate Hydrate
Common Name: EDTA Magnesium Disodium Salt, Hydrated Form
Chemical Formula: C10H12MgN2Na2O8 · xH2O
Appearance: White to off-white crystalline powder
Odor: Odorless
Solubility: Easily dissolves in water, forming a clear solution
Recommended Use: Metal chelation in laboratory and industrial environments, water treatment, agriculture as micronutrient source
Restriction: Do not use in food, pharmaceuticals, or inhalable powders without regulatory clearance
Main Hazards: Dust irritation, potential eye and skin irritation, slight risk of ingestion discomfort
GHS Classification: Low level irritation, not acutely toxic by standard routes
Pictogram: Exclamation mark signaling minor irritant risk
Target Organs: Eyes, skin, respiratory system when granular dust floats
Routes of Exposure: Inhalation of dust, skin and eye contact, accidental ingestion
Symptoms: Minor redness, coughing, mild gastrointestinal discomfort after accidental ingestion
Main Component: Disodium Magnesium Ethylenediaminetetraacetate Hydrate
Purity: Usually above 97% with minor hydration differences
Impurities: Low-level sodium salts, possible trace magnesium hydroxide, water of hydration varies with storage humidity
No Known Additives: Product typically straightforward without blending agents
Eye Contact: Rinse eyes gently with water for several minutes, remove contact lenses if present, keep eyelids open
Skin Contact: Wash exposed area with mild soap and water
Inhalation: Move to fresh air, rest, rinse mouth with water if cough starts, seek assessment if breathing discomfort persists
Ingestion: Rinse mouth, drink water to dilute, observe for abdominal symptoms, see a healthcare provider for persistent discomfort
Extra Tip: Avoid rubbing eyes or scratching skin after accidental contact, use cool running water to remove dust thoroughly
Suitable Extinguishers: Use water spray, dry chemical powder, or CO2 extinguishers for container fires
Risks: Substance does not easily ignite, but in fire conditions can decompose to emit carbon oxides and nitrogen oxides
Protective Equipment: Standard firefighting bunker gear, self-contained breathing apparatus
Special Hazards: Avoid inhaling smoke or thermally-generated dust, certain forms may cake and impede runoff
Instructions: Cool surrounding containers with water spray if exposed to heat, keep fire-exposed drums well separated
Personal Precautions: Wear gloves, safety goggles, dust mask
Environmental Precautions: Do not allow fine powder to disperse outside work zone, minimize down-drain disposal
Clean-Up Methods: Sweep up gently, avoid stirring up dust clouds; transfer to sealable containers for disposal
Spill Area Decontamination: Rinse surface with water, wipe down with damp disposable towels
Prevention: Keep containers closed when not in use, ventilate indoor use areas
Handling: Use gloves and goggles, avoid making dust, wash hands after use, keep ventilation active in the workspace
Storage: Store in cool, dry, well-ventilated area away from acids and oxidizing agents
Container Management: Keep original container tightly closed, use only non-reactive, clearly labeled packaging
Incompatibilities: Strong acids, oxidizers, and moisture-laden environments, as they break down the chelating structure
Storage Temperature: Typical room temperature, stable below 30°C, keep out of direct sunlight
Engineering Controls: Use local exhaust ventilation or dust extraction systems
Personal Protection: Nitrile gloves, chemical splash goggles, dust-respirator for bulk handling
Hygiene: No food or drink in work area, wash thoroughly before breaks
Work Practice: Avoid inhaling dust, minimize hand-to-face contact during handling
Occupational Limits: No specific regulatory exposure limits set for this compound; general nuisance dust limits apply
Physical State: Crystalline powder
Color: White to off-white
Odor: No characteristic smell
Melting Point: Decomposes without clear melting under normal pressure
Solubility in Water: Freely soluble
Stability in Solution: Remains stable for weeks if kept free from strong acids and bases
pH (of 1% solution): Typically mildly alkaline
Other Features: Dusts easily form from vigorous pouring, handle with slow pour
Chemical Stability: Stable under recommended storage and handling conditions
Decomposition: Generates water vapor, carbon oxides, nitrogen oxides if burned
Reactivity: Not highly reactive, avoid mixing with acids or oxidizers to prevent breakdown of chelation function
Polymerization: Does not polymerize
Dangerous Reactions: Contact with strong acids releases potentially irritating gases
Acute Oral Toxicity: Low, but large amounts could cause gastrointestinal upset
Skin and Eye Contact: Dust may cause redness, itchiness, or mild irritation
Respiratory Exposure: Inhalation of dust generates a scratchy or itchy feeling in throat and nose
Chronic Exposure: No evidence of carcinogenicity or sensitization in available literature
Sensitization: Not believed to trigger allergic skin or respiratory reactions in typical exposures
Environmental Fate: Relatively persistent in water and soil, breaks down slowly
Aquatic Toxicity: At high concentrations, chelating agents imbalance metal ions in water, can affect aquatic life
Persistence: Strong chelator, stays active in environment until breakdown by microbes
Mobility: Moves freely with water, runoff risk around storage areas
Bioaccumulation: Does not gather in aquatic or terrestrial organisms meaningfully
Waste Handling: Collect spilled material for solid waste disposal in accordance with local, regional, and national regulations
Water Disposal: Small amounts in normal wastewater typically harmless, do not flush bulk waste
Container Disposal: Rinse containers thoroughly, recycle or dispose according to chemical waste protocols
Landfill Guidance: Suitable after solidification and in moderate quantities per regulatory authority
UN Status: Not classified as hazardous for road, rail, air, or sea under most regional guidelines
Packing Recommendations: Moisture-proof, strong packaging to prevent leaks
Transport Precautions: Prevent spillage and dust escape during loading and unloading
Transport Label: No hazard labeling required unless mixed with other dangerous goods
Global Inventory Status: Appears on most major chemical inventories for industrial use
Labeling: Requires workplace hazard communication labeling, safety data available for users
Worker Protections: Encourage use of protective gear and hazard training
Restrictions: Use permitted for laboratory, water treatment, agriculture in most countries; food applications require separate scrutiny
Environmental Regulations: Local authorities may limit discharge concentrations to prevent water metal chelation
