Product Name: Magnesium Citrate Anhydrous
Chemical Formula: C6H6MgO7
Synonyms: Citric acid magnesium salt, Magnesium citrate
CAS Number: 3344-18-1
Use: Food additive, laboratory chemical, pharmaceutical ingredient
Recommended Supplier: Chemical and ingredient supply companies serving food, pharmaceutical, and industrial markets
Contact for Emergency: Local chemical emergency services or Poison Control center as listed on original packaging
GHS Classification: Not classified as hazardous according to GHS
Signal Word: None
Hazard Statements: Generally regarded as safe in typical use but dust may irritate eyes, skin, and lungs
Precautionary Statements: Minimize dust creation, avoid contact with mucous membranes
Potential Health Effects: Short-term inhalation may cause mild respiratory irritation; skin or eye contact may cause mechanical irritation
Substance: Magnesium Citrate Anhydrous
Chemical Identity: C6H6MgO7
CAS Number: 3344-18-1
Purity: Usually found at >98% purity
Impurities: Trace levels of citric acid and moisture
Inhalation: Move individual to fresh air; seek medical advice if coughing or discomfort persists
Skin Contact: Wash skin thoroughly with soap and water to remove powder; consult a healthcare provider if irritation continues
Eye Contact: Flush eyes gently with plenty of water for at least fifteen minutes, holding eyelids open; avoid rubbing to prevent abrasion
Ingestion: Rinse mouth out with water; seek medical attention if large quantities consumed or if feeling unwell
Symptoms Possible: Cough, mild throat irritation, eye watering, redness
Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Unsuitable Media: None known for this material
Specific Hazards: Fine dust may form explosive mixtures with air when agitated
Protective Equipment: Firefighters should use self-contained breathing apparatus plus protective clothing
Decomposition Products: Oxides of magnesium, carbon oxides, and low levels of smoke under combustion conditions
Personal Precautions: Wear goggles and dust mask or respirator in case of significant release; avoid dry sweeping
Environmental Precautions: Avoid discharge to natural waters, storm drains, or soil
Methods for Cleanup: Scoop or vacuum up spillage, use dustless systems or wet methods to minimize airborne powder, dispose according to local requirements
Handling: Use with adequate ventilation, avoid generating dust, wear proper protective gear
Storage: Store in tightly sealed containers in cool, dry, well-ventilated areas
Keep Away From: Moisture, acids, oxidizing agents
Special Advice: Avoid eating, drinking, or smoking during handling; always wash hands after using this material
Engineering Controls: Provide local exhaust in areas of high dust generation
Personal Protection: Dust-resistant goggles, gloves, and respiratory protection under excessive dust conditions
Occupational Exposure Limit: No established limit for magnesium citrate anhydrous; general nuisance dust limits apply (e.g., OSHA PEL for particulates not otherwise regulated: 15 mg/m3 total dust, 5 mg/m3 respirable fraction)
Hygiene Measures: Change out of contaminated clothing; wash thoroughly before eating or drinking
Appearance: White or off-white fine powder
Odor: Odorless
Melting Point: Decomposes above 180°C (356°F)
Boiling Point: Not applicable (decomposes)
Solubility: Slightly soluble in water; practically insoluble in ethanol
pH (1% Aqueous): 6.0 – 8.0
Bulk Density: 0.60–0.80 g/cm3
Other Properties: Stable under standard conditions, non-volatile
Chemical Stability: Stable under normal temperatures and storage conditions
Conditions to Avoid: Moisture, excessive heat, open flames
Incompatible Materials: Strong acids, strong oxidizing agents
Hazardous Decomposition: Magnesium oxide, carbon dioxide, minor organics possible under burning or very high heat
Polymerization: Will not occur under proper handling
Likely Exposure Routes: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity: Low oral toxicity; large amounts may cause gastrointestinal discomfort
Skin/Eye Contact: Mild irritation in sensitive individuals due to particle effects
Chronic Effects: Not expected under normal use; long-term exposure to dust can aggravate lung conditions
Sensitization: Not known to cause allergic reactions
Mutagenicity/Carcinogenicity: No data indicating carcinogenic or mutagenic potential
Ecotoxicity: Not considered hazardous to aquatic life at typical discharge levels
Persistence and Degradability: Readily biodegradable; natural mineral forms break down without forming persistent pollutants
Bioaccumulation Potential: Not expected to bioaccumulate
Other Adverse Effects: Large, unmanaged releases to water may alter local pH and cause mild nutrient loading
Waste Disposal Methods: Dispose in accordance with local, regional, and national environmental regulations
Waste Characteristic: Not classified as hazardous waste under RCRA
Packaging: Empty containers should be rinsed and sent for recycling or disposal at approved sites
Do Not: Discharge unchanged material into surface water drains
UN Number: Not regulated for transport
Proper Shipping Name: Not considered dangerous goods
Hazard Class: Non-hazardous
Packing Group: Not assigned
Special Precautions: Avoid shipping with incompatible materials (strong acids or oxidizers)
OSHA: Not regulated as hazardous
TSCA: Listed in the TSCA Inventory
FDA: Generally recognized as safe (GRAS) for intended food and pharmaceutical uses
REACH: Exempt or pre-registered
Other Regulations: Follow workplace exposure limits for general dust; product may appear in country-specific inventories or food safety codes
