MSDS for Molybdenum Dithiophosphate

Identification

Product Name: Molybdenum Dithiophosphate
Other Names: Moly DTP, MoDTP
Recommended Use: Lubricant additive, antiwear agent, antioxidant
Manufacturer: Commonly produced by specialty chemical companies serving the lubrication industry
Emergency Contact: Refer to company’s 24-hour phone for emergencies
Product Codes: Refer to batch, lot, or other applicable identifiers from the supplier’s documentation
Chemical Formula: C12H24MoO4PS4 (for one typical organic ester variant)
CAS Number: 68412-26-0 (typical variant, verify with product supplier)

Hazard Identification

Classification: Not classified as flammable, but the product can irritate eyes and skin and may cause systemic effects if inhaled or ingested in large quantities
Hazard Statements: Causes serious eye irritation, may cause skin irritation, harmful to aquatic life with long-lasting effects, may cause respiratory irritation
Health Hazards: Possible headache, dizziness, skin redness, respiratory irritation on exposure
Signal Word: Warning
Pictograms: Exclamation mark, Environment
Precautionary Statements: Avoid breathing dust or vapors, wash hands thoroughly after handling, use outdoors or in well-ventilated area, wear protective gloves and eye protection
Potential Routes of Exposure: Inhalation, ingestion, skin and eye contact
Symptoms: Eye redness, tearing, skin rash, throat irritation, shortness of breath in cases of inhalation

Composition / Information on Ingredients

Chemical Identity: Molybdenum Dithiophosphate
Active Ingredient: Mixed dialkyldithiophosphate of molybdenum (70–90%)
Other Ingredients: Non-hazardous organic solvents and diluents used as carriers (10–30%)
Impurities: May contain trace levels of phosphorus-containing compounds (below reportable thresholds)

First Aid Measures

Inhalation: Move the person to fresh air and keep comfortable for breathing. If symptoms persist, seek medical attention.
Skin Contact: Wash the affected area with plenty of soap and water. Remove contaminated clothing. If irritation develops, seek medical help.
Eye Contact: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Call a doctor if eye irritation persists.
Ingestion: Do not induce vomiting. Rinse mouth with water. Seek medical advice if you feel unwell or symptoms appear.
Most Important Symptoms: Skin and eye irritation, headache, dizziness. Delayed effects unlikely but medical guidance is advised on significant exposure.

Fire-Fighting Measures

Suitable Extinguishing Media: Use dry chemical, foam, carbon dioxide, or water spray
Unsuitable Extinguishing Media: High-volume water jet may spread spills
Specific Hazards: Burning can produce sulfur oxides, phosphorus oxides, molybdenum oxides, irritating fumes
Protective Equipment for Firefighters: Wear self-contained breathing apparatus and full protective gear
Special Procedures: Cool fire-exposed containers with water
Fire/Explosion Risks: Containers may rupture from pressure during intense heat
Decomposition Products: Toxic fumes generated during combustion; avoid inhalation

Accidental Release Measures

Personal Precautions: Wear chemical-resistant gloves, safety goggles, and protective clothing
Environmental Precautions: Prevent material from entering drains, surface water, or soil
Methods for Clean-Up: Absorb spill with inert material (sand, earth, diatomaceous earth) and collect for disposal
Spillage Response: Sweep up to minimize dust, ventilate area, wash residues with plenty of water—contain runoff
Waste Handling: Dispose of contaminated material in accordance with local regulations
Emergency Procedures: Evacuate personnel from area if large spill; notify authorities if environment is threatened

Handling and Storage

Handling: Avoid contact with skin and eyes, avoid inhalation of vapor or mist, use only in well-ventilated areas
Precautions: Do not eat, drink, or smoke while handling the product, wash thoroughly after use
Safe Storage Conditions: Store in tightly closed original containers, in a cool, dry, and well-ventilated place away from strong acids, oxidizers, and food/feed
Storage Temperature: Store between 5°C and 35°C
Special Requirements: Protect from freezing and direct sunlight; keep containers upright to prevent leakage
Incompatible Materials: Acids, oxidizing agents, strong reducing agents

Exposure Controls and Personal Protection

Engineering Controls: Use local exhaust ventilation or work in well-ventilated areas
Respiratory Protection: Use appropriate respirator with particulate filter for dusty or poorly ventilated environments
Hand Protection: Wear chemical-resistant gloves (nitrile, neoprene recommended)
Eye Protection: Use safety goggles or face shield
Skin Protection: Wear long-sleeved clothing and chemical-resistant apron
Occupational Exposure Limits: No ACGIH or OSHA limits for MoDTP; monitor for nuisance dusts (10 mg/m³ total, 3 mg/m³ respirable)
Hygiene Measures: Wash hands before breaks and after handling, remove contaminated clothing before entering eating areas

Physical and Chemical Properties

Appearance: Brown to reddish viscous liquid
Odor: Mild, characteristic
pH: Not applicable (non-aqueous)
Boiling Point: Not easily determined (decomposes before boiling)
Melting Point: Not applicable (liquid at room temperature)
Flash Point: Greater than 160°C (closed cup method)
Vapor Pressure: Low at room temperature
Solubility: Insoluble in water, soluble in organic solvents and mineral oils
Density: 1.05–1.15 g/cm³ at 20°C
Viscosity: High; 50–150 mm²/s at 40°C
Decomposition Temperature: >200°C
Explosive Properties: Not explosive
Oxidizing Properties: Not oxidizing

Stability and Reactivity

Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: No dangerous reactions known under normal use
Hazardous Reactions: Contact with strong acids/oxidizers can cause decomposition
Decomposition Products: Sulfur oxides, phosphorus oxides, molybdenum oxides, hydrocarbons, smoke
Conditions to Avoid: Excessive heat, open flames, contact with oxidizers/acids
Polymerization: Not known to polymerize

Toxicological Information

Acute Toxicity: Low acute toxicity for oral, dermal, and inhalation routes in animal studies; oral LD50 (rat): >5000 mg/kg
Skin Corrosion/Irritation: May cause mild to moderate irritation; prolonged contact increases risk
Eye Damage/Irritation: Causes eye irritation, managed by prompt rinsing
Respiratory Sensitization: Not a known respiratory sensitizer
Skin Sensitization: No sensitization observed in standard tests
Chronic Effects: No evidence of chronic toxicity in available studies; not listed as carcinogenic
Target Organs: Prolonged exposure may impact liver, kidneys if ingested in high quantities
Other Information: Contains oil-based carriers that may induce gastric upset or aspiration hazards if ingested

Ecological Information

Aquatic Toxicity: Harmful to aquatic life; typical EC50 (Daphnia magna): 1–10 mg/L
Persistence and Degradability: Limited biodegradability, persistent in sediment and soils
Bioaccumulation Potential: Possible bioaccumulation in aquatic organisms due to oil solubility
Mobility in Soil: Low mobility; binds to soil and sediment
Other Adverse Effects: Toxic to aquatic organisms through interruption of enzyme activity, disrupts cell membrane function in aquatic invertebrates

Disposal Considerations

Waste Disposal: Treat as hazardous waste; incinerate or dispose in licensed facility according to local environmental regulations
Packaging Disposal: Rinse and recycle containers if regulations permit; otherwise, treat as hazardous waste
Do Not: Discharge to waterways, sewers, or open ground
Disposal Recommendations: Consult waste disposal contractor or local authority for guidance
Special Precautions: Follow guidelines for oil-based and phosphorus-containing wastes

Transport Information

UN Number: Typically not classified as dangerous goods by transport regulations, but check with supplier and local law
Proper Shipping Name: Environmentally hazardous substance, liquid, n.o.s. (Molybdenum Dithiophosphate); may not apply to all variants
Transport Hazard Class: 9 (Miscellaneous dangerous substances, if classified); otherwise, not regulated
Packing Group: III (if regulated)
Marine Pollutant: Yes, if transported in bulk by sea
Special Precautions: Secure containers, avoid spillage during loading/unloading
Label Requirements: Environment pictogram, if applicable
Road/Rail (ADR/RID): Not regulated unless manufactured or supplied in large bulk
Air (ICAO/IATA): Not regulated for air transport in standard containers

Regulatory Information

Global Inventories: Registered under TSCA (US), EINECS/REACH (EU), DSL (Canada); check specific product for compliance
OSHA Status: Regulated as a hazardous chemical in the workplace
SARA Title III: Not subject to reporting under SARA 313, though components may be listed
WHMIS Classification: Eye and skin irritant (Canada)
EU Classification: Eye irritation, aquatic toxicity (per CLP Regulation)
Other Regulations: Observe local, national, and international regulations related to waste management, occupational exposure, and environmental protection
Label Information: Product labels must display product identifier, hazard statements, manufacturer and emergency contacts, precautionary measures
Worker Training: Training for safe handling and emergency procedures required in workplaces using this substance