Product Name: Malonic Acid
Chemical Name: Propanedioic Acid
Synonyms: Methylenedicarboxylic Acid
CAS Number: 141-82-2
Molecular Formula: C3H4O4
Molecular Weight: 104.06 g/mol
Recommended Use: Research, chemical synthesis, specialty manufacturing
Supplier: Chemical distributor or manufacturer contact details provided on packaging
Emergency Contact Number: Refer to local and international emergency contact lines supplied on label
GHS Classification: Acute toxicity (oral), Skin irritation, Eye irritation
Hazard Statements: Harmful if swallowed, causes skin and eye irritation
Pictograms: Exclamation mark
Signal Word: Warning
Precautionary Statements: Wash hands after handling, avoid breathing dust, wear protective gloves, eye protection
Potential Health Effects: Inhalation may cause respiratory tract irritation; skin contact leads to redness, dryness; ingestion may cause nausea, gastrointestinal discomfort
Environmental Hazards: May cause some hazard to aquatic life
Chemical Name: Malonic Acid
Concentration: 99% or higher
CAS Number: 141-82-2
Impurities: Negligible in laboratory-grade material
Mixture or Substance: Substance
Inhalation: Move person to fresh air, seek medical attention if breathing remains difficult, provide oxygen support if trained to do so
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing, seek medical help if irritation persists
Eye Contact: Rinse cautiously with water for at least 15 minutes, consult a doctor immediately, remove contact lenses if present and easy to do
Ingestion: Rinse mouth with water, do not induce vomiting, seek immediate medical help
Most Important Symptoms: Eye redness, skin burn, coughing, gastrointestinal upset
Medical Attention Needed: Immediate evaluation by healthcare professional for all significant exposures
Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, foam
Unsuitable Media: Strong water jets may spread powder
Specific Hazards: Emits irritating fumes of carbon oxides when heated or burned
Protective Equipment: Full turnout gear, self-contained breathing apparatus
Special Procedures: Avoid inhalation of combustion products, move containers from fire area if safe to do so, use standard firefighting techniques, keep surrounding containers cool
Personal Precautions: Wear gloves, protective eyewear, and dust mask
Environmental Precautions: Prevent entry into waterways, drains, or soil
Containment: Avoid dispersing dust, isolate spill area, ventilate area
Cleanup Methods: Sweep up using non-sparking tools, place in container for disposal, wash affected area after removal
Decontamination: Use water for final cleaning of surfaces, avoid creating dust clouds
Handling: Avoid contact with skin, eyes, and clothing, handle in a well-ventilated area, use gloves and goggles, keep container tightly closed, avoid breathing dust
Storage: Store in a cool, dry place away from incompatible substances such as strong oxidizers and bases, keep out of direct sunlight, store in tightly sealed containers, segregate from foodstuffs
Specific Use(s): Laboratory chemicals, reagents
Occupational Exposure Limits: No established ACGIH or OSHA limits
Engineering Controls: Use local exhaust ventilation, work in fume hood if available
Personal Protective Equipment: Protective gloves, laboratory coat, safety glasses with side shields, respiratory protection if airborne concentrations increase
Hygiene Measures: Wash hands before eating or drinking, avoid eating in laboratory
Appearance: White crystalline solid
Odor: None or very faint
Odor Threshold: Not available
pH: Slightly acidic in aqueous solution
Melting Point/Range: 135–137°C
Boiling Point/Range: Decomposes before boiling
Flash Point: Not flammable
Flammability: Not classified as flammable
Vapor Pressure: Not significant at ambient temperature
Density: 1.619 g/cm³
Solubility in Water: Soluble
Partition Coefficient: Log Pow -0.81
Chemical Stability: Stable under normal conditions
Conditions to Avoid: High temperatures, exposure to moisture, sources of ignition
Incompatible Materials: Strong oxidizing agents, strong bases, reducing agents
Hazardous Decomposition Products: Carbon dioxide, carbon monoxide under fire conditions
Hazardous Reactions: None expected in standard storage and handling
Acute Toxicity: Oral LD50 (rat): ~1,320 mg/kg
Skin Corrosion/Irritation: Causes irritation, prolonged exposure increases severity
Serious Eye Damage/Irritation: Irritating to eyes
Respiratory or Skin Sensitization: Not a known sensitizer
Mutagenicity: Not expected to be mutagenic
Carcinogenicity: Not listed as carcinogen by IARC, NTP, OSHA
Reproductive Toxicity: No known adverse reproductive effects
Specific Target Organ Toxicity: No reported case of target organ effects
Ecotoxicity: Potential for moderate toxicity to aquatic organisms
Persistence and Degradability: Expected to biodegrade relatively quickly
Bioaccumulative Potential: Low potential for bioaccumulation
Mobility in Soil: High, due to solubility in water
Other Adverse Effects: Use best practices to avoid environmental releases
Waste Treatment Methods: Dispose of in accordance with local, regional, and national regulations
Disposal of Product: Incineration or landfill at approved site
Disposal of Packaging: Triple rinse containers, offer for recycling or dispose of as chemical waste
Precautions: Avoid discharge to sewers, prevent environmental contamination
UN Number: Not regulated for transport
UN Proper Shipping Name: Not classified as dangerous goods
Transport Hazard Class(es): Not applicable
Packing Group: Not applicable
Environmental Hazards: Not a marine pollutant
Special Precautions: Handle using protective measures
TSCA: Listed on US Toxic Substances Control Act inventory
EINECS: 205-503-0
REACH Registration: Exempt or registered as appropriate
OSHA: No specific standards but subject to general chemical safety requirements
SARA Title III: Not listed as a hazardous chemical
Other Applicable Regulations: Subject to workplace health and environmental regulation in many countries
