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Chemical Name: Rebamipide
Synonyms: 2-(4-chlorobenzoylamino)-3-(2-oxo-1,2-dihydroquinolin-4-yl)propanoic acid
Appearance: White crystalline powder
Odor: Practically odorless
Uses: Gut mucosal protection, ulcer treatment
Main Hazards: Eye and skin irritation from direct contact, minor respiratory discomfort due to dust
GHS Classification: Not classified as hazardous under many criteria, so most workers face little danger with routine handling.
Signal Word: No acute toxicity, so strict warning signage isn’t needed, yet eye and skin contact should still be avoided.
Active Substance: Rebamipide above 98 percent purity in research and pharmaceutical forms
Impurities: Trace solvent residues possible, unknown minimal byproducts from synthesis can exist in single-digit ppm, but rarely flagged at serious levels
No significant hazardous impurities commonly encountered during production
Skin Contact: Rinse with soap and water if powder lands on exposed skin
Eye Contact: Wash eyes out with plenty of water for several minutes if dust is introduced
Inhalation: Leave dusty area, find fresh air, restore normal breathing
Ingestion: Drink water to dilute, seek medical observation if a meaningful amount is swallowed, though evidence of heavy acute toxicity remains thin
Extinguishing Media: Water spray, dry chemical, foam, and carbon dioxide all work well
Combustion Risks: Non-combustible under everyday conditions, thermal decomposition generates CO, CO2, nitrogen oxides, so chemical fire gear matters in a real blaze
Firefighting Guidance: Wear full respiration protection and gloves, stand upwind in a larger fire, avoid inhaling smoke or residue
Personal Protection: Wear basic gloves, dust mask, and avoid direct dust exposure
Spill Cleanup: Sweep up carefully, place in a closed container for disposal, ventilate area
Environmental Steps: Prevent spill from entering drains or waterways; small spills rarely threaten local ecology but sensible attention matters
Handling: Use in well-ventilated spot, avoid eating or drinking in work area, wash up after contact
Storage: Keep container tightly closed, protected from light and moisture, away from strong acids and bases
Temperature: Store at standard room temperature; freezing or heating above boiling not recommended due to stability and degradation concerns
Engineering Controls: Local exhaust or lab hood if processing powder
Personal Protection: Nitrile gloves, basic eye protection, N95-style mask for prolonged powder work
Occupational Limits: No established exposure limits or occupational threshold values, so labs rely on good practice and basic hygiene
Physical State: Solid powder
Color: White
Melting Point: About 294–296°C
Solubility: Poor in water, better in polar organic solvents
Stability: Stable under standard temperature and humidity, may degrade in light or strongly acidic/alkaline conditions
Odor: None to faint
Stability: Stays intact without light, extremes of pH, or high heat
Reactivity: Reacts with strong acids or bases, strong oxidants; generally resists reaction with common chemicals in the workplace
Hazardous Decomposition: Heat can liberate carbon oxides, nitrogen oxides
Polymerization: Does not polymerize
Acute Toxicity: Oral and dermal toxicity remain very low—animal studies suggest high safety margins
Chronic Exposure: No reliable evidence links long-term handling to organ damage or sensitization in people
Mutagenicity/Carcinogenicity: No clear evidence for genotoxicity or carcinogenicity in standard tests
Symptoms of Exposure: Possible mild eye or respiratory irritation from powder, rarely rash with sensitive skin
Allergy Risk: Limited, but always possible whenever handling fine organics
Aquatic Toxicity: Minimal at typical use or accidental release levels
Degradability: Breaks down in soil and water over time—persistence unlikely in most cases
Environmental Concerns: No chronic hazard at manufacturing or formulation sites, yet prudent disposal limits local impact
Disposal Methods: Preferred by incineration in a licensed facility
Container Disposal: Triple-rinse and send for chemical waste collection, avoid landfill dumping
Avoid pouring residue or washings into drains or soil, as best practice supports managed destruction
UN Number: Not classified as a dangerous good for land, sea, or air shipping
Labels: No strict hazard or warning labels needed
Precautions: Ship in tightly sealed containers, protected from moisture and strong movement; basic bioactive handling rules help avoid spills during transit
Safety Registration: Registered for pharmaceutical use in many countries, subject to Good Manufacturing Practice controls
Labelling: Calls for standard chemical labeling, not flagged under most chemical hazard frameworks
Worker Protection: Covered under workplace chemical hygiene plans, outlined in national and local worker safety laws where used
