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Product Name: Quercetin
Chemical Name: 3,3',4',5,7-Pentahydroxyflavone
CAS No: 117-39-5
Molecular Formula: C15H10O7
Molecular Weight: 302.24 g/mol
Synonyms: Sophoretin, Meletin
Intended Use: Laboratory chemicals, research, dietary supplementation
Supplier Details: Refer to supplier’s label for manufacturer, emergency phone numbers, and office location
Hazard Classification: Not classified under GHS for acute toxicity or environmental hazards
Signal Word: Not applicable
Pictogram: No symbol required
Potential Health Effects: Possible mild irritation of eyes, skin, and respiratory tract; ingestion at high levels can lead to gastrointestinal discomfort
Precautionary Statements: Avoid dust formation, handle with care to prevent accidental exposure
Label Elements: Handle in dust-controlled areas, consider personal protection if exposure exceeds normal levels
Substance: Pure compound
Common Name: Quercetin
Concentration: ≥ 98% (pure grade)
Impurities: Trace solvent, plant-derived residuals may be present at under 1%
Other Ingredients: None intended
EC Number: 204-187-1
Inhalation: Move to fresh air, seek attention if breathing becomes difficult or symptoms appear
Skin Contact: Wash with water and mild soap, remove contaminated clothing, medical advice if irritation continues
Eye Contact: Rinse with clean water for several minutes, contact physician if discomfort persists
Ingestion: Rinse mouth, drink water, do not induce vomiting, seek medical attention in case of significant exposure
Notes for Physician: Treat symptomatically, specific antidote not known
Suitable Extinguishing Media: Use dry powder, carbon dioxide, foam, or water spray, as appropriate for surrounding substances
Specific Hazards: May release carbon oxides and combustion gases if exposed to fire
Protective Equipment: Wear full protective clothing, use self-contained breathing apparatus
Advice for Firefighters: Avoid inhalation of combustion products, ensure good ventilation at the scene
Personal Precautions: Avoid generating dust, ventilate spill area, wear gloves and appropriate respiratory protection if necessary
Environmental Precautions: Prevent runoff into soil, drains, and waterways
Method for Clean-Up: Collect with an industrial vacuum or damp mop, minimize dust generation, transfer to suitable waste container
Disposal: Handle as chemical waste according to local regulations
Decontamination: Wash spill area thoroughly with water after clean-up
Handling: Use with local exhaust ventilation, minimize dust formation, use personal protective equipment as recommended
Storage: Keep container tightly closed in cool, dry, well-ventilated place, avoid direct sunlight and high humidity
Material Incompatibility: Strong acids, strong oxidizers
Specific Practices: Keep away from foodstuffs and beverages, label containers appropriately, keep out of reach of children
Engineering Controls: Work in chemical fume hood or area with good mechanical exhaust
Personal Protective Equipment: Gloves (nitrile or latex), safety goggles, laboratory coat
Respiratory Protection: Use NIOSH-approved mask for dust if exposure limits could be exceeded
Work/Hygienic Practices: Wash hands after handling, do not eat, drink, or smoke during use
Exposure Limits: No occupational exposure limits established
Physical State: Solid
Color: Yellow crystalline powder
Odor: Odorless or slight plant-like odor
Melting Point: 316°C – 317°C
Boiling Point: Not applicable, decomposes on heating
Solubility: Insoluble in cold water, slightly soluble in hot water, soluble in ethanol, methanol, DMSO
pH: Not applicable
Flash Point: No data
Auto-ignition Temperature: No data
Vapor Pressure: Not applicable (solid at room temperature)
Chemical Stability: Stable under standard laboratory conditions
Conditions to Avoid: Excess heat, open flames, light, moisture
Incompatible Materials: Strong oxidizing agents, strong acids
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, other hazardous fumes under fire conditions
Reactivity: No hazardous reactivity expected under recommended handling
Acute Toxicity: Oral LD50 (rat) > 1600 mg/kg
Chronic Toxicity: Repeated exposure unlikely to create significant health hazards at laboratory use levels, long-term safety data for high human intake remains limited
Possible Effects: Irritation of mucous membranes or skin, allergic reactions rare but possible
Carcinogenicity: No components identified as carcinogenic by OSHA, NTP, IARC
Mutagenicity/Teratogenicity: No evidence from available studies
Special Note: Dietary supplements are regulated differently than drugs; adequate safety data is necessary for food use claims
Ecotoxicity: Low acute aquatic toxicity expected, not classified as dangerous for the environment by GHS standards
Persistence and Degradability: Readily biodegradable according to available study data
Bioaccumulative Potential: Low potential for bioaccumulation
Mobility in Soil: Limited based on substance’s properties
Other Adverse Effects: None anticipated based on current data, but widespread release to environment should be avoided
Waste Treatment Methods: Dispose as chemical waste through properly licensed disposal contractor
Unused Product: Collect and seal in labeled container, do not discharge to sewer
Contaminated Packaging: Triple rinse and send for regulated disposal if possible
Regulatory Waste Numbers: None assigned at federal level, check local/state requirements
Special Precautions: Avoid dust and possible environmental contamination during discarding
UN Number: Not regulated for transport
UN Proper Shipping Name: Not assigned
Transport Hazard Class: Not classified as dangerous goods
Packing Group: Not applicable
Special Transport Precautions: Protect from physical damage and moisture during transport, keep containers tightly closed
Air/Sea/Road Transport: No restrictions under existing regulations for this chemical
TSCA: Listed
EINECS: 204-187-1
DSL/NDSL: Listed
REACH Status: Pre-registered in European Union
California Proposition 65: Not listed
OSHA Hazards: Not considered hazardous
Other National Inventories: Check specific country requirements for any import/export control, labeling, or usage limitations
Labeling Requirements: Maintain appropriate hazard and precautionary statements on all packaging, follow workplace labeling guidelines
