Chemical Name: Quercetin Quinone
Synonyms: Oxidized Quercetin, Quercetin Oxidation Product
CAS Number: 117-39-5
Molecular Formula: C15H8O7
Molecular Weight: 300.22 g/mol
Manufacturer: Specialty Chemical Suppliers
Recommended Use: Laboratory research, chemical synthesis, antioxidant studies
Restrictions: Not for use in food, drug, or household products
Emergency Contact: CHEMTREC: 1-800-424-9300
Product Number: QQN-2024-04
GHS Classification: Acute toxicity, Category 4; Skin irritation, Category 2; Eye irritation, Category 2A
Signal Word: Warning
Hazard Statements: Harmful if inhaled, May cause skin and eye irritation, Possible respiratory tract irritation
Pictograms: Exclamation mark
Precautionary Statements: Avoid breathing dust or fumes, Use protective gloves/eye protection, If on skin: wash thoroughly, Seek medical attention if irritation persists
Potential Health Effects: Inhalation may cause cough, dizziness, headache; Skin exposure may lead to redness, dryness; Eye contact may result in pain, redness, blurred vision
NFPA Ratings: Health - 2, Flammability - 1, Reactivity - 1
Substance: Quercetin Quinone
Concentration: ≥ 98% purity
Impurities or Stabilizing Additives: None reported
Chemical Characterization: Organic polyphenolic compound, flavonoid derivative
Other Ingredients: No known hazardous stabilizers or fillers
CAS Number: 117-39-5
EC Number: 204-187-1
Inhalation: Move person to fresh air at once, Loosen tight clothing, If symptoms of breathing difficulty or dizziness develop seek medical attention
Skin Contact: Remove contaminated clothing, Rinse skin with copious water for at least fifteen minutes, Use mild soap if available, If irritation persists call a physician
Eye Contact: Flush eyes immediately with plenty of water, Remove contact lenses if present and continue rinsing, Seek prompt medical examination if pain, redness, or vision changes occur
Ingestion: Rinse mouth with water, Do not induce vomiting unless directed by medical personnel, Offer water if victim is conscious, Get medical advice if symptoms such as nausea or vomiting appear
Advice for Physicians: Treat symptomatically, Provide supplemental oxygen if required, Immediate supportive care recommended
Suitable Extinguishing Media: Carbon dioxide, dry chemical powder, foam for small fires, water spray for larger volumes
Unsuitable Extinguishing Media: High-pressure water jets may spread dust
Hazards from Combustion: Emits toxic fumes including carbon monoxide, carbon dioxide, possibly phenolic compounds
Protective Equipment: Wear self-contained breathing apparatus, Full protective body suits recommended
Fire-Fighting Procedures: Move undamaged containers from fire area if possible without risk, Cool exposed containers with water spray, Avoid inhaling combustion products
Explosion Data: Product may form combustible dust-air mixtures
Personal Precautions: Evacuate area if significant dust present, Ventilate affected area, Wear protective gear including gloves, safety goggles, and dust mask or respirator
Environmental Precautions: Prevent dust run-off into drains, sewers, or waterways
Methods for Cleaning Up: Carefully collect spilled powder with shovel or dustpan, Avoid creating airborne dust, Place in a suitable, closed, labeled waste container, Use damp mop or absorbent material to finish clean-up, Dispose according to local regulations
Decontamination: Clean spill area with water after initial pick-up, Avoid use of strong oxidizing cleaners
Handling Precautions: Prevent dust formation, Use adequate ventilation or processing enclosures, Handle with gloves, Do not eat, drink, or smoke while using product, Observe good industrial hygiene
Storage Conditions: Keep container tightly closed in a well-ventilated, dry, cool area, Store away from direct sunlight and strong oxidizers, Avoid exposure to moisture and incompatible substances
Packaging Materials: Use high-grade polyethylene or glass containers, Avoid containers made of reactive metals
Other Handling Instructions: Label containers clearly, Store away from foodstuffs and incompatible chemicals
Exposure Limits: No established OSHA or ACGIH limits for Quercetin Quinone; manage as nuisance dust below 10 mg/m3 (inhalable)
Engineering Controls: Work in fume hood or well-ventilated area, Enclosures and dust extraction recommended
Personal Protective Equipment: Chemical-resistant gloves (nitrile or latex), Safety glasses or chemical splash goggles, Laboratory coat or full-body suit, NIOSH-approved dust respirator for high dust concentrations
General Hygiene: Wash hands and forearms after handling, Remove contaminated clothing for cleaning, Never touch face or eyes while handling chemical
Appearance: Yellow-orange crystalline or powder solid
Odor: Odorless or mild phenolic scent
Melting Point: 310-320°C (decomposes)
Boiling Point: Not determined
Solubility: Insoluble in water, soluble in DMSO, methanol, ethanol
pH Value: Not applicable (insoluble in water)
Vapor Pressure: Negligible at room temperature
Density: ~1.7 g/cm3
Partition Coefficient (Log Kow): Not available
Flash Point: Not established
Evaporation Rate: Not applicable
Auto-Ignition Temperature: Not determined
Viscosity: Not applicable
Decomposition Temperature: 310-320°C
Chemical Stability: Stable under recommended storage conditions, Sensitive to prolonged heat, moisture, and air exposure
Possibility of Hazardous Reactions: Reacts with strong oxidizing agents or acids
Conditions to Avoid: Direct sunlight, high humidity, excessive heat, open flames
Incompatible Materials: Strong acids, strong oxidizers, reducing agents, reactive metals
Hazardous Decomposition Products: Phenolic vapors, carbon monoxide, carbon dioxide, other organic compounds
Routes of Exposure: Inhalation, dermal, ocular, ingestion
Acute Toxicity: LD50 (oral, rat): Data unavailable; similar compounds indicate moderate toxicity
Chronic Effects: Repeated or prolonged exposure can cause sensitization of skin or respiratory tract, May promote oxidative stress in biological tissues
Carcinogenicity: No human data; not classified by IARC, NTP, or OSHA
Reproductive Toxicity: No data; structurally similar compounds show little evidence for reproductive risk
Target Organs: Skin, eyes, respiratory system
Additional Data: In vitro studies report oxidative and pro-oxidant activity, Recommend using caution for prolonged or high-level exposure
Environmental Impact: Limited specific studies, Potential toxic effects on aquatic organisms inferred from similar phenolic compounds
Mobility in Soil: Likely to persist, low solubility suggests minimal groundwater mobility
Persistence and Degradability: Anticipated to degrade slowly under environmental conditions
Bioaccumulation Potential: Low to moderate (estimated)
Aquatic Toxicity: No ratings established, General precautions recommended to avoid environmental release
Other Adverse Effects: No evidence for ozone depletion or long-range environmental impacts
Waste Treatment Methods: Collect unused product and contaminated materials in tightly sealed, labeled containers for hazardous chemical disposal
Disposal of Product: Incinerate at licensed hazardous waste facility or follow state and local laws for organic chemical waste
Disposal of Packaging: Triple-rinse empty containers before disposal or reconditioning, Follow all applicable laws for hazardous packaging disposal
Environmental Awareness: Do not discharge into drains, sewers, or natural bodies of water
UN Number: None assigned
UN Proper Shipping Name: Not regulated as dangerous good under UN, DOT, IATA, IMDG
Transport Hazard Class: Not regulated
Packing Group: Not applicable
Marine Pollutant: Not classified
Special Precautions: Avoid packaging or transport with strong acids, oxidizers, or foodstuffs, Secure tightly to prevent dust release
Transport Label Requirements: Normal labeling for laboratory chemicals
TSCA Inventory: Not listed
SARA Title III Section 313: Not listed
California Proposition 65: Not listed as a chemical known to cause cancer or reproductive toxicity
REACH Registration: Not registered; laboratory R&D exemption may apply
Other International Regulations: Not subject to major international chemical control requirements, Observe workplace safety standards approved in your jurisdiction
Labeling Requirements: Product name, hazard pictograms, risk phrases, precautionary statements, supplier identification
