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Substance Name: 1-Hydroxycyclobut-1-ene-3,4-dione
Chemical Family: Cyclobutene derivatives
Synonyms: No common synonyms in widespread use
CAS Number: Information not widely catalogued in major chemical registries
Appearance: Generally observed as a crystalline solid in studies involving cyclobutenediones
Odor: Characteristic, though specifics undocumented in public literature
Recommended Uses: Research and development applications in synthetic organic chemistry, limited known industrial use
Physical Hazards: Likelihood of dust formation during handling, low flash point typical in similar small ring diketone compounds
Health Hazards: Suspected irritant to the skin, eyes, and respiratory system as reported with other cyclobutene-diones
Signal Word: Caution advised due to unknown acute toxicity and potential reactivity
GHS Classification: Not formally classified, though precautionary suggestions could include "Irritant" categories
Potential Effects: May cause coughing, sneezing, redness, or discomfort if inhaled or in contact with skin or eyes
Chemical Composition: Pure compound, no known commercial mixtures
Active Constituents: 1-Hydroxycyclobut-1-ene-3,4-dione as sole ingredient
Impurities: Research-grade preparations report trace solvents or byproducts from synthesis
Inhalation: Remove person to fresh air; encourage slow breathing, seek medical attention if irritation persists
Ingestion: Rinse mouth, offer water if conscious; seek professional help due to unknown toxicity
Skin Contact: Wash thoroughly with soap and water
Eye Contact: Rinse cautiously with water for several minutes; remove contact lenses if present and easy to do
General Advice: Always contact a healthcare provider if adverse symptoms arise and persist
Suitable Extinguishing Media: Use dry chemical, CO2, alcohol-resistant foam, or water spray
Fires & Explosions: Limited data, but consider dust and vapor as flammable in closed spaces
Specific Hazards: Combustion may produce carbon oxides, hazardous fumes
Protective Equipment: Wear self-contained breathing apparatus, protective gloves, and flame-resistant clothing around the material
Personal Precautions: Ventilate area, use personal protective equipment such as gloves, goggles, and face covering
Environmental Precautions: Prevent spill runoff into drains or water sources
Cleanup Methods: Sweep up without generating dust; store waste in sealed, labeled containers for disposal
Decontamination: Wash surrounding area with plenty of water and soap once bulk is removed
Safe Handling: Avoid dust formation, handle in well-ventilated areas, never eat or drink when working with this chemical
Safe Storage: Store tightly sealed in a cool, dry place away from sources of ignition and moisture
Incompatible Materials: Avoid oxidizing agents, strong acids, or bases due to potential for hazardous reactions
Special Considerations: Secure access to minimize exposure to untrained individuals
Engineering Controls: Employ fume hoods or local exhaust around points of dust or vapor release
Personal Protection: Use chemical-resistant gloves, safety goggles, and lab coats at minimum
Respiratory Protection: Respirators recommended for work above dust or vapor threshold
Hygiene Measures: Wash hands after handling, avoid contact with face until gloves are removed
Exposure Guidelines: Established occupational limits are not available for this material, treat as potentially hazardous
Molecular Formula: C4H2O3
Molecular Weight: Approximately 98.06 g/mol
Color: Reports indicate white to pale yellow solid in most isolated forms
Odor: Data not definitive
Melting Point: Not broadly published, expected below 250°C based on related structures
Solubility: Likely to dissolve in polar organic solvents; limited aqueous solubility expected
Boiling Point: Data scarce, likely decomposes before boiling
Vapor Pressure: Very low, not volatile at ambient temperature
Reactivity Profile: Tendency to undergo ring-opening or rearrangement reactions under strong conditions
Stability: Stable under standard laboratory conditions, but avoid high heat or light
Hazardous Reactions: May react vigorously with oxidizers, undergo decomposition with strong acids or bases
Decomposition Products: Yields carbon oxides, possibly acetic acid or other small molecules during breakdown
Environmental Reactivity: Not persistent, expected to degrade slowly unless stabilized
Acute Toxicity: No published LD50; caution is warranted based on the irritant and potentially reactive nature of similar compounds
Irritation: Potential for skin, eye, and respiratory tract irritation
Long-Term Effects: No chronic toxicity data, avoid repeated exposure
Carcinogenicity: No studies available, classified as not evaluated
Mutagenicity/Other Risks: No published mutagenicity data, always use chemical best practices to minimize risk
Ecotoxicity: Environmental impact studies lacking, prudent to treat as potentially harmful to aquatic life
Persistence and Degradability: Not well-studied, but small cyclic diketones do not typically persist over months in aerobic conditions
Bioaccumulation: Not expected for a small, likely water-soluble compound
Mobility in Soil: Moderate, possible leaching into groundwater based on solubility in polar solvents
Other Considerations: Prevent unintentional release to soil or water, favor contained, closed-system use
Waste Handling: Collect all waste in labeled, sealed containers; never pour down drain or discard in regular trash
Treatment Methods: Prefer professional chemical disposal; incineration may be considered at regulated facilities
Regulatory Guidance: Comply with local, regional, and national rules for laboratory chemical waste, document all disposal actions
Packaging Recommendations: Use tightly sealed, inert containers padded against shock or rupture
Transport Hazards: Not classified under common transport regulations, but avoid shipping with oxidizing or corrosive materials
Special Precautions: Label containers clearly with chemical identity and hazard warnings
Handling During Transport: Temperature-controlled shipping preferred to minimize decomposition risk
Classification: Not registered as a controlled chemical under major international lists
Occupational Exposure Standards: No exposure limits established, general chemical hygiene applies
Risk Management: Respect chemical handling guidelines, notify regulatory agencies of significant spills or accidents
SDS Regulation: Update safety protocols as new toxicological or ecological information becomes available from ongoing research
