Chemical Name: Pregnenedione
Synonyms: 5-Pregnene-3,20-dione; Delta4-Pregnenedione
CAS Number: 601-61-6
Molecular Formula: C21H30O2
Molecular Weight: 314.46 g/mol
Product Use: Intermediate for synthesis, steroid research,
Manufacturer/Supplier: [Insert supplier information here]
Emergency Contacts: [Insert emergency phone numbers]
GHS Classification: Not classified as hazardous under GHS guidelines
Signal Word: None
Hazard Statements: Not considered hazardous by conventional criteria; exposure could lead to possible reproductive or developmental risks
Precautionary Statements: Avoid skin and eye contact; do not breathe dust
Pictograms: None required
Other Hazards: Fine dust may cause respiratory irritation; environmental effects minimal at expected concentrations
Component: Pregnenedione
Concentration: ≥98%
Impurities: Residual solvent and structurally related steroids (≤2%)
EC Number: 210-745-1
Inhalation: Move to fresh air, keep at rest, monitor breathing, seek medical attention if symptoms develop
Skin Contact: Remove contaminated clothing, rinse skin thoroughly with soap and water, monitor for irritation
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses, seek medical advice if irritation persists
Ingestion: Rinse mouth, do not induce vomiting, call poison control or a physician immediately
Most Important Symptoms: Irritation, possible allergic reaction, nausea in case of ingestion
Immediate Medical Attention: Not usually required unless symptoms persist or worsen
Extinguishing Media: Water spray, dry powder, carbon dioxide, foam
Special Hazards: Combustion produces carbon oxides, smoke; dust may create explosive risk
Firefighting Instructions: Wear self-contained breathing apparatus, protective clothing, avoid inhaling fumes, isolate area, use standard firefighting procedures
Flash Point: Not available; use caution with sources of ignition
Explosion Data: Fine dust dispersed in air may pose explosion hazard
Personal Precautions: Use protective equipment, ventilate area, avoid dust formation, wash hands after handling
Environmental Precautions: Prevent spill from reaching waterways or drains
Cleanup Methods: Use damp disposable paper towels or HEPA vacuum, place material in labeled waste container, clean with water
Decontamination: Rinse spill area thoroughly with water, avoid high-pressure sprays that disperse dust
Disposal: Dispose in compliance with local and national regulations
Handling: Use in well-ventilated areas, minimize dust, wear gloves and protective eyewear, avoid eating and drinking during use, keep away from heat and ignition
Storage: Store in a cool, dry place, keep container tightly closed, protect from direct sunlight, store away from incompatible substances such as oxidizing agents
Storage Life: Stable for at least two years when kept sealed and dry
Special Precautions: Restrict access to trained personnel only
Occupational Exposure Limits: None established for this compound
Respiratory Protection: Use dust mask or respirator (e.g., N95) in areas of poor ventilation or risk of airborne dust
Skin Protection: Chemical-resistant gloves, lab coat
Eye Protection: Safety glasses or chemical splash goggles
Engineering Controls: Use local exhaust ventilation, handle in fume hood if available
Hygiene Measures: Wash hands thoroughly, remove contaminated clothing before breaks and at end of work
Appearance: White or off-white crystalline powder
Odor: Odorless
Odor Threshold: Not applicable
pH: Not applicable
Melting Point: 186-188°C
Boiling Point: Decomposes before boiling
Flash Point: Not determined
Evaporation Rate: Not relevant for this solid
Flammability: May ignite with sufficient heat or open flame, especially as airborne powder
Vapor Pressure: Negligible at room temperature
Vapor Density: Not applicable
Solubility: Slightly soluble in water, soluble in ethanol and organic solvents
Partition Coefficient (n-octanol/water): Not established
Decomposition Temperature: Above 200°C
Viscosity: Not applicable
Chemical Stability: Stable under recommended storage conditions
Reactivity: Non-reactive under normal conditions
Conditions to Avoid: Excessive heat, high humidity, exposure to strong light
Incompatible Materials: Strong oxidizing agents, acids
Hazardous Decomposition: Carbon monoxide, carbon dioxide, noxious fumes
Polymerization: Will not occur under normal use
Acute Toxicity: Not acutely toxic by oral, dermal, or inhalation routes at expected levels
Skin Corrosion/Irritation: Mild, possible irritation through repeated or prolonged contact
Eye Damage/Irritation: May cause redness, irritation on contact
Respiratory Sensitization: Inhalation of dust can lead to irritation, coughing
Carcinogenicity: Not classified as carcinogen by IARC, NTP, or OSHA
Reproductive Toxicity: Suspected effects based on steroid structure; use caution among pregnant or breastfeeding individuals
Other Effects: Chronic exposure may disrupt endocrine function
Ecotoxicity: Not expected to be highly toxic to aquatic organisms at low concentrations
Persistence/Degradability: May degrade slowly under environmental conditions
Bioaccumulation: Potential for bioaccumulation is unknown
Mobility in Soil: Expected to have low mobility due to low water solubility
Other Adverse Effects: Release in large quantities could disrupt hormonal balance in certain organisms
Waste Disposal: Dispose as hazardous laboratory waste, follow local, state, and federal regulations
Packaging: Use sealed, labeled containers
Contaminated Materials: Dispose of gloves, wipes, and other contaminated matter as hazardous waste
Sewage Disposal: Do not drain to wastewater systems
Recycling: Not applicable for small laboratory quantities
UN Number: Not regulated for transport
UN Proper Shipping Name: Not dangerous for transport
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Label Requirements: No special labeling needed
Special Transport Precautions: Protect from moisture, keep in original packaging
US TSCA: Listed
EU REACH: Exempt or not classified for tonnage under current regulations
OSHA: Not specifically regulated
SARA Title III: Not subject to reporting requirements
California Proposition 65: Not listed
WHMIS Classification: Not controlled
Other Regulations: Check local requirements for handling and disposal, especially regarding steroidal materials, which sometimes face stricter scrutiny in research environments
