Product Name: 19-Nor Dehydroepiandrosterone (19Nor Dhea)
Chemical Family: Steroidal compound
Synonyms: 19-Norandrostenolone, NorDHEA
CAS Number: 734-32-7
Manufacturer: Name, address, and emergency contact number should always be accessible from bulk supplier or lab
Recommended Use: Research, chemical synthesis, not intended for dietary or therapeutic use
Emergency Number: Local and international numbers provided by the supplier or workplace safety office
GHS Classification: Reproductive toxicity (Category 2), Skin and eye irritation (Category 2B), Specific Target Organ Toxicity (Category 3)
Signal Word: Warning
Hazard Statements: May cause skin irritation, suspected of damaging fertility, may affect the endocrine system, can irritate eyes and mucous membranes
Precaution: Avoid breathing dust, avoid contact with skin and eyes, use protective equipment, avoid release into environment
Symptoms of Exposure: Redness, itching, headache, irritation in nose and throat, possible hormonal effects with prolonged or repeated exposure
Chemical Name: 19-Nor Dehydroepiandrosterone
Concentration: 95-99% (as pure powder or crystal)
Other Components: None known or present in trace stabilizing quantity harmless to humans under regular laboratory conditions
Impurities: Unreacted precursors (<0.1%), tested batch-specific
Molecular Formula: C18H26O2
Molecular Weight: 274.4 g/mol
Eye Contact: Rinse gently with plenty of clean water for at least 15 minutes, remove contact lenses if present and easy to do, seek medical attention if redness or irritation persists
Skin Contact: Wash with plenty of soap and water, remove contaminated clothing, consult a doctor if irritation occurs
Inhalation: Move to fresh air immediately, keep at rest, monitor breathing, consult medical attention if coughing or symptoms develop
Ingestion: Rinse mouth with water, do not induce vomiting, seek immediate medical attention, never give anything by mouth to an unconscious person
Recommendations to Medical Personnel: Symptomatic treatment, consider monitoring for hormonal effects in prolonged or high-level exposures
Suitable Extinguishing Media: Dry chemical, carbon dioxide, foam, or water spray, avoid direct jet of water to prevent powder dispersion
Specific Hazards: May emit toxic fumes such as carbon oxides under combustion, can form dust clouds,
Protective Equipment: Full protective gear including self-contained breathing apparatus (SCBA), chemical-resistant gloves, fireproof suit
Advice for Firefighters: Evacuate personnel, fight fire from safe distance, cool containers exposed to heat with water spray, avoid breathing fumes
Fire Residues: Collect fire debris in labeled, sealed containers for disposal according to regulatory guidelines
Personal Precautions: Put on respiratory protection, wear gloves and goggles, ventilate area
Environmental Precautions: Keep from entering drains, sewers, or waterways, report large spills to proper authorities
Spill Cleanup Procedures: Avoid creating dust, gently sweep up powder, place into tightly sealed container, wipe residues with damp cloth
Decontamination: Wash surface with detergent and water, ensure adequate ventilation during cleanup, collect all waste for proper disposal
Disposal: Dispose cleanup materials and waste in accordance with all local, state, and federal regulations
Handling: Use in a properly ventilated area, avoid dust formation, use gloves, avoid contact with skin and eyes, do not eat, drink, or smoke when handling
Storage Conditions: Store in a tightly closed, labeled container in a cool, dry, and well-ventilated area, protect from moisture, heat, and direct light
Special Requirements: Store away from strong oxidizing agents, acids, food, and animal feed, secure storage area to prevent unauthorized access
Hygiene Measures: Wash hands thoroughly after handling, remove and wash contaminated clothing before reuse, maintain good laboratory hygiene practices
Exposure Limits: No occupational exposure limits established for this substance, minimize exposure regardless
Engineering Controls: Use local exhaust ventilation, process enclosures, or other engineering controls to keep dust levels below exposure guidelines
Respiratory Protection: Use NIOSH-approved particulate respirator or dust mask when handling powder forms
Gloves: Wear chemical-resistant gloves such as nitrile, latex, or PVC
Eye Protection: Tight-fitting chemical safety goggles
Skin Protection: Laboratory coat, long sleeves, closed-toe shoes
General Safety: Do not touch face, eyes, or mouth while handling materials, always wash up after exposure
Appearance: White to off-white crystalline powder
Odor: Odorless
Odor Threshold: Not applicable
pH: Not measured (insoluble in water)
Melting Point: 124–128°C
Boiling Point: Not available (decomposes before boiling)
Flash Point: Not determined
Evaporation Rate: Not available
Flammability: Not highly flammable in solid state, caution with powder dispersion
Vapor Pressure: Negligible at room temperature
Vapor Density: Not available
Solubility: Insoluble in water, slightly soluble in alcohol/chloroform
Partition Coefficient (n-octanol/water): Not determined
Auto-Ignition Temperature: Not determined
Decomposition Temperature: >200°C
Viscosity: Not applicable
Chemical Stability: Stable under normal lab conditions, avoid exposure to excessive heat, open flames, and sunlight
Reactivity: Low reactivity as solid
Incompatible Materials: Strong oxidizing agents, acids, bases
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, unidentified organics, produced during combustion
Possibility of Hazardous Reactions: No dangerous polymerization
Conditions to Avoid: High temperatures, direct sunlight, formation of dust clouds
Acute Toxicity: Data not fully established for humans, no acute toxicity at low exposure
Routes of Exposure: Inhalation, skin, eyes, oral
Chronic Toxicity: Possible hormonal disruptions, alteration of reproductive system in lab animals with repeated exposure, monitoring advised
Symptoms: Skin and eye redness, headaches, cough, hormonal imbalance after prolonged or repeated exposure
Sensitization: Not known to cause skin sensitization
Carcinogenicity: Not classified as carcinogen by IARC, NTP, or OSHA
Mutagenicity: No reliable data
Reproductive Toxicity: Suspected human reproductive toxicant, avoid exposure, especially if pregnant or planning pregnancy
Ecotoxicity: Not fully studied, highly persistent in water and soil, risk of bioaccumulation
Mobility in Soil: Low mobility due to low water solubility, may persist in sediment
Persistence and Degradability: Slowly biodegradable in the environment
Bioaccumulative Potential: Possible potential, no quantitative data
Aquatic Toxicity: May affect aquatic organisms at high concentrations, avoid disposal in waterways
Other Adverse Effects: Endocrine disruption possible with improper disposal, long-term effects in aquatic ecosystem remain unstudied
Waste Treatment Methods: Dispose as hazardous chemical waste, follow institutional, local, and federal rules
Product Waste: Collect in sealed, labeled chemical-resistant containers
Contaminated Packaging: Triple rinse, discard according to hazardous waste protocol
Approved Disposal Sites: Incineration in controlled facility, do not pour down drain
Recommendations: Never dispose in environment, consult waste disposal professionals for best practices
Regulatory Codes: Ensure compliance with RCRA, TSCA, and other relevant chemical safety regulations
UN Number: Not regulated under current UN recommendations for this chemical
UN Proper Shipping Name: 19Nor Dhea, laboratory chemical, non-regulated
Hazard Class: Not assigned
Packing Group: Not assigned
Labels Required: None mandated for ground, air, or sea (subject to change based on quantity and destination)
Special Precautions: Keep in original packaging, ensure inner container is sealed, avoid exposure to heat, impact, and moisture during transport
Transport in Bulk: Not intended for bulk transport, laboratory or research use containers only
Spill During Transport: Notify authorities if above threshold quantities, secure package, contact hazardous material response team
Safety, Health and Environmental Regulations: Listed under TSCA (for experimental use), not FDA-approved for human consumption, check local, state, and federal rules for storage and use
SARA Title III: Not listed as hazardous substance
OSHA: No specific regulations, falls under General Duty Clause for workplace safety
State Regulations: Restrictions may vary, consult state chemical inventories
International Inventory: Not registered under REACH in Europe, not scheduled under CWC
Other: Notify workplace safety officer before starting new projects, maintain documentation for compliance inspections, always review and update records annually
