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Material Safety Data Sheet for Nitroglycerin Containing Not Less Than 40% Non-Volatile, Water-Insoluble Desensitizer By Mass

1. Identification

Product Name: Nitroglycerin with ≥40% Water-Insoluble Desensitizer
Other Names: Glyceryl Trinitrate
Manufacturers: Commercial chemical companies, explosive manufacturers
Uses: Component for explosives, research, specialized industrial applications
Contact Details: Manufacturer’s address, emergency contact numbers, email for technical support

2. Hazard Identification

Classification: Explosive; Toxic; Flammable
Acute Health Hazards: Causes severe headache, dizziness, drop in blood pressure
Potential Chronic Effects: Repeated contact increases sensitivity to nitroglycerin, cardiovascular symptoms
Fire and Explosion Hazards: Highly sensitive to shock, friction, heat
Environmental Risks: Harmful to aquatic life, long-lasting effects in water systems
GHS Label Elements: Skull and Crossbones (Toxic); Exploding Bomb (Explosive); Exclamation Mark (Harmful)

3. Composition / Information on Ingredients

Nitroglycerin: 60% w/w
Non-Volatile Water-Insoluble Desensitizer: Minimum 40% w/w, commonly neutral hydrocarbons, phlegmatizers or mineral oils
Impurities: Trace stabilizers or anti-oxidants
Chemical Formula (Nitroglycerin): C3H5N3O9
Molecular Weight: 227.09 g/mol (Nitroglycerin)

4. First Aid Measures

Inhalation: Move person to fresh air immediately, maintain airway, monitor for signs of hypotension, seek emergency care
Skin Contact: Remove contaminated clothing, wash exposed skin with soap and water, monitor for headache or hypotension, seek medical attention
Eye Contact: Rinse carefully with clean water for at least 15 minutes, avoid rubbing eyes, seek specialist evaluation promptly
Ingestion: Do not induce vomiting, remove any material from mouth, offer water if conscious, keep person at rest, call poison control or emergency healthcare

5. Fire-Fighting Measures

Suitable Extinguishing Media: Use large quantities of water in flooding amounts, do not use dry chemical or foam extinguishers
Special Hazards: Evacuate area, nitroglycerin can detonate with heat or impact, toxic fumes (oxides of nitrogen, carbon monoxide) may be released
Protective Equipment: Full face shield, flame-resistant suit, self-contained breathing apparatus
Precautions: Cool surrounding containers with water mist if safe, explosive products may form unstable decomposition gases

6. Accidental Release Measures

Personal Protective Equipment: Chemical-resistant gloves, antistatic footwear, long sleeves, safety goggles, full-face respirator for high dust/fume
Evacuation: Clear uninvolved personnel immediately, restrict access
Clean-Up Procedure: Do not touch or walk through spilled material, absorb liquid with inert non-combustible absorbent (clay, sand), gently transfer to secure, explosion-proof container
Environmental Protection: Prevent entry to sewers, surface or ground water, inform authorities if large spills threaten watercourses
Decontamination: Flush area with copious water only after removal of material; avoid materials or methods that generate friction, heat, or static

7. Handling and Storage

Handling: Avoid shock, friction, abrupt temperature changes, and static discharge; use grounded and non-sparking tools
Personal Safety: Wear protective gear, do not eat, drink or smoke while handling
Storage Conditions: Store in approved magazines designed for explosives, away from heat, flame, oxidizers, acids, strong bases, and direct sunlight
Storage Temperature: Keep cool and dry, temperature variations below 25°C, relative humidity control critical
Inventory: Minimize stock, rotate inventory, keep up-to-date records, post warning signage

8. Exposure Controls and Personal Protection

Exposure Limits: OSHA TWA 0.05 mg/m³ (skin), ACGIH TLV 0.05 mg/m³ (skin)
Engineering Controls: Local exhaust ventilation, explosion-proof electrical, static dissipative flooring
Personal Protection: Impervious gloves (nitrile, butyl), chemical splash goggles, antistatic, flame-resistant lab coats, full-face respirator for airborne particles
Hygiene Measures: Wash hands thoroughly after use, avoid skin contact, remove contaminated clothing
Work Practices: Handle smallest necessary quantity in designated, marked area away from incompatible materials

9. Physical and Chemical Properties

Appearance: Oily liquid, color varies pale yellow to brown with desensitizer
Odor: Slightly sweet, faint chemical odor
Melting Point: Nitroglycerin pure: 13.2°C, mixture varies
Boiling Point: Decomposes before boiling
Flash Point: Less than 100°C (closed cup, desensitized)
Explosion Limit: Sensitive to spark, impact; LEL not set
Vapor Pressure: Low at room temperature
Density: 1.6 g/cm³ (approximate, depends on desensitizer)
Water Solubility: Insoluble; non-volatile desensitizer remains separate
Partition Coefficient: Not applicable; mixture as formulated stays in organic/solid phase

10. Stability and Reactivity

Chemical Stability: Stable only in presence of non-volatile desensitizer, highly unstable if desensitizer is lost
Incompatible Materials: Acids, alkalis, metal powders, oxidizers, reducing agents, heat, friction
Hazardous Reactions: Rapid decomposition with shock, friction, open flame, strong oxidizers
Conditions to Avoid: Any mechanical impact, static generation, electrical discharge, sun or open flame, desiccation
Decomposition Products: Nitrogen oxides, carbon monoxide, carbon dioxide, toxic fumes

11. Toxicological Information

Acute Toxicity: LD50 (oral, rat) for nitroglycerin: 105 mg/kg
Inhalation: Causes blood pressure drop, headache, nausea, fainting, possible methemoglobinemia
Dermal Absorption: Significant hazard through skin; may lead to headache, lowered blood pressure, tachycardia
Chronic Exposure: Increased risk of tolerance, angina-like symptoms on withdrawal, sensitization
Carcinogenicity: Not classed as carcinogenic by IARC, NTP, OSHA
Mutagenicity/Teratogenicity: No conclusive evidence, but use caution

12. Ecological Information

Ecotoxicity: Toxic to aquatic organisms, may cause long-lasting adverse effects in aquatic environment
Persistence and Degradability: Persistent in water and soil, slow degradation by hydrolysis and biotransformation
Bioaccumulation: Low bioaccumulation potential, nitroglycerin undergoes breakdown in environment but can persist in low-oxygen sites
Mobility in Soil: Limited by low water solubility; risk greatest near spill sites

13. Disposal Considerations

Disposal Methods: Burn product in a government-approved hazardous waste incinerator with afterburner and scrubber; do not dispose of in regular trash, water, or municipal landfills
Contaminated Packaging: Contact hazardous materials handler for safe disposal; decontaminate with alkaline wash followed by thorough rinse before discard
Local Requirements: Follow all state, federal and local regulations, maintain accurate logs of disposal, alert facility safety coordinators

14. Transport Information

UN Number: UN 0143
Proper Shipping Name: Nitroglycerin, desensitized, liquid, flammable
Hazard Class: 1.1D (Explosive)
Packing Group: I
Labeling: Explosive, toxic, environmental hazard
Special Provisions: Only trained personnel in compliance with IATA, IMO, DOT; movement in armored, hazardous material-labeled transport vehicles; extensive route planning, use of explosives manifests, 24-hour monitoring

15. Regulatory Information

US OSHA: Covered under Process Safety Management, Hazard Communication Standard
EPA: Regulated as an extremely hazardous substance (EHS), listed under EPCRA and CERCLA
SARA Title III: Immediate (acute), delayed (chronic), fire, reactivity hazards
TSCA: Listed substance
EU Regulations: REACH registered substance, subject to Seveso III Directive for control of major accident hazards
Other: Manufacturer must provide Safety Data Sheet to users, maintain updated training and hazard communication