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Product Name: 2-Naphthylamine Hydrochloride
Chemical Formula: C10H9N·HCl
Synonyms: β-Naphthylamine hydrochloride, 2-aminonaphthalene hydrochloride
CAS Number: 137-65-5
Recommended Use: Chemical research, dye intermediate
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Classification: Carcinogen (IARC Group 1), Toxic, Harmful if inhaled or swallowed, Skin and eye irritant
Hazard Statements: May cause cancer, Toxic in contact with skin, Toxic if inhaled, Causes serious eye irritation
Pictograms: Health hazard, Exclamation mark, Skull and crossbones
Precautionary Statements: Avoid all contact, Always use personal protective equipment, Use only with adequate ventilation, Do not eat/drink while handling
Chemical Ingredient: 2-Naphthylamine Hydrochloride
Concentration: ≥ 98% (pure grade)
Impurities: May contain trace organic solvents or process residuals
Molecular Weight: 179.65 g/mol
Ecotoxic Ingredients: Contains chemicals with bioaccumulative and toxic properties
Inhalation: Move to fresh air right away, seek medical attention if symptoms like coughing, wheezing, or difficulty breathing appear
Skin Contact: Remove contaminated clothing, rinse skin thoroughly with soap and water, call for medical support if irritation or sensation persists
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if easy, continue rinsing, get medical advice promptly
Ingestion: Rinse mouth with water, do not induce vomiting, seek emergency medical treatment immediately
Symptoms: Redness, pain, blisters, headache, cough, weakness, nausea
Suitable Extinguishing Media: Dry chemical powder, carbon dioxide, foam, use water spray to cool surfaces
Unsuitable Media: Direct water stream on product
Hazardous Combustion Products: Nitrogen oxides, carbon monoxide, hydrochloric acid fumes
Protective Equipment: Full protective suit, self-contained breathing apparatus, chemical resistant footwear
Advice for Firefighters: Stay upwind, prevent contaminated run-off from entering drains, fight fire from a safe distance
Personal Precautions: Evacuate area, keep unnecessary personnel away, use full protective gear including respiratory protection
Environmental Precautions: Prevent entry into waterways, soil, or sewers, notify relevant authorities if large scale spills threaten public safety
Containment Methods: Dike with inert absorbent, avoid generating dust, use sealed containers for cleanup
Clean-up Procedures: Collect spilled material with non-sparking tools, ventilate area, wash contaminated surfaces with soap solution
Safe Handling: Wear appropriate personal protective equipment, operate in fume hood or with local exhaust, no eating/drinking/smoking around material
Hygiene Practices: Wash hands thoroughly after handling, food and beverages should be kept away from storage and working areas
Storage Requirements: Store in a cool, dry, well-ventilated space, tightly closed containers, away from strong oxidizers and acids
Incompatibilities: Avoid contact with strong acids, bases, oxidizing agents
Packaging: Use chemical-resistant bottles or drums with clear labeling
Occupational Exposure Limits: ACGIH TLV: 0.2 mg/m³ (skin absorption); OSHA PEL: 0.1 mg/m³
Engineering Controls: Effective ventilation, chemical fume hood, eye wash stations, emergency showers
Eye Protection: Chemical safety goggles with side shields, face shield for splashes
Skin Protection: Impermeable gloves (nitrile, neoprene), lab coat, apron, rubber boots
Respiratory Protection: Certified respirator (NIOSH-approved) for airborne particles and vapors, required during spills or high exposure risk
Other Protective Equipment: Avoid all skin contact, use designated work areas
Appearance: Off-white to slightly tan crystalline powder
Odor: Faint aromatic odor
Melting Point: 255-258°C
Boiling Point: Decomposes before boiling
Molecular Weight: 179.65 g/mol
Solubility: Soluble in water, ethanol, and most polar solvents
Vapor Pressure: Negligible at room temperature
pH (solution): Slightly acidic
Partition Coefficient: log Kow (octanol/water): 2.5 (approximate)
Chemical Stability: Stable under recommended storage, susceptible to oxidation upon prolonged exposure to air
Incompatibility: Strong oxidizing agents, acid chlorides, anhydrides, halogenated solvents
Hazardous Decomposition: Produces toxic fumes like carbon monoxide, nitrogen oxides, hydrochloric acid during thermal decomposition
Reactivity: May react with strong acids, bases or oxidizers to release toxic gases
Conditions to Avoid: Moisture, high temperature, light exposure
Routes of Exposure: Inhalation, skin absorption, eye contact, ingestion
Acute Toxicity: LD50 (Oral, rat): 350 mg/kg (estimated)
Carcinogenicity: Classified as a Group 1 known human carcinogen by IARC, linked with bladder and other urinary cancers
Chronic Effects: Prolonged or repeated exposure can damage bladder, liver, and kidneys; risk of cancer increases with long-term use
Inhalation Symptoms: Dizziness, headache, respiratory irritation
Skin/Eye Contact Symptoms: Redness, irritation, possible burns
Ingestion Symptoms: Nausea, vomiting, diarrhea, potential systemic poisoning
Ecotoxicity: Toxic to aquatic life, causes long-term adverse effects in the aquatic environment
Persistence/Degradability: Not readily biodegradable, can accumulate in ecosystems
Bioaccumulation: High potential to accumulate in aquatic organisms and sediments
Mobility in Soil: Moderate, surface run-off can transport chemical into water systems
Additional Information: Hazard to surface waters and groundwater by leaching or improper disposal
Waste Code: Classified as hazardous waste in most jurisdictions
Disposal Method: Should be incinerated in a chemical incinerator equipped with afterburner and scrubber
Do Not: Release into sewers, surface water or soil, avoid landfill disposal
Container Disposal: Triple rinse with water, then dispose in accordance with local environmental regulations
Always: Consult with local hazardous waste disposal authorities to ensure compliance
UN Number: UN 2811
Proper Shipping Name: Toxic solid, organic, n.o.s. (2-Naphthylamine Hydrochloride)
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: II (substantial risk)
Labels Required: Toxic
Special Provisions: Keep separate from foodstuffs, maintain sealed containers during transit, handle by trained personnel only
Environmental Hazards: Marine pollutant - avoid spillage into water bodies
TSCA Status: Listed on Toxic Substances Control Act Inventory
OSHA Hazard Communication: Cancer hazard, included in substance-specific standards
SARA Title III: Subject to emergency planning and community right-to-know reporting under Section 313 (Toxic Chemicals)
REACH Status (EU): Registered, subject to restrictions as carcinogenic substance
WHMIS Classification (Canada): Class D1A (Very toxic), D2A (Carcinogenic)
Label Elements: Danger, carcinogen, use only as directed and minimize release into environment
International Inventories: Listed in most major chemical inventories, including EINECS and DSL
