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Product Name: 6-Chloropurine
Chemical Formula: C5H3ClN4
Synonyms: 6-Chloro-1H-purine, 6-Chloro-purine
CAS Number: 87-42-3
Recommended Use: Laboratory chemical, pharmaceutical intermediate
Supplier/Manufacturer: Chemical suppliers for research and industry
Emergency Phone Number: Refer to local chemical safety agency or supplier contact
Classification: Acute toxicity (oral, dermal, inhalation), Eye irritation, Skin irritation
Label Elements: Danger, signal word; Corrosive pictogram
Hazard Statements: Harmful if swallowed or inhaled; Causes skin irritation; May cause eye irritation
Precautionary Statements: Avoid breathing dust; Wear protective gloves, clothing, and eye/face protection; Use only outdoors or in a well-ventilated area
Potential Health Effects: Inhalation may cause respiratory tract irritation, headaches, dizziness; Skin or eye contact can bring inflammation, redness, or discomfort
Chemical Name: 6-Chloropurine
CAS Number: 87-42-3
Concentration: ≥98% (as pure substance)
Impurities: May contain trace levels of related purines and solvents from manufacture
Inhalation: Move to fresh air; provide oxygen or artificial respiration as needed; seek medical attention if symptoms develop
Skin Contact: Remove contaminated clothing; wash skin thoroughly with soap and water; get medical help for persistent irritation
Eye Contact: Rinse immediately with plenty of water for at least 15 minutes, lifting eyelids occasionally; seek medical advice if irritation continues
Ingestion: Rinse mouth with water; never induce vomiting without medical supervision; seek immediate medical care in case of symptoms
Most Important Symptoms/Effects: Irritation of eyes, skin, mucous membranes; possible gastrointestinal upset
Note to Physician: Treat symptomatically and provide supportive measures as needed
Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Hazards from Combustion: May produce harmful gases like nitrogen oxides (NOx), hydrogen chloride, carbon oxides
Firefighter Protection: Firefighters use self-contained breathing apparatus and protective gear
Explosion data: Non-explosive under normal conditions; avoid dust generation that may increase airborne combustibility
Personal Precautions: Wear suitable protective equipment; ensure adequate ventilation; avoid contact with skin and eyes
Environmental Precautions: Keep away from drains and surface water; prevent product from entering soil or sewers
Cleanup Methods: Take up mechanically or dampen and scoop into labeled waste containers; decontaminate spill area thoroughly
Notification Procedures: Follow local regulations for reporting chemical releases
Handling: Handle in a chemical fume hood or with local exhaust; minimize exposure to dust; avoid breathing or contacting the powder; use appropriate personal protective equipment
Storage Conditions: Store in tightly closed container; keep in cool, dry, and well-ventilated place; protect from light and moisture
Storage Incompatibilities: Separate from oxidizing agents, strong acids or bases
Special Requirements: Label containers clearly; restrict access to trained personnel
Engineering Controls: Use fume hood or local exhaust to control airborne levels; safety shower and eyewash available near work area
Personal Protection: Chemical-resistant gloves (nitrile, neoprene), laboratory coats, chemical safety goggles, suitable respiratory protection for dust or inadequately ventilated areas
Exposure Limits: No specific occupational exposure limits listed; general dust control as recommended by OSHA or ACGIH for particulates not otherwise regulated
Hygiene Measures: Wash hands, forearms, and face thoroughly after handling; do not eat, drink, or smoke in work area
Appearance: Off-white to pale yellow crystalline powder
Odor: Odorless or very faint odor
Melting Point: 190-193°C
Boiling Point: Decomposes before boiling
Solubility: Slightly soluble in water; more soluble in organic solvents (DMSO, DMF)
pH (solution): Slightly basic to neutral in water
Vapor Pressure: Not significant at room temperature
Relative Density: 1.68 g/cm³
Molecular Weight: 154.56 g/mol
Flash Point: Not applicable
Flammability: Not classified as flammable
Chemical Stability: Stable under recommended storage and usage
Reactivity: Not reactive with most common substances under normal conditions
Conditions to Avoid: Avoid heat, sources of ignition, moisture
Incompatible Materials: Strong oxidizers, acids, and bases
Hazardous Decomposition: Decomposes producing toxic fumes including nitrogen oxides, hydrogen chloride under fire conditions
Acute Toxicity: Data limited; oral LD50 (rat) not precisely determined but expected to be in low grams per kilogram
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Skin Corrosion/Irritation: Irritant; may cause redness and itching
Serious Eye Damage/Irritation: Possible mild to moderate irritant
Respiratory Sensitization: Not classified but repeated exposure to fine dust can cause respiratory tract irritation
Carcinogenicity: Not listed as carcinogenic by IARC, NTP, or OSHA
Other Effects: No chronic toxicity data available; handle with care to minimize exposure
Ecotoxicity: Limited data; not expected to be highly toxic to aquatic life in standard test concentrations
Persistence and Degradability: Not rapidly biodegradable; persistence likely in soil and water
Bioaccumulation Potential: Not enough data available, but compounds of this class may have low potential to bioaccumulate
Mobility in Soil: Moderate, can leach slowly if released to environment
Other Adverse Effects: Discharge to environment should be avoided as a precaution
Waste Disposal Methods: Incinerate in approved facility with proper controls; do not dispose into drains, soil, or natural water sources
Contaminated Packaging: Dispose of empty containers as chemical waste after cleaning as per local, state, and federal regulations
Regulatory Considerations: Should comply with requirements for hazardous chemical waste
UN Number: Not classified as hazardous for transport under most international regulations
UN Proper Shipping Name: Not regulated
Transport Hazard Class: Not applicable
Packing Group: Not assigned
Environmental Hazards: Not listed as marine pollutant
Special Precautions: Keep container tightly closed and properly labeled during transport; avoid physical damage
TSCA Status: Listed in the TSCA inventory
EINECS Number: 201-746-1
WHMIS Classification: Not classified in Canada
SARA Title III: Not subject to SARA 302 or 313 reporting
OSHA Status: Hazardous chemical as defined by OSHA Hazard Communication Standard
Other Regulations: May be subject to right-to-know laws in some states or regions; always consult local safety data rules
