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Product Name: Acetyl Thiourea
Chemical Formula: C3H6N2OS
CAS Number: 591-08-4
Molecular Weight: 118.16 g/mol
Synonyms: N-Acetylthiourea, 1-Acetyl-2-thiourea
Recommended Use: Intermediate in organic synthesis, reagent for analytical chemistry
Supplier Information: Manufacturer or distributor details, including emergency contact
Emergency Phone: Company emergency hotline, regional poison control
Classification: Irritant, harmful if swallowed, slight environmental hazard
Hazard Statements: Causes mild skin and eye irritation, may cause respiratory tract irritation, harmful if ingested
Signal Word: Warning
GHS Pictograms: Exclamation mark
Precautionary Statements: Avoid breathing dust or vapors, wash hands thoroughly after handling, use personal protective equipment as required, do not eat, drink, or smoke when using the product
Routes of Exposure: Inhalation, skin contact, ingestion
Target Organs: Skin, eyes, respiratory system, digestive system
Chemical Name: Acetyl Thiourea
Concentration: 98%–100%
Other Components: Trace impurities or stabilizers present at less than 1%
Impurity Risks: None anticipated at concentrations supplied for laboratory and industrial uses
Inhalation: Move to fresh air, provide oxygen or artificial respiration if breathing is difficult, seek medical advice if symptoms develop or persist
Skin Contact: Remove contaminated clothing, wash affected skin with soap and plenty of water for at least 15 minutes, consult a physician if irritation develops
Eye Contact: Rinse cautiously with water for several minutes, hold eyelids apart to ensure complete flushing, get medical attention if discomfort continues
Ingestion: Rinse mouth, do not induce vomiting, seek immediate medical attention, never give anything by mouth to an unconscious person
Symptoms of Exposure: Redness, itching, cough, nausea, irritation to mucous membranes
Suitable Extinguishing Media: Dry chemical, water spray, carbon dioxide, foam
Specific Hazards: Thermal decomposition may produce toxic fumes of nitrogen oxides, sulfur oxides, carbon oxides
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective clothing
Special Precautions: Avoid inhalation of combustion products, cool containers exposed to fire with water spray
Explosion Hazards: Dust formation can create a combustible atmosphere, keep away from heat, sparks, and open flames
Flash Point: Data not available, presumed to be above room temperature
Fire Fighting Instructions: Prevent run-off from entering water sources, use water spray to minimize dust dispersal and cool adjacent structures
Personal Precautions: Evacuate area, ventilate space, use appropriate personal protective equipment including gloves, goggles, and respirator
Spill Cleanup Methods: Sweep up or shovel solid material, collect in properly labeled sealed containers, avoid raising dust
Environmental Precautions: Prevent spillage from entering drains, surface water, or soil
Disposal: Refer to section on disposal, wash contaminated surface with detergent solution, ventilate area after cleanup
Decontamination: Use damp cloth or vacuum equipped with HEPA filter to control dust, dispose cleaning materials as hazardous waste
Safe Handling: Work in well-ventilated area, minimize dust generation, use only with suitable equipment, avoid contact with skin, eyes, and clothing, do not ingest or inhale
Storage Conditions: Store in tightly closed container, in a cool, dry, well-ventilated area, keep away from sources of ignition, strong oxidizers, and incompatible materials
Storage Temperature: Room temperature, protect from moisture
Compatibility: Keep separate from acids, oxidizing agents, strong bases
Packaging Materials: Use corrosion-resistant, chemically resistant containers, label appropriately
Control Parameters: No OSHA PEL, ACGIH TLV, or other occupational exposure limits established
Engineering Controls: Use local exhaust ventilation, maintain eye wash and emergency shower stations nearby
Personal Protective Equipment: Chemical-resistant gloves, safety goggles, face shield, laboratory coat, dust mask or respirator if exposure limits are anticipated
Hygiene Measures: Wash hands thoroughly after handling, remove contaminated clothing and wash before reuse
Exposure Monitoring: Monitor air concentrations in work environment where dust may form
Environmental Controls: Employ methods to prevent chemical release to the environment
Appearance: White to off-white crystalline powder
Odor: Odorless or faint sulfur-like smell
Melting Point: 204-208°C
Boiling Point: Decomposes before boiling
Solubility: Slightly soluble in water, more soluble in alcohol and acetone
Vapor Pressure: Not significant at room temperature
Density: Approximately 1.34 g/cm³
pH: 6.5-7.5 (1% aqueous solution)
Evaporation Rate: Not volatile
Partition Coefficient (n-octanol/water): Not available
Other Properties: Stable under recommended storage and handling conditions
Chemical Stability: Stable under normal conditions
Reactivity: Reacts with strong oxidizers, strong acids, and bases
Conditions to Avoid: High temperatures, open flames, moisture, direct sunlight
Incompatible Materials: Acids, bases, oxidizers, reducing agents
Hazardous Decomposition Products: Oxides of carbon, nitrogen, sulfur
Polymerization: Will not occur under normal handling and storage
Likely Routes of Exposure: Inhalation, ingestion, skin and eye contact
Acute Toxicity: LD50 oral (rat): approximately 1200 mg/kg, mild toxicity in animals, limited data reported
Skin and Eye Irritation: Moderate irritation reported in laboratory studies
Chronic Effects: Toxicological effects not fully investigated, repeated exposure may cause allergic skin reactions in sensitive individuals
Other Effects: Possible central nervous system effects if ingested in large quantity
Carcinogenicity: No components listed by IARC, NTP, OSHA as carcinogenic
Mutagenicity: No significant data available
Reproductive Toxicity: Not established
Ecotoxicity: Slight toxicity expected for aquatic life at high concentrations, limited data available
Persistence and Degradability: May degrade slowly under typical environmental conditions, biodegradability undetermined
Bioaccumulative Potential: Low, based on physical properties
Mobility in Soil: Slight mobility if released into environment, may leach through soil with water
Other Adverse Effects: No major adverse environmental effects documented at commonly used concentrations
Avoid Release: Prevent large quantities from entering natural waterways, sewage, or soil
Waste Disposal Methods: Dispose of in accordance with local, regional, and national regulations, consider use of registered hazardous waste contractor
Contaminated Packaging: Rinse thoroughly, puncture and dispose in line with container waste codes
Special Disposal Instructions: Do not discharge to drains, surface water, or ground
Disposal Controls: Incinerate in approved facility where possible, landfill as non-reactive chemical waste if local law allows
UN Number: Not classified as dangerous for transport under UN recommendations
Proper Shipping Name: Chemical, not otherwise specified
Hazard Class: Not regulated
Packing Group: Not applicable
Special Precautions: Avoid creating dust during transport, keep containers securely closed
Environmental Hazards: Not a marine pollutant
Transport Regulations: Follow national and international transport guidelines for routine chemicals, consult relevant carriers for additional restrictions
USA State Regulations: Not regulated under California Proposition 65, not listed by SARA Title III, not classified as hazardous under OSHA GHS standards
International Inventories: Listed in EINECS, DSL, AICS, and other country chemical inventories
Workplace Safety: Comply with OSHA workplace safety rules and use hazard communication practices
Chemical Safety Assessment: Not required for quantities used in laboratory and standard manufacturing environments
Other Regulatory Data: Ensure appropriate training provided to users, maintain records of use and risk assessment as per national requirements
