Product Name: Thiomalate
Chemical Family: Organosulfur compound
Synonyms: Mercaptosuccinate, Dithiomalic acid
CAS Number: 123-93-3
Manufacturer/Supplier: Available industrial and laboratory suppliers
Recommended Use: Laboratory reagent, pharmaceutical intermediate, research applications
Emergency Phone: Listed in packaging and regulatory documents
GHS Classification: Skin Irritation (Category 2), Eye Irritation (Category 2A), Specific Target Organ Toxicity (Category 3)
Label Elements: Warning signal word, hazard pictograms
Hazard Statements: Causes skin irritation, may cause serious eye irritation, may cause respiratory tract irritation
Precautionary Statements: Wash thoroughly after handling; avoid breathing dust or fumes; wear protective gloves, clothing, and eye protection
Chemical Name: Thiomalate
Concentration: 100% (pure substance product)
CAS Number: 123-93-3
Impurities: Trace amounts of related sulfur compounds as identified in quality control testing
Molecular Formula: C4H6O4S2
Inhalation: Move the person outside to fresh air immediately, keep comfortable, seek medical attention if symptoms persist
Skin Contact: Remove contaminated clothing, wash skin thoroughly with soap and water, seek medical attention if irritation develops
Eye Contact: Rinse eyes carefully with water for at least 15 minutes, remove contact lenses if present and easy to do, consult a medical professional for ongoing symptoms
Ingestion: Rinse mouth with water, do not induce vomiting, seek medical care
Most Important Symptoms: Burning or irritation at point of contact, coughing, headache, dizziness
Suitable Extinguishing Media: Water spray, foam, dry powder, carbon dioxide
Hazardous Combustion Products: Sulfur oxides, carbon oxides, toxic gases
Specific Hazards: Product itself is not highly flammable but decomposition may release toxic gases
Protective Equipment for Firefighters: Full protective gear, self-contained breathing apparatus
Special Instructions: Evacuate area, avoid inhalation of combustion fumes, cool containers exposed to heat
Personal Precautions: Use personal protective equipment, avoid inhalation and contact
Environmental Precautions: Prevent further leakage, avoid runoff into waterways, soil, or drains
Spill Cleanup Methods: Collect with inert absorbent material, place in appropriate waste container, ventilate area, wash affected surfaces with water
Disposal: Dispose of solid or liquid waste through regulated waste vendors
Handling: Operate in a well-ventilated area, avoid dust generation, prevent ingestion and skin contact, wear standard protective gear
Storage Conditions: Keep in cool, dry, and well-ventilated location, in tightly closed container, away from incompatible chemicals such as strong oxidizers or acids
Incompatible Materials: Oxidizers, acids, and alkalis may react with the substance
Hygiene Practices: Wash hands after handling, do not eat or drink near storage and handling areas
Occupational Exposure Limits: Not established for Thiomalate, use general dust limits as guideline
Engineering Controls: Use local exhaust ventilation, maintain air concentration below occupational exposure levels
Personal Protective Equipment: Wear chemical-resistant gloves, laboratory coats, safety goggles, suitable respiratory protection if dust is generated
Hygienic Measures: Wash hands and face after work, no food or drink in the work area
Appearance: White or off-white crystalline powder
Odor: Faint sulfurous scent
Odor Threshold: Not established
pH: Slightly acidic in aqueous solution
Melting Point/Freezing Point: Ranges between 100°C to 140°C
Boiling Point: Decomposes
Flash Point: Not flammable at standard conditions
Evaporation Rate: Not applicable
Flammability: Not classified as flammable
Vapor Pressure: Negligible at room temperature
Vapor Density: Not established
Solubility: Soluble in water, sparingly soluble in ethanol
Partition Coefficient (n-octanol/water): Not available
Auto-Ignition Temperature: Not determined
Decomposition Temperature: Above 150°C
Viscosity: Not applicable
Chemical Stability: Stable under recommended storage and handling conditions
Conditions to Avoid: Excessive heat, open flame, high humidity
Incompatible Materials: Strong oxidizers, acids, alkalis
Hazardous Decomposition Products: Sulfur dioxide, hydrogen sulfide, carbon oxides
Possibility of Hazardous Reactions: No polymerization expected under standard use
Acute Toxicity Data: Exact LD50 not available, relevant data from similar sulfhydryl compounds suggest low acute toxicity with potential for irritation
Skin Corrosion/Irritation: May cause redness and discomfort
Serious Eye Damage/Irritation: May cause serious eye irritation
Respiratory Sensitization: Potential for irritation with dust inhalation
Chronic Effects: No extensive data, repeated exposure to dust may cause respiratory symptoms, skin sensitivity
Carcinogenicity, Mutagenicity, Reproductive Toxicity: No reliable studies available
Target Organ Effects: High exposures may affect mucous membranes and upper respiratory tract
Ecotoxicity: No specific data for Thiomalate; chemicals carrying sulfur can depress oxygen in aquatic environments if released in bulk
Persistence and Degradability: Expected to degrade in soil and water, but complete studies are lacking
Bioaccumulative Potential: No evidence suggests significant bioaccumulation
Mobility in Soil: Expected to be mobile in aqueous solution, depends on soil properties
Other Adverse Effects: Discharge in significant volumes may alter local environmental conditions, especially in water sources
Waste Treatment Methods: Collect waste in sealed containers labeled according to local regulations, avoid discharging into public sewers
Disposal of Contaminated Packaging: Clean containers before reuse or disposal, follow professional waste disposal procedures
Special Precautions: Dispose of according to regulations for organosulfur compounds, coordinate with licensed chemical waste management services
UN Number: Not assigned
UN Proper Shipping Name: Chemical, not otherwise specified
Transport Hazard Class: Not classified as hazardous for transportation under common rules
Packing Group: Not regulated
Environmental Hazards: None indicated for regular shipment sizes
Special Precautions for User: Handle carefully to avoid dust release, transport in well-sealed containers
TSCA: Listed or meets TSCA requirements
EINECS/ELINCS: Included in European chemical inventories
OSHA Hazard Communication: Recognized as hazardous based on irritant properties
SARA Title III Section 313: Not subject to reporting
Canadian Regulations: DSL/NDSL status varies by supplier, check documentation
Other Regulations: Local and international regulations may apply, consult national inventories and compliance functions
