Product Name: Dithiomorpholine
Chemical Formula: C4H9NS2
Synonyms: Morpholine-2,2'-dithiolate, Morpholine dithioether
CAS Number: 123-56-7
Recommended Use: Used as a chemical intermediate, accelerator in rubber vulcanization, or scavenger in industrial processes
Manufacturer: Industrial Chemicals Group
Contact Information: 24hr Emergency ChemCheck: +1-800-555-9999
Address: 456 Industry Lane, Smalltown, Texas, 75432
Classification: Harmful if swallowed, skin irritant, may cause respiratory problems on inhalation
Routes of Exposure: Skin contact, inhalation, ingestion, eye contact
Hazard Pictograms: GHS07, GHS08
Signal Word: Warning
Hazard Statements: Causes skin irritation, may cause serious eye damage, harmful to aquatic organisms
Precautionary Statements: Avoid breathing dust or fumes, wash skin after handling, wear protective gloves/eye protection, keep away from waterways and drains
Chemical Name: Dithiomorpholine
Concentration: 98–100%
Impurities: May contain traces of morpholine, sulfur compounds below 0.5%
Additives: None within standard commercial product
Molecular Weight: 135.25 g/mol
Inhalation: Remove person to fresh air, keep at rest, seek medical advice if symptoms appear
Skin Contact: Remove contaminated clothing, wash skin with plenty of soap and water, get medical help if irritation develops
Eye Contact: Rinse immediately with water for at least 15 minutes, lift eyelids to ensure thorough rinsing, call for medical attention
Ingestion: Rinse mouth, do not induce vomiting, seek immediate medical attention
Important Symptoms: Redness, burning, coughing, nausea, headache, blurred vision in high exposure
Suitable Extinguishing Media: Dry chemical, CO2, foam, water spray
Unsuitable Extinguishing Media: High-pressure water jets may spread the fire
Specific Hazards: Emits toxic fumes of nitrogen oxides and sulfur oxides on combustion
Special Equipment: Fire fighters should use self-contained breathing apparatus and full protective gear
Protective Actions: Remove containers from fire area if safe, stay upwind, avoid inhalation of fumes
Personal Precautions: Use personal protective equipment, avoid contact with skin and eyes, avoid breathing dust
Environmental Precautions: Prevent spilled substance from reaching sewers or waterways
Cleanup Methods: Ventilate area, collect spill with inert absorbent material such as sand, shovel into waste containers, wash area with plenty of water
Disposal: Dispose of spilled material and cleanup residue in accordance with local authority regulations
Handling: Wear suitable protective clothing, avoid generating dust, work in well ventilated spaces, store chemical in tightly sealed containers
Safe Storage Conditions: Store in cool, dry, and well-ventilated area away from heat and direct sunlight, keep away from strong acids and oxidizing agents
Instructions: Keep containers upright and labeled, limit exposure to air to avoid degradation
Incompatibilities: Acids, oxidizing substances, strong bases
Occupational Exposure Limits: No official TLV or PEL set, but keep airborne concentrations below 1 mg/m³ due to irritation risk
Engineering Controls: Local exhaust ventilation, closed systems
Personal Protective Equipment: Chemical-resistant gloves (nitrile, neoprene), protective clothing, goggles or face shield, approved respiratory protection for dust/fume exposure
Hygiene Measures: Wash hands after handling, launder contaminated clothing before reuse, keep food and drinks out of work area
Appearance: Off-white to pale yellow crystalline powder
Odor: Mild sulfurous odor
pH: 7 (1% aqueous solution)
Melting Point: 85–90°C
Boiling Point: Decomposes before boiling
Flash Point: Not known, decomposes on heating
Solubility: Soluble in organic solvents, slight solubility in water
Vapor Density: No data available
Vapor Pressure: Negligible under normal conditions
Density: 1.30 g/cm³
Autoignition Temperature: Not determined
Partition coefficient (n-octanol/water): Not determined
Chemical Stability: Stable at normal temperatures and pressures
Reactivity: Reacts strongly with strong acids, oxidizing agents
Hazardous Reactions: May release toxic gases of nitrogen oxides and sulfur oxides on thermal decomposition
Conditions to Avoid: High heat, open flames, moisture, incompatible chemicals
Incompatible Materials: Acids, oxidizers, bases
Hazardous Decomposition Products: Nitrogen oxides, sulfur oxides, carbon monoxide
Acute Toxicity: Oral LD50 (rat) ~350 mg/kg
Skin Corrosivity: Causes moderate to strong irritation, possible dermatitis
Eye Effects: Strong irritant to eyes
Chronic Exposure: Prolonged or repeated contact may aggravate skin or respiratory conditions
Carcinogenicity: Not listed by IARC, OSHA, or NTP
Other Data: Not mutagenic in standard tests, not known to be teratogenic
Symptoms of Exposure: Nausea, skin redness, tearing, coughing, shortness of breath
Ecotoxicity: Harmful to aquatic life in concentrated spills, possible toxic effects to freshwater and marine organisms
Persistence and Degradability: Slow biodegradation, tends to persist under anaerobic conditions
Bioaccumulative Potential: Low potential for bioaccumulation
Mobility in Soil: Minimally mobile due to partial water solubility
Other Adverse Effects: Can disrupt local wastewater treatment if released in quantity
Waste Disposal Method: Incinerate or landfill in accordance with local, state, and federal environmental regulations
Safe Handling of Waste: Never pour into drains or water sources, avoid open burning, use sealed waste containers
Disposal of Packaging: Triple-rinse, puncture, and dispose of via licensed waste contractor
UN Number: UN 3077
Transport Hazard Class: 9 (Miscellaneous Dangerous Substances)
Packing Group: III
Labels Required: Class 9 (Environmentally Hazardous Substance)
Marine Pollutant: Yes
Special Precautions: Protect from moisture and heat, secure loads to prevent shifting
Shipping Name: Environmentally Hazardous Substance, Solid, N.O.S. (contains Dithiomorpholine)
OSHA Status: Hazardous chemical as defined by OSHA Hazard Communication Standard
TSCA Listing: Listed
SARA 311/312 Hazard Categories: Immediate (acute) health hazard
DSL/NDSL (Canada): Listed/registered
EU Directive 67/548/EEC: Harmful (Xn), Irritant (Xi) categories
Other Regulations: Subject to emergency planning and notification under CERCLA for major spills, local authorities may have additional requirements
