Product Name: 2'-Diasulfonic Acid
Chemical Formula: C6H6O6S2
Synonyms: Benzene-2,5-disulfonic acid, 2,5-Benzenedisulfonic acid
Recommended Use: Chemical intermediate, laboratory reagent
Supplier Information: Manufacturer or distributor details available upon request
Emergency Contact Number: Local poison control center or supplier emergency line
Classification: Eye damage/irritation Category 2, Skin irritation Category 2
Signal Word: Warning
Hazard Statements: Causes serious eye irritation. Causes skin irritation. May cause respiratory irritation.
Pictograms: Exclamation mark
Precautionary Statements: Avoid contact with eyes and skin. Avoid breathing dust. Wash hands thoroughly after handling. Wear protective equipment.
Chemical Identity: 2'-Diasulfonic Acid
CAS Number: 98-46-4
EC Number: 202-674-1
Concentration: >99%
Impurities: Trace organic and inorganic compounds, irrelevant for classification purposes
Inhalation: Move the affected person into fresh air. Provide oxygen if breathing is difficult. Seek medical attention if symptoms persist.
Skin contact: Rinse thoroughly with plenty of water and remove contaminated clothing. Wash with soap and water. Get medical attention if irritation develops.
Eye contact: Rinse cautiously with water for several minutes, lifting eyelids occasionally. Remove contact lenses if present. Continue rinsing. Seek immediate medical help.
Ingestion: Rinse mouth with water. Do not induce vomiting. Give water to drink if the person is conscious. Call for medical assistance at once.
Suitable extinguishing media: Water spray, dry chemical, foam, carbon dioxide
Specific hazards: Emits toxic fumes under fire conditions, including sulfur oxides, carbon oxides
Protective equipment: Firefighters should wear self-contained breathing apparatus and full protective clothing
Special procedures: Use care in approaching fire area. Prevent runoff from entering drains or watercourses.
Personal precautions: Wear suitable protective clothing, gloves, eye protection, and respiratory protection
Environmental precautions: Prevent material from entering sewers, waterways, or soil
Cleanup methods: Sweep up and collect in suitable containers for disposal. Avoid raising dust. Ventilate area. Wash spill site after material pickup is complete.
Safe handling: Handle in a well-ventilated area. Avoid contact with skin, eyes, and clothing. Avoid formation of dust. Do not breathe dust or fumes.
Storage conditions: Store in a tightly closed container. Keep in a dry, cool, well-ventilated place. Protect from light and incompatible substances. Segregate from strong oxidizers and bases.
Control parameters: No occupational exposure limits established for this compound
Engineering controls: Use local exhaust ventilation or process enclosure
Personal protective equipment: Chemical splash goggles, chemical-resistant gloves (nitrile, neoprene), lab coat, dust respirator if exposure may exceed exposure limits
Hygiene measures: Wash thoroughly after handling. Do not eat, drink, or smoke during use. Remove contaminated clothing and wash before reuse.
Appearance: White to off-white crystalline powder
Odor: Odorless
pH (solution): Acidic
Melting Point: 260-270°C (decomposes)
Boiling Point: Not applicable (decomposes)
Solubility: Soluble in water
Specific Gravity: 1.8-2.0 (estimated)
Vapor Pressure: Negligible
Partition Coefficient (n-octanol/water): Not available
Flash Point: Not flammable
Chemical stability: Stable under standard handling and storage conditions
Reactivity: Non-reactive with most common materials
Hazardous reactions: Contact with strong oxidizers may generate heat; incompatible with strong bases and reducing agents
Decomposition products: Produces sulfur oxides and carbon oxides upon decomposition
Conditions to avoid: Moisture, high temperature, sources of ignition, strong chemicals
Likely routes of exposure: Inhalation, skin and eye contact, ingestion
Acute effects: Irritation to skin, eyes, and respiratory tract. Ingestion may cause gastrointestinal discomfort.
Chronic effects: Prolonged or repeated exposure could worsen skin or respiratory conditions.
LD50: No specific animal data available, low to moderate acute toxicity expected based on similar compounds
Carcinogenicity, mutagenicity, reproductive toxicity: No data indicating carcinogenic or mutagenic effects. Not listed by IARC, NTP, or OSHA.
Sensitization: No data on skin or respiratory sensitization.
Ecotoxicity: Releases to water could lower pH. May be toxic to aquatic life at high concentration.
Persistence and degradability: Expected to be persistent in the environment
Bioaccumulation: Not expected to bioaccumulate based on chemical structure
Mobility in soil: Likely to be mobile due to water solubility
Other adverse effects: No other significant effects known
Waste treatment methods: Dispose in accordance with local, regional, national, and international regulations.
Contaminated packaging: Containers should be rinsed and disposed of professionally.
Environmental precautions: Do not release into waterways or soil. Avoid landfill disposal where leaching into soil is possible.
UN Number: Not classified as hazardous for transport
Proper Shipping Name: 2'-Diasulfonic Acid
Transport Hazard Class: None
Packing Group: None
Environmental Hazards: Not considered a marine pollutant
Special precautions: Protect from physical damage and moisture during transport.
Labeling: Meets requirements under chemical safety and environmental regulations
Inventory status: Listed on national and international chemical inventories
Safety, health, and environmental regulations: Subject to OSHA Hazard Communication Standard, REACH, CLP
Notifications: Users should check applicable local, state, and national laws for detailed regulatory obligations.
