Product Name: 3,3'-Terephtalylidene-10,10'-Dicamphosulfonic Acid, Disodium Salt
Chemical Family: Camphosulfonic Acid Derivative
CAS Number: 103489-99-6
Synonyms: TDCSD, Disodium Salt of 3,3'-Terephtalylidene-10,10'-Dicamphosulfonic Acid
Manufacturer: Contact supplier for details
Recommended Use: Research, laboratory reagent; specialty chemical for analytical applications
Emergency Contact: Local poison control center or workplace emergency number
Classification: Not classified as hazardous under GHS unless dust formation, ingestion, or eye contact occurs
Hazard Statements: Causes mild skin and eye irritation, may provoke respiratory discomfort if dust is inhaled
Pictograms: Exclamation mark (for irritant potential)
Precautionary Statements: Avoid breathing dust, wash hands thoroughly after handling, wear protective gloves/eye protection
Most Important Symptoms: Sneezing, coughing, slight redness of skin or eyes, rare allergic responses
Chemical Name: 3,3'-Terephtalylidene-10,10'-Dicamphosulfonic Acid, Disodium Salt
Concentration: >98% pure
Impurities: Trace amounts of related sulfonic acid derivatives (<2%)
Molecular Formula: C32H42O10S2Na2
Molecular Weight: 712.80 g/mol
General Advice: Remove contaminated clothing and move person to fresh air
Inhalation: Move to fresh air, keep at rest, seek medical attention if symptoms persist
Skin Contact: Wash with soap and water, use lotion for persistent irritation
Eye Contact: Rinse with copious amounts of water for at least 10 minutes, seek care for persistent discomfort
Ingestion: Rinse mouth with water, avoid vomiting unless directed by medical personnel, see physician for worsening symptoms
Suitable Extinguishing Media: Water spray, foam, dry chemical, or CO2, use what is suitable for surrounding materials
Special Hazards: Vigorously burning powder may produce toxic sulfur oxides, irritating fumes
Protective Equipment: Full protective gear including self-contained breathing apparatus recommended
Specific Methods: Avoid water runoff entering drains, use non-sparking tools to remove containers from affected area
Personal Precautions: Put on suitable gloves, goggles, dust mask or respirator, avoid dust formation
Spill Cleanup: Use damp material to scoop up combined solid, avoid creating airborne dust, place waste in sealed bags
Environmental Protection: Keep out of drains, waterways, and sewers
Decontamination: Rinse affected surfaces with copious water, ventilate area
Handling: Work in well-ventilated spaces, avoid generating or handling dust, use local exhaust for dust-prone activity
Hygiene Measures: Wash thoroughly after use, avoid eating, drinking, or smoking where product is handled
Storage: Store tightly sealed at room temperature, protected from heat, moisture, and direct sunlight
Incompatibilities: Strong acids, bases, and oxidizing agents
Engineering Controls: Fume hood or exhaust ventilation in handling areas
Eye Protection: Safety goggles or face shield
Skin Protection: Nitrile or rubber gloves, long-sleeved clothing
Respiratory Protection: Particulate mask (P2 or N95 standard) if dust risk exists
Environmental Exposure: Keep product out of stormwater, treat spills as hazardous waste
Appearance: White to pale yellow crystalline powder
Odor: Mild, characteristic odor
Odor Threshold: Data not available
pH (1% solution): 6.0-8.0
Melting Point/Freezing Point: Approx. 220°C (decomposes)
Boiling Point: Not determined
Flash Point: Not flammable
Evaporation Rate: Not applicable
Flammability: Not flammable under normal conditions
Vapor Pressure: Negligible
Solubility: Water-soluble
Partition coefficient: No data
Auto-ignition temperature: Not determined
Explosive Properties: No unusual reactivity
Decomposition Products: Sulfur oxides, sodium oxides, possible volatile organics on strong heating
Chemical Stability: Stable under recommended storage conditions
Hazardous Polymerization: Will not occur
Reactivity: Possible mild reactivity with strong oxidizing agents or acids
Conditions to Avoid: Exposure to moisture, elevated temperature
Hazardous Decomposition Products: Sulfur dioxide, sodium oxide, carbon oxides if combusted or strongly heated
Acute Toxicity: Not acutely toxic, LD50 not established for humans
Routes of Entry: Inhalation, skin contact, ingestion
Inhalation: May cause mild irritation, coughing, bronchial discomfort
Skin Contact: Mild irritation possible, rare allergic reactions
Eye Contact: Mild burning or stinging, tearing
Ingestion: May cause digestive upset, nausea
Chronic Exposure: No data for carcinogenicity, mutagenicity, reproductive toxicity
Sensitization: Not reported without prolonged, repeated contact
Aquatic Toxicity: Not fully studied, general chemical precautions recommended
Persistence and Degradability: Slightly persistent, not readily biodegradable
Bioaccumulative Potential: Expected low, based on structure
Mobility in Soil: Expected high solubility in water, moderate soil mobility
Other Adverse Effects: Avoid uncontrolled environmental release, treat as potentially hazardous waste to aquatic life
Waste Disposal Methods: Dispose of in accordance with local, regional, and national regulations
Packaging Disposal: Triple rinse and render packaging unusable; follow same methods as chemical waste
Precautions: Do not discharge to surface water, municipal waste may require special handling
Recommended Treatment: Incineration in chemical waste facility or authorized disposal site
UN Number: Not classified as dangerous for transport
Proper Shipping Name: Not regulated
Transport Hazard Class: None assigned
Packing Group: Not assigned
Environmental Hazards: Not a marine pollutant; prevent accidental release during handling
OSHA Status: Not regulated by OSHA
TSCA Status: Listed or pending based on production in the U.S. chemical inventory
DSL Status: Check with Canadian Domestic Substances List for confirmation
EINECS/ELINCS: Registered or notification may be required for EU markets
SARA Title III: Not listed as extremely hazardous, no specific reporting thresholds
Other Regulations: Consult national or state chemical safety bodies for additional reporting, recordkeeping, or restrictions
