Product Name: Xylenol Orange
Chemical Formula: C31H32N2O13S
CAS No.: 3618-43-7
Synonyms: Xylenol Orange Tetrasodium Salt, Xylenol Orange Sodium Salt, XO
Recommended Use: Laboratory reagent for complexometric titrations, metal ion indicators
Manufacturer Information: Supplier details on original container, emergency phone number provided through facility safety protocol
Classification: Not classified as hazardous under GHS regulations (OSHA HCS, Regulation (EC) No 1272/2008)
Signal Word: Not applicable
Hazard Statements: May cause slight irritation to skin and eyes, presents minimal health hazard under standard use
Pictograms: No pictograms required by GHS
Potential Health Effects: Dust or powder can be irritating to upper respiratory tract if inhaled in significant quantities; contact with large amounts can lead to mild dermatitis
Precautionary Statements: Use appropriate personal protective equipment; avoid direct inhalation of dust or prolonged skin contact
Chemical Name: Xylenol Orange Sodium Salt
CAS Number: 3618-43-7
Concentration: Above 90% by weight
Impurities: Trace sodium chloride, moisture content, and regulated storage stabilizers less than 1%
Additives: No additional hazardous ingredients according to manufacturer specifications
Eye Contact: Rinse with clean running water for fifteen minutes, remove contact lenses if present, seek medical attention if redness or pain persists
Skin Contact: Wash exposed area thoroughly with soap and water, remove contaminated clothing, seek medical advice if irritation develops
Inhalation: Move person to area with fresh air, keep at rest, monitor for breathing difficulty, consult medical professional if symptoms develop
Ingestion: Rinse mouth with water, drink several glasses of water if conscious, avoid inducing vomiting, seek prompt medical attention
Suitable Extinguishing Media: Use water spray, foam, dry chemical, or carbon dioxide
Special Hazards: Decomposition by fire may release oxides of carbon, sulfur, and nitrogen
Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective gear
Combustion Products: Smoke, irritating fumes possible at high temperatures
Personal Precautions: Wear personal protective equipment including gloves and eye protection, avoid creating dust
Methods for Cleanup: Sweep up material without generating airborne dust, place in suitable closed container for disposal, ventilate area
Environmental Precautions: Prevent large releases from entering surface water or drains, inform environmental authorities if necessary
Decontamination: Wash affected area with water and detergent after cleanup
Handling: Use local exhaust ventilation or dust collection when handling powders, avoid contact with skin or eyes, wash hands after use, prohibit eating or drinking around area
Storage: Store in tightly sealed container in a cool, dry, well-ventilated place, protect from light and moisture, segregate from incompatible substances like strong oxidizing agents
Exposure Limits: No specific occupational exposure limits established
Engineering Controls: Use standard laboratory ventilation, fume hood for dust producing operations
Personal Protective Equipment: Chemical-resistant gloves, protective goggles, lab coat or apron
Hygiene Measures: Wash hands and exposed skin thoroughly after use, remove contaminated clothing and launder before reuse
Appearance: Orange to red crystalline powder
Odor: Odorless
Molecular Weight: 672.65 g/mol
Melting Point: Decomposes above 300°C
Solubility: Soluble in water, slightly soluble in alcohol
pH (1% solution): Around 4.5 to 6.0
Vapor Pressure: Not applicable
Boiling Point: Not applicable (decomposes)
Flash Point: Not flammable under normal conditions
Bulk Density: Approximately 0.7 g/cm³
Chemical Stability: Stable in standard conditions, may degrade under intense heat or contact with strong acids
Reactivity: Avoid contact with strong oxidizers
Hazardous Decomposition Products: Releases carbon oxides, sulfur oxides, nitrogen oxides if incinerated
Polymerization: No hazardous polymerization expected
Acute Toxicity: Not toxic by oral, dermal, or inhalation routes in typical laboratory usage quantities
Chronic Effects: No evidence of carcinogenic, mutagenic, or reproductive harm based on available data
Irritation: Powder may irritate upper respiratory tract and eyes
Sensitization: Not expected to cause skin or respiratory sensitization
LD50 Data: No acute toxicity observed in animal testing within tested dose range
Ecotoxicity: Minimal environmental hazard at laboratory quantities, avoid extensive discharge into environment
Persistence/Degradability: No significant persistence in soil or water based on current chemical structure
Bioaccumulation Potential: Low
Aquatic Toxicity: No measurable impact at standard use dilution; large spills can cause temporary discoloration of surface water
Disposal Advice: Prevent entry into groundwater, sewers, surface water bodies in significant quantities
Waste Treatment Methods: Dispose of in accordance with local, regional and national regulations, incineration under controlled conditions preferred for bulk waste
Recommended Disposal: Use licensed waste contractor, avoid landfill unless appropriately contained
Container Disposal: Triple rinse, deface labeling, dispose as laboratory waste
UN Number: Not regulated
Transport Hazard Class: Not classified as dangerous
Packing Group: Not applicable
Special Transport Precautions: Protect containers from breakage, avoid moisture exposure, keep upright in transit
US Federal Regulations: Not listed as a hazardous substance under SARA Title III, CERCLA limitations do not apply
TSCA Inventory: Listed
EU Regulation: No hazard labeling required under REACH Annex II
Other Regulations: Always consult local workplace safety regulations and guidelines for chemical handling
