Product Name: Catechol Violet
Chemical Name: 3',3'',5',5''-Tetramethylbenzidine acetate
CAS Number: 115-41-3
Molecular Formula: C19H14O7S
Recommended Use: Laboratory reagent, industrial dye
Supplier: Chemical suppliers, laboratory distributors
Emergency Contact: Refer to local or national emergency numbers for chemical spills or poisoning
SDS Number: 001-CV-2024
Synonyms: Acid Violet 4, O-Catechol Violet
Hazard Classification: Acute toxicity (oral), Skin irritation, Eye irritation
Label Elements: Pictogram: Exclamation mark
Signal Word: Warning
Hazard Statements: Harmful if swallowed, Causes skin irritation, Causes serious eye irritation
Precautionary Statements: Wash hands thoroughly after handling, Wear protective gloves and eye protection, Do not eat or drink during use
Health Hazards: Irritation to mucous membranes, respiratory tract irritation on inhalation
Environmental Hazards: May pose risk to aquatic life with long lasting effects
Chemical Name: Catechol Violet
Common Name: Catechol Violet
CAS Number: 115-41-3
Concentration: ≥99% by weight
Impurities: Trace organic byproducts possible (always consult supplier batch certificate)
Additives: No hazardous additives identified
Inhalation: Remove from exposure to fresh air immediately. Get medical attention if symptoms like headache, dizziness, or coughing persist
Skin Contact: Remove contaminated clothing. Wash affected area with soap and water for at least 15 minutes. Get medical advice if irritation develops
Eye Contact: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention
Ingestion: Rinse mouth with water. Never induce vomiting unless instructed by medical personnel. Seek immediate medical care
Most Important Symptoms: Respiratory irritation, skin redness, eye discomfort
Protection for First Responders: Use gloves, protective clothing, and safety goggles
Advice to Physician: Provide symptomatic treatment, monitor respiratory and dermal health
Suitable Extinguishing Media: Water spray, dry chemical powder, carbon dioxide, foam
Unsuitable Extinguishing Media: Do not use high volume water jet as it may spread powdered material
Specific Hazards Arising: Burning can produce toxic fumes including carbon oxides and sulfur oxides
Special Protective Equipment: Firefighters use full protective gear and self-contained breathing apparatus
Firefighting Instructions: Evacuate area, fight fire from safe distance, contain contaminated run-off
Explosion Hazard: Dust-air mixtures might present an explosion risk under certain conditions
Personal Precautions: Wear safety goggles, gloves, dust mask or respirator
Environmental Precautions: Prevent further leakage or spillage if safe to do so. Avoid discharge to drains or surface water
Methods for Cleanup: Sweep or scoop up without creating dust. Collect in suitable, closed containers for disposal
Decontamination: Wash spill area after material pickup. Ventilate area well
Emergency Procedures: Restrict access until cleanup, notify responsible authorities if significant runoff enters environment
Handling: Avoid contact with skin, eyes, and clothing. Don’t breathe dust. Use within a fume hood whenever possible. Wash hands after handling.
Storage Conditions: Keep container tightly closed in a dry, cool place. Protect from direct sunlight and moisture.
Incompatible Materials: Strong oxidizing agents, strong acids and bases
Safe Packaging: Store in original, properly labeled packaging. Secondary containment is recommended for bulk storage
Specific Use Recommendations: Only trained professionals should handle this substance
Engineering Controls: Local exhaust ventilation and adequate general ventilation in work areas
Personal Protection Equipment: Chemical resistant gloves (nitrile preferred), safety goggles, lab coat, dust mask or respirator if exposure risk exists
Hygiene Measures: No eating, drinking, or smoking while handling. Avoid contact with skin and clothes. Wash thoroughly before leaving work area.
Exposure Limits: No occupational exposure limits available from major regulatory agencies
Environmental Controls: Use containment to reduce risk of release to water or air
Monitoring Methods: Visual checks and regular cleaning of work surfaces
Appearance: Purple crystalline powder
Odor: Odorless
Odor Threshold: Not determined
pH: Neutral to slightly acidic in water
Melting Point: Decomposes before melting, ~250°C
Boiling Point: Not applicable
Flash Point: Not flammable
Evaporation Rate: Not applicable
Flammability: Not readily combustible
Vapor Pressure: Negligible at room temperature
Vapor Density: Not applicable
Solubility: Slightly soluble in water, soluble in alcohol and organic solvents
Partition Coefficient: Not determined
Autoignition Temperature: Not determined
Decomposition Temperature: Above ~250°C
Viscosity: Not applicable
Chemical Stability: Stable under recommended handling and storage conditions
Reactivity: May react with strong oxidizers or acids
Possibility of Hazardous Reactions: Produces toxic gases in contact with strong acids or bases
Incompatible Materials: Acids, bases, oxidizing agents
Hazardous Decomposition Products: Carbon oxides, sulfur oxides, unidentified organic compounds in fire
Conditions to Avoid: Excessive heat, humidity, dust generation, direct sunlight
Routes of Exposure: Skin contact, eye contact, inhalation, ingestion
Acute Toxicity: Harmful when swallowed or inhaled; causes irritation to skin and eyes
Symptoms: Redness, itching, coughing, sore throat, nausea
Chronic Effects: Data lacking for long-term exposure; avoid repeated exposure
Carcinogenicity: No listed components in IARC, NTP, or OSHA reports as carcinogens
Mutagenicity: No specific data available; general chemical hygiene applies
Reproductive Toxicity: No data available
Target Organ Effects: Upper respiratory tract, eye, skin
Ecotoxicity: Toxic to aquatic organisms, may cause long-term adverse effects in the environment
Persistence and Degradability: Not rapidly biodegradable; may persist in soil or water
Bioaccumulation: Potential to concentrate in aquatic species not fully determined
Mobility in Soil: Slightly soluble; may leach to ground water in significant spills
Other Adverse Effects: Avoid release to waterways, inform relevant authorities in case of environmental contamination
Waste Treatment Methods: Collect waste into tightly sealed, labeled containers for disposal
Disposal of Product: Send to licensed facility for chemical hazardous waste
Disposal of Packaging: Decontaminate containers if possible or dispose of as hazardous waste
Additional Notes: Do not pour into drains or natural water bodies. Comply with local environmental and waste management regulations
UN Number: Not classified under common UN numbers
Proper Shipping Name: Environmentally hazardous substance, solid (not otherwise specified)
Transport Hazard Class: Not regulated for land, air, or sea transport
Packing Group: Not assigned
Environmental Hazards: May be hazardous for waterways if spilled
Special Precautions: Avoid dust formation and release to environment during transport
OSHA Status: Not listed as a hazardous chemical under OSHA Hazard Communication Standard
SARA (Title III): Does not appear in Section 302/304/313 lists
TSCA: Listed on the US Toxic Substances Control Act inventory
European Regulation: Meets requirements for notification under REACH
Other Regulations: Local, state, and/or national regulations may apply
Labeling: Handle with safe laboratory practices in alignment with risk and safety statements
Workplace Exposure Controls: Employers follow national guidance for chemical handling and employee protection
