Product Name: Phenazine Methosulphate
Synonyms: 1-Methoxyphenazinium Methylsulfate, PMS
CAS Number: 299-11-6
Molecular Formula: C13H12N2O•CH3SO4
Use: Reagent for dehydrogenase activity assays in biochemistry
Manufacturer: Check the package label for source
Contact Information: Refer to supplier safety hotline and address
Emergency Phone: Call CHEMTREC or local poison center for urgent help
Classification: Harmful by ingestion, skin contact, and inhalation
Signal Word: Warning
Hazard Statements: Toxic if swallowed, irritating to respiratory system and skin, risk of serious damage to eyes
Pictograms: Exclamation mark, skull and crossbones
Precautionary Statements: Avoid dust formation, wear suitable gloves, eye protection, and face mask, wash thoroughly after handling
Chemical Name: Phenazine Methosulphate
Purity: ≥98%
Impurities: Negligible, below reporting thresholds
Ingredient: No complex mixture, chemical supplied as pure salt
Molecular Weight: Approx. 306.3 g/mol
Additives: None present that alter hazard classification
Inhalation: Move to fresh air, keep at rest, seek medical attention if symptoms persist, give oxygen if breathing is difficult
Skin Contact: Rinse skin continuously with water and remove contaminated clothing, wash area with soap and water, call physician if irritation continues
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, continue rinsing, get immediate medical help
Ingestion: Rinse mouth out, give plenty of water, do not induce vomiting, seek urgent medical advice
Suitable Extinguishing Media: Use CO2, dry powder, foam, or water spray
Hazards from Combustion: Combustion may produce toxic gases such as nitrogen oxides, carbon monoxide, sulfur oxides
Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective clothing
Firefighting Methods: Use water spray to cool unopened containers, move containers away from fire area if safe
Personal Precautions: Wear chemical-resistant gloves, eye protection, dust mask, avoid dust generation, do not breathe dust
Environmental Precautions: Prevent runoff into drains and waterways, contain spillage using spill kits
Methods for Clean-Up: Sweep up without creating dust, place in labeled chemical waste container, ventilate area and wash spill site after collection
Handling: Work in a fume hood, avoid skin or eye contact, use tools for dispensing rather than bare hands, avoid inhaling dust
Storage Conditions: Store in a cool, dry, well-ventilated space, keep container tightly sealed, protect from light, separate from oxidizers and incompatible chemicals
Storage Temperature: Store at 2–8°C for best stability
Engineering Controls: Use with local exhaust ventilation, work in a fume hood if possible
Personal Protection: Chemical-resistant gloves (nitrile recommended), safety goggles, lab coat, use dust respirator if required
Hygiene Measures: Wash hands thoroughly after handling, do not eat or drink in the work area, remove contaminated clothes and clean before reuse
Exposure Limits: No occupational exposure limit assigned, minimize exposure as much as possible
Appearance: Orange-red to brownish powder
Odor: Odorless
pH: Not applicable
Melting Point: Decomposes above 230°C
Boiling Point: Decomposes before boiling
Solubility: Soluble in water
Vapor Pressure: Not available
Relative Density: Not available
Flash Point: Not flammable solid
Partition Coefficient: Not determined
Chemical Stability: Stable under recommended storage conditions, decomposes gradually in presence of light and moisture
Reactivity: Avoid contact with strong oxidizers, acids, and bases
Hazardous Decomposition: Risk of toxic gas release under fire or high heat
Polymerization: Not expected under normal handling and storage
Routes of Exposure: Inhalation, ingestion, skin and eye contact
Acute Effects: Harmful if swallowed, causes irritation of the mouth, throat, nose, and skin
Chronic Effects: Organ damage possible after prolonged exposure, no confirmed carcinogenicity
LD50 Value: Oral (rat): 39 mg/kg (literature data)
Sensitization: No sensitization reported in available studies
Other Effects: Possible oxidative stress-related symptoms on repeated exposure
Toxicity to Aquatic Life: Harmful to aquatic organisms, may cause long-term effects in the water environment
Persistence and Degradability: Not readily biodegradable, may persist in soil or sediment
Bioaccumulation Potential: No significant bioaccumulation expected, but data limited
Mobility in Soil: Water soluble, may leach through soil and contaminate groundwater
Waste Disposal Methods: Place in sealed, labeled chemical waste container
Disposal of Packaging: Dispose of as hazardous chemical waste, do not reuse or recycle for food or drink purposes
Regulatory Instructions: Dispose according to local, regional, and national regulations for hazardous materials
Contaminated Waste: Handle and dispose with same precaution as pure product
UN Number: Not assigned for this compound in most jurisdictions
Transport Hazard Class: Not regulated for ground shipment, follow caution for laboratory chemicals
Packing Group: Not classified
Environmental Hazards: Avoid direct release to the environment during handling and shipping
Transport Labeling: Use proper chemical labeling and sealing per transport safety guidelines
Global Regulations: Not listed on major chemical regulation lists such as REACH, TSCA, or DSL
Labelling Requirements: Follow safety labeling for acute toxicity and irritation
Chemical Inventory Status: Check with country-specific government chemical registries
Other Restrictions: Professional use only, not for food, drug, or cosmetic manufacturing
