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Product Name: Azomethine H Monosodium Salt Hydrate
Chemical Formula: C8H7NNaO4S·xH2O
CAS Number: 71032-48-7
Synonyms: Sodium-4-(2-hydroxy-1-naphthylazo)benzenesulphonate hydrate
Product Use: Laboratory reagent, analytical chemistry applications, colorimetric assays
Supplier: Company Name, Address, Emergency Phone Number, Email, Fax
Preparation Date: Month, Year
Revision Date: Month, Year
GHS Classification: Not classified as hazardous under GHS
Signal Word: None assigned
Hazard Statements: May cause mild irritation to eyes, skin, or respiratory tract on contact or inhalation
Precautionary Statements: Avoid contact with eyes or skin, use in well-ventilated area
Potential Health Effects: Short-term exposure can lead to redness or dryness on skin, irritation of mucous membranes in nose and throat, or slight eye irritation
Label Elements: No pictogram assigned
Chemical Name: Azomethine H, Monosodium Salt Hydrate
Concentration: Over 99% pure
Components: Azomethine H monosodium salt (active component); water of hydration
Impurities: Less than 1%, primarily inorganic salts
CAS Number: 71032-48-7
Inhalation: Move outdoors, breathe fresh air, obtain medical attention if discomfort persists.
Skin Contact: Remove contaminated clothing, wash skin thoroughly with soap and water.
Eye Contact: Rinse eyes with plenty of water for at least 15 minutes, lift eyelids as necessary, get medical help if irritation lingers.
Ingestion: Rinse mouth, drink water to dilute, do not induce vomiting, seek medical advice if feeling unwell.
Most Important Symptoms: Mild irritation, redness, possible dryness
Note to Physician: Treat symptomatically, monitor for allergic reactions or prolonged effects.
Flammability: Non-flammable solid
Suitable Extinguishing Media: Water spray, foam, dry chemical or CO2
Unsuitable Media: None known for small scale; avoid high-pressure water jets
Hazardous Combustion Products: Oxides of carbon, nitrogen, sulfur; sodium oxides
Protective Equipment for Firefighters: Full protective clothing, self-contained breathing apparatus
Special Procedures: Cool containers with water spray to prevent pressure build-up
Personal Precautions: Avoid inhalation or skin contact, ventilate area
Protective Equipment: Gloves, safety goggles, dust mask if dust generation likely
Environmental Precautions: Prevent large spills from entering drains or watercourses
Cleanup Methods: Carefully sweep up, collect in labeled containers, clean area with water and detergent, avoid creating dust
Disposal: Dispose of waste as per local regulations for hazardous laboratory chemicals
Safe Handling: Use in well-ventilated areas, minimize dust generation, handle using standard laboratory precautions
Storage Conditions: Store in tightly closed container, in a cool, dry place, protected from light and incompatible substances
Incompatibilities: Strong oxidizing agents, acids
Hygiene Measures: Wash hands after handling, avoid eating/drinking/smoking near product
Exposure Limits: None established for this compound
Engineering Controls: Use fume hood or local exhaust to minimize exposure
Personal Protective Equipment: Protective gloves (nitrile or latex), safety goggles, lab coat, dust mask if dust possible
Respiratory Protection: NIOSH-approved respirator for dust-producing operations
Environmental Controls: Prevent uncontrolled release to air, water, or soil
Appearance: Light yellow to orange powder or crystalline solid
Odor: Odorless or faint chemical odor
Solubility: Soluble in water
pH (1% solution): 7.5–8.5
Boiling Point: Not applicable (decomposes before boiling)
Melting Point: Data not available
Flash Point: Not applicable
Vapor Pressure: Not applicable
Relative Density: Approx. 1.5 g/cm³
Partition Coefficient: Data not available
Decomposition Temperature: Above 200°C
Viscosity: Not applicable (solid)
Chemical Stability: Stable under recommended storage conditions
Reactivity: Not reactive with common lab materials
Possibility of Hazardous Reactions: Reacts with strong acids or oxidizers
Conditions to Avoid: Moisture, excessive heat, light
Incompatible Materials: Strong acids, oxidizing agents
Hazardous Decomposition Products: Sulfur oxides, nitrogen oxides, sodium compounds under fire or extreme heat
Likely Routes of Exposure: Inhalation, skin, eyes, ingestion
Acute Toxicity: Low toxicity by all routes; oral LD50 (rat) not established but expected to be above 2000 mg/kg
Irritation: May cause mild skin, eye, or respiratory irritation, no known sensitization reports
Chronic Effects: No long-term effects documented in public literature
Carcinogenicity: Not classified as a carcinogen by IARC, NTP, OSHA
Mutagenicity: No data available, not expected to be mutagenic
Reproductive Toxicity: No relevant studies found
Medical Conditions Aggravated: Pre-existing respiratory or skin conditions may be slightly aggravated
Ecotoxicity: No acute toxicity expected for aquatic or terrestrial organisms at typical laboratory release levels
Persistence and Degradability: Expected to be poorly degradable in the environment
Bioaccumulation: Low potential, chemical is water-soluble
Mobility in Soil: High solubility likely supports broad dispersal through soil or water
Other Adverse Effects: Large, repeated releases may affect local water chemistry and living organisms
Waste Treatment Methods: Collect and store waste in closed, labeled containers
Disposal Recommendation: Handle according to local, regional, or national hazardous waste disposal rules
Incineration: May be incinerated by licensed operator
Environmental Precautions: Do not release large quantities into sewers or surface waters
Contaminated Packaging: Triple rinse empty containers, puncture to prevent reuse, and dispose according to regulations
UN Number: Not assigned
UN Proper Shipping Name: Not regulated for transport
Hazard Class: Not applicable
Packing Group: Not applicable
Transport Labels: None required
Special Precautions: Prevent spillage, keep tightly closed during transport, avoid temperature extremes
Environmental Hazards: Not classified as a marine pollutant
TSCA Status: Listed or exempt
DSL/NDSL (Canada): Listed
EU Regulation: Not classified as hazardous under Regulation (EC) No 1272/2008
SARA Title III (US): Not a hazardous substance, no Section 313 ingredients
REACH: Exempt or pre-registered
California Proposition 65: Not listed as a carcinogen or reproductive toxicant
Other Regulations: No specific workplace exposure limits
