© 2026 Sinochem Nanjing Corporation,
All Right Reserved
Product Name: Vanillin
Chemical Formula: C8H8O3
CAS Number: 121-33-5
Synonyms: 4-Hydroxy-3-methoxybenzaldehyde
Recommended Use: Flavoring agent, fragrance ingredient, chemical intermediate
Manufacturer Details: Provided by chemical supplier or manufacturer
Emergency Contact: Emergency Poison Control Center or listed number from supplier
UN Number: Not classified as hazardous for transport
Classification: Eye irritation category 2A, Skin irritation category 2
Signal Word: Warning
Hazard Statements: Causes serious eye irritation, causes skin irritation
Pictograms: Exclamation mark (GHS07)
Precautionary Statements: Avoid contact with eyes and skin, wash thoroughly after handling, wear protective clothing and eyewear
Potential Health Effects: Eye irritation, redness, discomfort, non-corrosive but may trigger dermatitis in sensitive individuals
Environmental Hazards: Not toxic to the environment under normal usage, significant spills may affect aquatic life negatively
Chemical Identity: Vanillin
CAS Number: 121-33-5
Concentration: 99%
Impurities, Stabilizing Additives: None reported in pure grade
Molecular Weight: 152.15 g/mol
Appearance: Off-white to pale yellow needle-like crystals
Inhalation: Move to fresh air, seek medical attention for symptoms such as coughing or respiratory irritation
Skin Contact: Wash with mild soap and water, remove contaminated clothing, consult doctor if irritation develops
Eye Contact: Rinse with water for at least 15 minutes lifting eyelids; get medical advice if discomfort persists
Ingestion: Rinse mouth thoroughly, seek medical attention if large quantity ingested or if symptoms develop
Symptoms: Redness, itching, burning sensation, gastrointestinal upset if swallowed
Advice to Doctors: Treat based on symptoms, no known specific antidote
Suitable Extinguishing Media: Water spray, dry chemical powder, foam, carbon dioxide
Unsuitable Media: Direct water jet may spread burning material
Specific Hazards: May emit irritating fumes and carbon oxides on combustion
Protective Equipment: Full protective gear, self-contained breathing apparatus
Firefighting Instructions: Approach fire from upwind side, avoid inhaling combustion byproducts
Flash Point: 147°C (open cup)
Explosion Risk: Fine powder dispersed in air in sufficient concentrations may form explosive dust mixtures
Hazardous Combustion Products: Carbon dioxide, carbon monoxide, unidentified organic compounds
Personal Precautions: Avoid dust formation, ventilate area, wear gloves and eye protection
Environmental Precautions: Prevent entry into drains, ditches, waterways; report large releases to local authorities
Methods for Cleanup: Collect spilled material with non-sparking tools, sweep or vacuum, place in suitable container for disposal
Cleanup Practices: Clean contaminated area with water and mild detergent, dispose of wash water as per local regulations
Decontamination Procedures: Non-reactive absorbent may be used for removal from surfaces
Waste Disposal: Follow disposal recommendations, avoid direct release to environment
Handling: Keep container tightly closed, minimize dust generation, use in well-ventilated area
Hygiene Practices: Wash hands before eating or drinking, remove contaminated clothing before entering eating areas
Storage Requirements: Store in a cool, dry, well-ventilated area away from heat or open flames
Incompatible Materials: Strong oxidizing agents, strong acids or bases
Storage Temperature: Recommended below 25°C
Packaging Materials: Store in original or equivalent sealed containers, avoid prolonged exposure to air or sunlight
Storage Precautions: Avoid moisture ingress, keep away from ignition sources, maintain good housekeeping in storage area
Occupational Exposure Limit: No established limit (consult national guidelines)
Engineering Controls: General or local exhaust ventilation to control airborne dust
Personal Protective Equipment (PPE): Safety glasses with side shields, impervious gloves, lab coat or protective clothing
Respiratory Protection: Dust mask or particulate respirator if dust exposure is likely
Skin Protection: Chemical resistant gloves, avoid prolonged or repeated skin contact
Eye/Face Protection: Safety goggles
Environmental Controls: Minimize release to environment, use closed systems if available
Workplace Practices: Regular housekeeping, prevent accumulation of powder on surfaces
Appearance: Off-white crystalline powder, faint vanilla odor
Molecular Weight: 152.15 g/mol
Melting Point: 81-83°C
Boiling Point: 285°C
Solubility: Soluble in ethanol, ether, and chloroform; slightly soluble in water
Specific Gravity: 1.056 g/cm³
Vapor Pressure: Negligible at room temperature
pH: Not applicable
Flash Point: 147°C
Odor Threshold: Detectable at low concentrations, distinctly sweet scent
Partition Coefficient (n-octanol/water): 1.21
Evaporation Rate: Not applicable
Viscosity: Not applicable (solid)
Explosive Properties: Potential for dust explosion
Oxidizing Properties: Not classified as oxidizing
Chemical Stability: Stable under recommended storage and handling conditions
Reactivity: Not reactive under normal conditions
Conditions to Avoid: Heat, open flame, sources of ignition, exposure to moisture
Incompatible Substances: Strong acids, bases, oxidizing agents
Polymerization: Not known to occur
Hazardous Decomposition: Carbon dioxide, carbon monoxide, unknown organic compounds
Corrosiveness: Non-corrosive to metals
Other Hazards: Dust formation can present risk of explosion in confined areas
Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity (oral LD50): 1580 mg/kg (rat)
Skin Corrosion/Irritation: Moderate irritant in some individuals
Eye Damage/Irritation: May cause severe eye irritation
Respiratory Sensitization: Dust may aggravate respiratory symptoms in sensitive people
Skin Sensitization: Possible in individuals with allergies
Chronic Effects: Prolonged exposure may cause dryness or cracking of skin
Carcinogenicity: Not classified as carcinogenic by IARC, ACGIH, NTP, or OSHA
Mutagenicity: Not considered mutagenic
Reproductive Toxicity: No data indicating reproductive toxicity
Symptoms of Overexposure: Eye redness, skin irritation, sore throat, headaches, nausea if swallowed
Aquatic Toxicity: Low hazard to aquatic organisms at normal concentrations
Persistence and Degradability: Readily biodegradable in the environment
Bioaccumulation Potential: Low
Mobility in Soil: Slightly mobile in soil, potential to leach if in powder form
Ecotoxicity Thresholds: Lethal doses significantly higher than environmental concentrations
Other Effects: Bulk spills may cause temporary oxygen depletion
Regulatory Evaluation: Not listed as hazardous to the environment under current chemical inventories
Product Disposal: Dispose in accordance with local, regional, and national regulations
Container Disposal: Triple rinse and recycle or dispose as hazardous waste
Preferred Method: Incineration or chemical landfill where permitted
Restrictions: Do not discharge to surface waters or sewers
Waste Identification: Non-hazardous chemical waste under most regulations
EPA Waste Number: Not listed
Special Precautions: Avoid contamination of environment during disposal
UN Number: Not classified as a dangerous good
Proper Shipping Name: Vanillin, not regulated for transport
Hazard Class: Not regulated
Packing Group: Not assigned
Label Requirements: None required
Transport Precautions: Protect containers from physical damage and keep tightly sealed
Environmental Hazards: None associated with transport
Special Precautions for Transport: Avoid moisture, prevent spillage
TSCA Status: Listed on the US Toxic Substances Control Act Inventory
EINECS/ELINCS: Listed (204-465-2)
DSL/NDSL: Listed in Canadian Domestic Substances List
OSHA Hazard Communication: Classified as hazardous based on physical properties
SARA Title III: Not subject to reporting
California Proposition 65: Not listed as a carcinogen or reproductive toxin
WHMIS Classification: D2B—Skin and eye irritant
REACH Status: Pre-registered or registered substance in accordance with EU regulations
Other Regulations: Follows detailed labeling and handling requirements in food and fragrance industries
