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Product Name: Salicylaldehyde
Chemical Formula: C7H6O2
Synonyms: o-Hydroxybenzaldehyde, 2-Hydroxybenzaldehyde
CAS Number: 90-02-8
Recommended Use: Pharmaceutical intermediate, laboratory reagent, flavor or fragrance compound
Supplier’s Information: Chemical manufacturer or distributor details, emergency telephone numbers, local office address, email contact for technical support
GHS Classification: Acute toxicity (oral, category 4), skin irritation (category 2), eye irritation (category 2A)
Label Elements: Hazard pictograms (exclamation mark), signal word “Warning”, hazard statements for skin, eyes, and ingestion
Hazard Statements: Harmful if swallowed, causes skin irritation, causes serious eye irritation
Precautionary Statements: Wear protective gloves and eye protection, avoid breathing dust or vapor, wash thoroughly after handling, do not eat or drink during use
Chemical Name: Salicylaldehyde
CAS Number: 90-02-8
Concentration: >99% by weight
Impurities: Trace amounts of related aromatic compounds below regulatory limits
Inhalation: Move a person to fresh air quickly, keep them at rest and comfortable, seek medical attention if breathing feels difficult or if coughing starts
Skin Contact: Remove contaminated clothing, wash exposed skin with plenty of water and mild soap for at least 15 minutes, medical advice may help for persistent irritation
Eye Contact: Rinse eyes gently with clean water for at least 15 minutes lifting upper and lower eyelids, remove contact lenses if present, receive medical care if irritation stays
Ingestion: Rinse mouth with water, do not induce vomiting, seek medical help right away if struggling or showing symptoms
Suitable Extinguishing Media: Dry chemical, carbon dioxide, alcohol-resistant foam, water spray
Unsuitable Extinguishing Media: Direct water jet
Specific Hazards: Emits toxic fumes of carbon monoxide, carbon dioxide, can form explosive mixtures with air under certain conditions
Special Protective Equipment for Firefighters: Full protective clothing, self-contained breathing equipment, measures to prevent run-off contamination
Firefighting Procedures: Approach fire from upwind, remove containers from fire area if safe, cool nearby containers by spraying water
Personal Precautions: Wear chemical-resistant gloves, safety goggles, protective suit, prevent inhaling vapors or skin contact
Environmental Precautions: Prevent entry into soil, sewers, rivers, or drains, contain spill with sand or non-combustible absorbent
Methods for Clean-up: Collect spilled material with absorbent, store in labeled waste containers, wash spill area with water, ventilate area completely
Safe Handling Practices: Avoid contact with skin, eyes, clothing, avoid inhaling vapors, use well-ventilated workspaces, keep away from ignition sources
Storage Conditions: Store in tightly closed containers under cool, dry, well-ventilated conditions, keep container away from heat, sparks, open flames, incompatible materials
Special Storage: Use corrosion-resistant shelves and secondary containment for larger volumes
Incompatible Materials: Strong oxidizers, acids, bases, reducing agents
Occupational Exposure Limits: No specific exposure limits assigned, use general limits for nuisance dust and organic vapor where available
Engineering Controls: Local exhaust ventilation, general mechanical ventilation, use of fume hoods preferred for laboratory work
Personal Protective Equipment: Chemical-resistant gloves (nitrile or neoprene), splash-proof goggles, lab coat or apron, NIOSH-approved organic vapor respirator where vapor exceeds nuisance level
Hygiene Measures: Wash hands thoroughly after handling, remove contaminated clothing before re-use
Appearance: Colorless to pale yellow oily liquid
Odor: Bitter almond-like, aromatic
Boiling Point: 196°C (385°F)
Melting Point: -7°C (19°F)
Density: 1.163 g/cm³ at 20°C
Solubility: Slightly soluble in water, miscible with alcohol, ether, chloroform
Vapor Pressure: 0.1 mmHg at 20°C
Flash Point: 82°C (179°F)
pH: Not applicable (non-aqueous liquid)
Chemical Stability: Stable under recommended storage conditions
Hazardous Reactions: May react with strong oxidizers, acids, alkali
Hazardous Decomposition Products: Carbon oxides
Conditions to Avoid: Heat, flames, sparks, exposure to air for prolonged periods
Acute Toxicity: Oral LD50 (rat): approximately 700 mg/kg
Skin Corrosion/Irritation: Irritant to skin
Serious Eye Damage/Irritation: Causes significant irritation
Respiratory or Skin Sensitization: Can trigger allergic response in sensitive individuals
Chronic Effects: Prolonged or repeated exposure may damage liver and kidneys
Symptoms: Burning eyes, headache, nausea, skin redness
Ecotoxicity: Harmful to aquatic life, toxic to fish in high concentrations
Persistence and Degradability: Decomposes in environment via aerobic processes
Bioaccumulation Potential: Low potential for accumulation in living organisms
Mobility in Soil: Expected to have moderate mobility based on solubility
Other Adverse Effects: Avoid leaks and spills into waterways, prevent product from entering soil or groundwater
Waste Disposal Methods: Dispose through licensed chemical waste contractor, incinerate in chemical incinerator with afterburner and scrubber
Contaminated Packaging: Triple rinse empty containers before disposal, follow local waste disposal regulations for containers
Special Precautions: Avoid discharge to environment, follow all local, regional and national laws regarding hazardous waste handling
UN Number: 2810
UN Proper Shipping Name: Toxic liquid, organic, n.o.s. (Salicylaldehyde)
Transport Hazard Class: 6.1
Packing Group: III
Environmental Hazards: Marine pollutant, keep away from foodstuffs
Special Precautions for User: Ensure packaging remains sealed, follow all labeling requirements for hazardous materials, provide documentation for emergency response
Safety, Health and Environmental Regulations: Listed on TSCA (U.S.), EINECS (EU), and similar chemical inventories
SARA Title III: Not listed as an Extremely Hazardous Substance
OSHA Standard: Satisfies Hazard Communication requirements
WHMIS (Canada): D2B (Toxic material causing other toxic effects)
Labeling Requirement: Must display hazard warnings according to GHS and local laws, keep copy of MSDS with shipment
Restrictions: Not to be used as a food additive, for non-laboratory research only, additional controls apply for large-volume processes
