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Product Name: Benzaldehyde
Chemical Formula: C7H6O
Synonyms: Benzenecarboxaldehyde, Artificial almond oil, Benzene carbaldehyde
CAS Number: 100-52-7
Recommended Use: Laboratory chemical, flavoring agent, fragrance, intermediate
Supplier: Chemical distributors and manufacturers globally
Contact Information: Supplier address, emergency phone, email as per container label
Classification: Flammable liquid, acute toxicity (oral, skin, inhalation), eye irritation
GHS Label Elements: Signal word: Warning
Hazard Statements: Causes serious eye irritation, harmful if swallowed, may cause respiratory irritation, combustible liquid
Pictograms: Exclamation mark, health hazard
Precautionary Statements: Avoid breathing vapors, wear protective gloves and eye protection, wash thoroughly after handling, keep away from heat and ignition sources, use only in well-ventilated areas
Other Hazards: Prolonged exposure may cause irritation of skin and mucous membranes, strong odor causes headaches or nausea in high concentrations
Chemical Name: Benzaldehyde
Concentration: ≥99% by weight
Impurities: Potential trace impurities from manufacturing processes, detailed in the supplier certificate
Other Ingredients: No significant stabilizers or additives are present in reagent-grade material
CAS: 100-52-7
EC Number: 202-860-4
Inhalation: Remove person from exposure area to fresh air. If breathing becomes difficult, get immediate medical attention.
Skin Contact: Remove contaminated clothing, rinse skin with plenty of water and soap.
Eye Contact: Rinse cautiously with water for at least 15 minutes, holding eyelids open. Remove contact lenses if present and easy to do.
Ingestion: Rinse mouth, do not induce vomiting. Seek prompt medical assistance.
Most Important Symptoms: Cough, sore throat, skin redness, tearing eyes, headache, gastrointestinal upset
Notes for Medical Providers: Symptomatic treatment, monitor for respiratory distress, provide support as indicated
Suitable Extinguishing Media: Dry chemical powder, carbon dioxide, foam, alcohol-resistant foam
Unsuitable Media: Avoid direct water jets
Specific Hazards: Vapors heavier than air, spread along floors, may form explosive mixtures with air
Hazardous Combustion Products: Carbon monoxide, carbon dioxide, irritating fumes
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective clothing
Firefighting Instructions: Move containers away from fire if possible. Cool exposed tanks with water spray.
Personal Precautions: Wear appropriate protective equipment including gloves, goggles, and chemical-resistant apron. Ventilate area of leak or spill. Avoid breathing vapors.
Environmental Precautions: Prevent entry into sewers, waterways, or soil. Notify authorities if large spill.
Methods for Clean-Up: Absorb with inert material (sand, earth, vermiculite), collect in a chemical waste container. Clean area with water and detergent.
Reference to Other Sections: Use personal protection as listed in Section “Exposure Controls and Personal Protection”.
Handling: Wear suitable protective clothing, handle in well-ventilated area. Avoid contact with skin, eyes, and clothing. Keep container tightly closed. Prevent generation of vapors. Use local exhaust.
Storage: Store in original container in a cool, dry, well-ventilated place, away from sources of ignition and incompatible materials such as oxidizers and acids.
Specific Instructions: Keep away from direct sunlight. Ensure containers remain tightly sealed. Ground and bond containers during transfer.
Occupational Exposure Limits: OSHA PEL and ACGIH TLV not established for benzaldehyde. Avoid exceeding recommended exposure levels of 2-8 ppm as a safety guideline.
Engineering Controls: Use with adequate ventilation or fume hood. Maintain eye wash stations and safety showers.
Personal Protective Equipment: Chemical splash goggles, rubber or nitrile gloves, lab coat or apron, proper respiratory protection if ventilation is insufficient
Hygiene Measures: Wash hands before breaks and at end of work. Keep contaminated clothing separate. Change gloves regularly.
Appearance: Colorless to pale yellow liquid
Odor: Characteristic almond-like aroma
Odor Threshold: 0.03 ppm (perceptible at low concentrations)
Melting Point: -26 °C
Boiling Point: 179 °C
Flash Point: 64 °C (open cup)
Evaporation Rate: Moderate, slower than water
Flammability: Combustible liquid
Explosion Limits: 1.4% to 8.0% (v/v in air)
Vapor Pressure: 1 mmHg at 20 °C
Solubility: Soluble in alcohol, ether, chloroform; low solubility in water (3.3 g/L at 20°C)
Density: 1.044 g/cm³
Partition Coefficient: log Kow: 1.48
Viscosity: 1.3 mPa·s at 25°C
Auto-ignition Temperature: 192 °C
Molecular Weight: 106.12 g/mol
Chemical Stability: Stable under recommended conditions of handling and storage
Reactivity: Incompatible with strong oxidizers, acids, alkalis, and strong reducing agents
Hazardous Reactions: May react exothermically with oxidizers
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide on combustion
Polymerization: Will not occur under normal conditions
Acute Toxicity: LD50 (oral, rat): 1300 mg/kg; LD50 (dermal, rabbit): >1250 mg/kg
Inhalation: May cause respiratory irritation, dizziness, headache at high concentrations
Skin: Irritation or dermatitis with prolonged or repeated contact
Eyes: Severe irritation, redness, watering, pain
Chronic Effects: Repeated or prolonged exposure may cause sensitization or allergic reactions in susceptible individuals
Carcinogenicity: Not listed by IARC, NTP, OSHA
Mutagenicity: Data not conclusive, some genotoxicity observed in test systems
Reproductive Toxicity: No definitive evidence in available studies
Additional Information: Unpleasant odor limits accidental overexposure
Ecotoxicity: Toxic to aquatic organisms; LC50 for fish (96h): 22 mg/L (Pimephales promelas)
Persistence and Degradability: Exhibits moderate biodegradation in aquatic and terrestrial environments
Bioaccumulation Potential: Low potential (log Kow 1.48)
Mobility in Soil: Moderate mobility due to partial water solubility
Other Adverse Effects: Volatilizes from water and soil surfaces
Precautions: Avoid release to the environment, minimize runoff and spillage
Disposal Methods: Incinerate in a chemical incinerator equipped with afterburner and scrubber, follow all local, regional, national, and international regulations.
Container Disposal: Triple-rinse and puncture containers before recycling or disposal.
Precautions: Do not discharge into drains, surface water, or soil.
Local Regulations: Check with competent authority for special instructions or restrictions
UN Number: UN 1990
Proper Shipping Name: Benzaldehyde
Transport Hazard Class: 9 (Miscellaneous dangerous substances and articles)
Packing Group: III
Labels Required: Miscellaneous, Environmentally hazardous
Transport Precautions: Keep container tightly sealed, upright, and away from heat sources during transit
Marine Pollutant: Yes, avoid transport with food and feedstuffs
Regulations: Listed in TSCA inventory (US), EINECS (EU), DSL (Canada)
Hazard Label: Complies with OSHA Hazard Communication Standard, GHS labeling
Chemical Safety Assessment: Completed for workplace risks in accordance with relevant chemical regulations
Other Requirements: Environmental release reporting under SARA Title III may apply. Ensure compliance with EU REACH registration if importing into European Union. Check regional workplace exposure and storage restrictions.
