Name: Gallic Acid Monohydrate
Chemical Formula: C7H6O5·H2O
Appearance: White to light beige crystalline powder
Common Uses: Food additive, pharmaceutical intermediate, antioxidant research
Odor: Slight or odorless, blending right in alongside other powders in a lab setting
Synonyms: 3,4,5-Trihydroxybenzoic acid monohydrate
Potential Hazards: Skin and eye irritant, respiratory irritant if inhaled
GHS Classification: Irritant for eyes and skin
Signal Word: Warning
Hazard Statements: Causes mild to moderate irritation, especially with direct or prolonged contact
Pictogram: Exclamation mark used by safety officers, pointing toward the need for care and attention
Main Ingredient: Gallic Acid Monohydrate, usually over 99% purity in batches
Impurities: Trace water, minor organic acids
Molecular Weight: 188.14 g/mol
Source: Extracted from plants, synthesized for lab use
Inhalation: Remove to fresh air and breathe normally
Ingestion: Rinse mouth out, do not induce vomiting unless directed by a medical professional
Skin Contact: Wash with soap and water, seek medical help for persistent redness or soreness
Eye Contact: Flush with water for at least fifteen minutes, check for redness or lingering pain
Medical Attention: Watch for allergic reactions or symptoms of hypersensitivity, though rare
Flammability: Slight, but dust can catch fire if conditions are right
Suitable Extinguishing Media: Water spray, foam, dry chemical, or carbon dioxide
Special Hazards: Product may release carbon dioxide and carbon monoxide during combustion
Firefighter Protection: Use standard protection, including self-contained breathing apparatus to avoid inhaling fumes
Personal Precautions: Wear gloves, goggles, and a dust mask to avoid irritation
Environmental Precautions: Prevent spilled powder from entering drains or waterways
Cleanup Method: Scoop or sweep into a clean, dry container, minimize dust by dampening with water if safe
Disposal: Follow disposal guidance for organic chemicals to protect soil and water quality
Handling: Work in a well-ventilated space, limit contact, avoid creating airborne dust
Hygiene: Wash hands after handling, clean up spills promptly
Storage: Keep sealed away from heat, sunlight, and strong oxidizing agents
Temperature: Stable at room temperature, but best kept away from humidity and fluctuating conditions
Engineering Controls: Use fume hoods or exhaust systems during transfer and weighing
Personal Protective Equipment: Safety goggles, disposable gloves, lab coat
Respirators: Use if dust levels spike, especially in industrial handling
Work Practices: Never eat or drink near the powder, clean workspaces daily to avoid buildup
Appearance: Fine, almost chalky powder, white to faint tan
Melting Point: Decomposes near 250°C, may darken before melting
Solubility: Readily soluble in hot water, partially soluble in cold
pH: Acidic, lying between 3 and 4 for a typical aqueous solution
Odor: Nearly odorless, doesn’t warn of its presence, which can lead to surprise exposure
Density: Denser than table salt, packs efficiently
Stability: Holds up well under normal conditions if protected from moisture
Chemical Stability: Stable when dry and kept in a sealed container
Conditions to Avoid: High humidity, heat, exposure to air over long periods
Incompatible Materials: Strong oxidizing agents like peroxides
Hazardous Decomposition: Gives off carbon dioxide and carbon monoxide if overheated or burned
Acute Effects: Causes irritation to skin, eyes, and respiratory tract if mishandled
Chronic Effects: Repeated, prolonged exposure brings risk of dermatitis and sensitization
Ingestion: Low toxicity, but can upset the stomach or cause mild gastrointestinal issues
Carcinogenicity: Not considered a cancer risk under regular laboratory or industrial use
Mutagenicity: No evidence to suggest genetic impact in humans
Sensitization: Some cases document skin sensitivity developing with routine exposure
Persistence: Breaks down in water and soil, not likely to build up in animals or plants
Aquatic Toxicity: Limited data, generally low risk to aquatic life
Mobility: Soluble in water, could spread through soil if large spills aren’t contained
Bioaccumulation: Unlikely, doesn’t enter food chains easily
Environmental Behavior: Decomposes under typical outdoor conditions, especially when exposed to sunlight and moisture
Method: Collect and place solid material in suitable containers for chemical waste
Regulation: Aligns with hazardous waste provisions if mixed with other solvents or chemicals
Household Disposal: Never flush or throw into regular trash, consult local guidelines
Industrial Disposal: Send through approved chemical waste handlers, protect workers throughout the process
Classification: Not typically classed as hazardous for transport
Packing: Use tightly closed containers, protect from moisture and shock
Labeling: Clearly labeled with chemical name and hazard information
Handling: Avoid shaking or creating airborne particulate during loading and unloading
Spill Response: Sweep up carefully, avoid contact with water during transit to prevent accidental reactions
Status: Not listed as a controlled substance under most chemical regulations
Labeling Requirements: Packages typically require hazard labels for irritant properties
Workplace Rules: Subject to standard chemical hygiene and exposure policies
Environmental Requirements: Must comply with local environmental laws, especially regarding accidental release and disposal
User Guidelines: Anyone working with this product benefits from up-to-date training on safe handling, spill response, and health monitoring to avoid common oversights seen in academic and industrial labs alike
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