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Pyrogallol Crystals Extra Pure
Original price was: $ 18.00.$ 17.87Current price is: $ 17.87.
Pyrogallol Crystals Extra Pure are high-purity white to pale yellow crystalline solids with strong reducing properties. Widely used as a reducing agent in analytical chemistry and organic synthesis, they play an important role in oxygen absorption and measurement. Their antioxidant nature finds applications in pharmaceuticals and photographic development. Pyrogallol must be handled carefully as it is sensitive to oxidation by air and light, and can cause irritation upon contact. Proper storage in dark, airtight containers preserves its stability and performance.
Pyrogallol Crystals Extra Pure
PRIMARY USES
- Analytical Reagent & Laboratory Applications:
Used as a reducing agent in chemical analysis and spectrophotometry
• Serves in oxygen absorption and measurement in gas analysis
• Employed in organic synthesis as an antioxidant and reducing agent - Pharmaceutical & Cosmetic Industry:
Used in pharmaceutical formulations as an antioxidant
• Applied in hair dyes and coloring products - Chemical Industry:
Utilized in photographic developers and processing solutions
• Acts as a reagent in various chemical manufacturing processes
SECONDARY USES
- Laboratory Chemicals:
Used for calibration of oxygen analyzers and sensors
• Applied in research laboratories for redox reaction studies - Environmental and Green Chemicals:
Used in environmental monitoring for oxygen concentration measurement
1. Basic Identification Attributes
- Chemical Name: Pyrogallol
• CAS Number: 87-66-1
• HS Code: 2932.22.00
• Molecular Formula: C₆H₆O₃
• Synonyms:
- 1,2,3-Trihydroxybenzene
- Pyrogallic acid
2. Physical & Chemical Properties
Physical State: Crystals or crystalline powder
• Color & Odor: White to pale yellow, odorless
• Melting Point: 132 °C
• Boiling Point: Decomposes before boiling
• Density: 1.46 g/cm³
• Solubility:
- Soluble in water, alcohol, and ether
• pH Level: Slightly acidic in aqueous solution
• Vapor Pressure: Low
• Flash Point: Not applicable
• Stability: Sensitive to air and light; may oxidize
3. Safety & Hazard Attributes
- Hazard Class (GHS Classification):
- Harmful if swallowed (Category 4)
- Causes skin irritation (Category 2)
- Causes serious eye irritation (Category 2A)
- May cause respiratory irritation
• NFPA Ratings: - Health: 2
- Flammability: 1
- Reactivity: 1
• Exposure Limits: - No specific OSHA PEL or ACGIH TLV established
• Reactivity: - Sensitive to oxidation by air and light
- May react with strong oxidizers
4. Storage & Handling Attributes
- Storage Conditions:
- Store in a cool, dry, dark place in tightly closed containers
- Protect from moisture, air, and light
• Incompatible Materials: - Strong oxidizing agents, acids, and bases
• Container Type: - Glass or airtight plastic containers
• Shelf Life: - Stable if stored properly, but prone to gradual oxidation
• Special Handling Requirements: - Use gloves, goggles, and work in well-ventilated areas
- Avoid dust formation and inhalation
5. Regulatory & Compliance Attributes
- Regulatory Status:
- Listed under REACH and various chemical inventories
- Controlled substance regulations vary by jurisdiction
• Transportation Restrictions: - Not classified as hazardous for transport
• Waste Disposal Method: - Dispose according to local environmental regulations, avoid release to environment
6. Environmental & Health Impact
- Ecotoxicity:
- Moderate toxicity to aquatic life
• Persistence in Environment: - May degrade by oxidation under environmental conditions
• Carcinogenicity/Mutagenicity: - Not classified as carcinogenic or mutagenic
• Biodegradability: - Organic compound; biodegradable under aerobic conditions
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
• Wear chemical-resistant gloves, safety goggles, and lab coat
• Use dust mask or respirator if dust is generated
Handling:
• Avoid inhalation, ingestion, and skin or eye contact
• Handle in a fume hood or well-ventilated area
• Wash hands thoroughly after handling
Storage:
• Store in tightly sealed containers away from light and air
• Keep in a cool, dry place
FIRST AID MEASURES
Inhalation:
• Move to fresh air immediately
• Seek medical attention if respiratory irritation occurs
Skin Contact:
• Wash thoroughly with soap and water
• Remove contaminated clothing
• Seek medical attention if irritation develops
Eye Contact:
• Rinse immediately with plenty of water for at least 15 minutes
• Seek medical attention promptly
Ingestion:
• Rinse mouth with water
• Do not induce vomiting unless directed by medical personnel
• Seek medical attention immediately
FIRE FIGHTING MEASURES
Flammability:
• Slightly flammable solid
Extinguishing Media:
• Use dry chemical, CO₂, foam, or water spray
Hazardous Combustion Products:
• May release carbon oxides and phenolic fumes upon burning
Firefighter Protection:
• Wear self-contained breathing apparatus and protective clothing
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