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Specifications:
| Application | Analytical Chemistry | ||
| Storage Temperature | Ambient | ||
| Product Type | Laboratory Chemical | Forms | Powder |
| Product Brand | Thermo Fisher Scientific™ | ||
| Product Grade | Analytical grade | Formula | C₆H₆O₃ |
Thermo Scientific™ Pyrogallol (also known as benzene-1,2,3-triol or 1,2,3-trihydroxybenzene) is a high-purity phenolic compound supplied at ≥99% assay, suitable for analytical chemistry, industrial processing, pharmaceutical research, and specialized laboratory applications. It is provided as a white to off-white crystalline powder and manufactured under strict quality control to ensure reproducibility, consistency, and traceability.
Pyrogallol is a strong reducing agent with a high affinity for oxygen, making it valuable in applications requiring oxygen scavenging, redox reactions, and controlled oxidation studies. Due to its chemical reactivity and toxicological profile, it is classified as a toxic substance and must be handled in accordance with established laboratory safety procedures.
Key Features
- High purity (≥99%) pyrogallol for analytical and research use
- Strong reducing agent with oxygen-absorbing properties
- Supplied as crystalline powder with defined melting point
- Low levels of heavy metals and inorganic impurities
- Verified by HPLC and infrared spectroscopy
- Manufactured and quality-assured by Thermo Scientific™
Applications
- Analytical chemistry as a reducing and oxygen-scavenging reagent
- Gas analysis for oxygen absorption and quantification
- Photographic processing and specialty imaging chemistry
- Chemical synthesis and intermediate preparation
- Pharmaceutical and biochemical research
- Quality control and method development in industrial laboratories
Chemical & Physical Properties
| Parameter | Specification |
|---|---|
| Synonyms | Benzene-1,2,3-triol; 1,2,3-Trihydroxybenzene |
| CAS Number | 87-66-1 |
| Molecular Formula | C₆H₆O₃ |
| Molecular Weight | 126.11 g/mol |
| Appearance | White to off-white crystalline powder |
| Melting Point | 131–135 °C |
| Boiling Point | 309 °C (1013 hPa) |
| Density | 1.453 g/cm³ (20 °C) |
| Storage Temperature | Ambient |
| UN Number | UN 2811 |
| ADR Classification | Class 6.1 (Toxic), Packing Group III |
| EINECS | 201-762-9 |
Quality Specifications
| Test | Specification |
|---|---|
| Assay (HPLC) | ≥98.5% |
| Infrared Spectrum | Conforms |
| Sulfated Ash | ≤0.1% |
| Arsenic (As) | ≤0.5 ppm |
| Heavy Metals (as Pb) | ≤5 ppm |
| Calcium (Ca) | ≤20 ppm |
| Potassium (K) | ≤20 ppm |
| Iron (Fe) | ≤5 ppm |
| Magnesium (Mg) | ≤5 ppm |
| Nitrogen Compounds (as N) | ≤5 ppm |
Safety & Handling
- Classified as toxic (ADR Class 6.1)
- Use appropriate personal protective equipment (PPE)
- Handle in a well-ventilated area or fume hood
- Refer to the Safety Data Sheet (SDS) before use
Available Pack Sizes & Ordering Information
| Pack Size | Packaging | Product Code |
|---|---|---|
| 100 g | Plastic bottle | 164561000 |
| 500 g | Plastic bottle | 164565000 |
| 2.5 kg | Plastic bottle | 164560025 |
Thermo Scientific™ Pyrogallol 99% is a high-quality, analytically verified reagent designed for demanding laboratory and industrial applications requiring strong reducing capability and controlled reactivity. With stringent impurity limits, reliable performance, and flexible packaging options, it is an essential chemical for analytical, research, and specialty processing environments.
- Pack Size: 100g 500g 2.5kg