Pyrogallol
- Createtime： 2026-04-14
- Updatetime： 2026-04-15
Product Details
| useage |
Industrial use
|
| deliveryInfo |
|
| appearance |
powder
|
| Molecular Weight |
126.11
|
| aliasen |
|
| supplyCapacity |
50000MT/Month
|
| harbor |
Qingdao,China
|
| minorder |
1KG
|
| Appearance |
White crystalline powder
|
Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
Basic Information
Product Name: Pyrogallol
CAS Number: 87-66-1
Alias: 1,2,3-Benzenetriol; Pyrogallic acid
Molecular Formula: C6H6O3
Molecular Weight: 126.11
IUPAC Name: benzene-1,2,3-triol
Structural Information
- Structure Type: Aromatic polyhydric phenol
- Structural Features: Benzene ring bonded with three adjacent hydroxyl groups, strong reducing property.
Physical & Chemical Properties
- Appearance: White crystalline powder
- Odor: Odorless
- Melting Point: 131-133 °C
- Density: 1.453 g/cm3
- Solubility: Freely soluble in water, ethanol and ether; slightly soluble in benzene
- Stability: Easy to oxidize and darken when exposed to air and light; aqueous solution turns brown gradually.
Synthesis & Applications
Production Method
Prepared by dry distillation of gallnut or hydrolysis of gallic acid.
Main Applications
- Analytical Reagent: Used for metal ion detection and gas analysis.
- Photographic Industry: Developer and antioxidant.
- Chemical Synthesis: Intermediate for dyes, medicines and pesticides.
- Cosmetics & Daily Chemicals: Antioxidant and hair dye raw material.
Safety & Storage Instructions
- Hazard Classification: Irritant; harmful if swallowed, irritates skin, eyes and respiratory tract.
- Personal Protection: Wear dust mask, goggles and chemical resistant gloves. Avoid contact and inhalation.
- Storage Condition: Sealed, cool, dry and dark place; keep away from air and oxidants.
- Transportation: General chemicals; prevent package damage, light and moisture.
Quality Specifications
- Purity: ≥99.0% (HPLC)
- Loss on Drying: ≤0.5%
- Residue on Ignition: ≤0.1%
- Melting Range: 131-133 °C
Information Summary Table
| Item | Specification |
| CAS Number | 87-66-1 |
| Product Name | Pyrogallol |
| Synonym | 1,2,3-Benzenetriol |
| Molecular Formula | C6H6O3 |
| Molecular Weight | 126.11 |
| Appearance | White crystalline powder |
| Melting Point | 131-133 °C |
| Solubility | Soluble in water, ethanol and ether |
| Purity | ≥99.0% |
| Storage Condition | Sealed, cool, dry and dark place |
| Hazard Property | Irritant, harmful by ingestion |
| Main Usage | Analytical reagent, photographic developer, chemical intermediate |
