Pyrogallol
Also known as: 1,2,3-Benzenetriol, 1,2,3-Trihydroxybenzene, benzene-1,2,3-triol, Pyrogallic acid, gallol, 2,3-Dihydroxyphenol, C.I. Oxidation Base 32, Fourrine 85, Fourrine PG, Piral
Pyrogallol (CAS 87-66-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H6O3 and a molecular weight of 126.110 g/mol. Key properties include a melting point of 131-135 ºC, a boiling point of 309 ºC, a density of 1.453 and a flash point of 164.3±16.9 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H341 — Suspected of causing genetic defects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 87-66-1
- Jingsj CID
- J-1002628-9
- Molecular Formula
- C6H6O3
- Molecular Weight
- 126.110 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 131-135 ºC |
|---|---|
| Boiling Point | 309 ºC |
| Density | 1.453 |
| Flash Point | 164.3±16.9 °C |
| Exact Mass | 126.031693 |
| PSA | 60.69000 |
| LogP | 0.29 |
| Additional Property | 4.4 (vs air) |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.677 |
| Additional Property | 400 g/L (25 ºC) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H341 — Suspected of causing genetic defects
- H412 — Harmful to aquatic life with long lasting effects
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Han BR, et al. MAPK inhibitors enhance cell death in pyrogallol-treated human pulmonary fibroblast cells via increasing O 2 •- levels. Oncol Lett. 2017 Jul;14(1):1179-1185. |
Customs & Trade Information
| HS Code | 2907299090 |
|---|---|
| Summary | 2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Pyrogallol?
The CAS number of Pyrogallol is 87-66-1.
What are the molecular formula and molecular weight of Pyrogallol?
Pyrogallol has molecular formula C6H6O3 and molecular weight 126.110 g/mol.
Is Pyrogallol hazardous?
Pyrogallol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H341 — Suspected of causing genetic defects.
What are the upstream and downstream products of Pyrogallol?
For Pyrogallol, Upstream Products: 1,2,3-Triacetoxybenzene, 2,2,6,6-tetrachlorocyclohexan-1-one, 2,6-Dimethoxyphenol; Downstream Products: 7,8-Dihydroxyflavone, Daphnetin, Pyrogallol red.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pyrogallol (CAS 87-66-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1002628-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.