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Pyrogallol CAS 87-66-1
Pyrogallol 87-66-1 1,2,3-Trihydroxybenzene
1,2,3-Benzenetriol; 1,2,3-Trihydroxybenzene; C.I. 76515 CAS 87-66-1
C.I. Oxidation Base 32; Pyrogallol [NF X]; 1,2,3-Benzenetriol; 1,2,3-Trihydroxybenzene; Pyrogallic acid~1,2,3-Trihydroxybenzene; Pyrogallol solution; 1,2,3-Trihydroxybenene; Pyrogallic acid
Name: Pyrogallol
Synonyms: 1,2,3-Trihydroxybenzen;1,2,3-trihydroxy-benzen;1,2,3-trihydroxybenzen(czech);1,2,3-trihydroxybenzene(pyrogallol);2,3-Dihydroxyphenol;Benzene, 1,2,3-trihydroxy-;benzene-1,2,3-triol;C.I. Oxidation Base 32
CAS: 87-66-1
MF: C6H6O3
MW: 126.11
EINECS: 201-762-9
Product Categories: FINE Chemical & INTERMEDIATES;Aromatic Hydrocarbons (substituted) & Derivatives;ACS Grade;Building Blocks;Chemical Synthesis;Essential Chemicals;Inorganic Salts;Organic Building Blocks;Oxygen Compounds;Polyols;Research Essentials;Solutions and Reagents;Hypericum perforatum (St John′;Nutrition Research;Phytochemicals by Plant (Food/Spice/Herb);s wort);Pharmacopoeia;Pharmacopoeia A-Z;Food additive , Antioxidant anticorrosive
Mol File: 87-66-1.mol
Pyrogallol Structure
Pyrogallol Chemical Properties
Melting point 43-47 °C(lit.)
Boiling point 309 °C
density 1.112 g/mL at 25 °C(lit.)
vapor density 4.4 (vs air)
vapor pressure 10 mm Hg ( 167.7 °C)
refractive index n20/D 1.387
Fp >230 °F
storage temp. Desiccate at RT
solubility water: soluble
form Very Fine Crystalline Powder
pka pK1:9.03(0);pK2:11.63(+1) (25°C)
color White
PH 4-5 (50g/l, H2O, 20℃)
Water Solubility 400 g/L (25 ºC)
Sensitive Light Sensitive
Merck 14,8000
BRN 907431
Stability: Stability Stable, but decolourises in light. Combustible. Incompatible with strong oxidising agents, alkalies, metal oxides, ammonia, antipyrine, phenol, iodine, lime water, menthol, potassium permanganate, strong bases.
InChIKey WQGWDDDVZFFDIG-UHFFFAOYSA-N
CAS DataBase Reference 87-66-1(CAS DataBase Reference)
NIST Chemistry Reference 1,2,3-Benzenetriol(87-66-1)
EPA Substance Registry System 1,2,3-Benzenetriol(87-66-1)
Safety Information
Hazard Codes Xn
Risk Statements 20/21/22-52/53-68-40-36/38
Safety Statements 22-24/25-61-36/37-26
RIDADR UN 2811 6.1/PG 3
WGK Germany 3
RTECS UX2800000
F 8
TSCA Yes
HS Code 2907 29 00
MSDS Information
Pyrogallol is an organic compound with the formula C6H3(OH)3. It is a white solid although because of its sensitivity toward oxygen, samples are typically brownish. It is one of three isomeric benzenetriols.
Appearance & Physical State odorless white to gray solid
Density 1.453
Boiling Point 309ºC
Melting Point 131-135ºC
Flash Point 164.4ºC
Refractive Index n20/D 1.387
Water Solubility 400 g/L (25 ºC)
Stability Stability Stable, but decolourises in light. Combustible. Incompatible with strong oxidising agents, alkalies, metal oxides, ammonia, antipyrine, phenol, iodine, lime water, menthol, potassium permanganate, strong bases.
Vapor Density 4.4 (vs air)
Vapor Pressure 10 mm Hg ( 167.7 °C)
Safety Info
RTECS UX2800000
Hazard Class 6.1
Safety Statements S36/37-S61
HS Code 2907299090
WGK Germany 3
Packing Group III
RIDADR UN 1814/2811
Pyrogallol Usage And Synthesis
Chemical Properties white crystalline solid
Uses Metal-complexing agent
Uses Complexing agent; reducing agent; alkaline solution indicator for gaseous oxygen.
Uses Pyrogallol is used in the manufacture of various dyes; in dyeing furs, hairs, and feathers; for staining leather; in engraving;as a developer in photography; and as an analytical reagent..
Definition ChEBI: A benzenetriol carrying hydroxy groups at positions 1, 2 and 3.
General Description Odorless white to gray solid. Sinks and mixes with water.
Pyrogallol Preparation Products And Raw materials
Preparation Products Atracurium besylate -->1,2,3-Trimethoxybenzene-->Ubidecarenone-->1,4-BUTANEDIOL DIACRYLATE-->4-Hydroxybutyl acrylate-->7,8-DIHYDROXY-4-METHYLCOUMARIN-->3,4,5,2',3',4'-Hexahydroxybenzophenone-->BENDIOCARB-->1-CHLOROMETHYL-2,3,4-TRIMETHOXYBENZENE-->Gallamine triethiodide-->GALLEIN
Tag:Pyrogallol(87-66-1)
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