Pyrogallol

SIGMA/16040 - ACS reagent, ≥99%

Synonym: 1,2,3-Trihydroxybenzene; 2,3-Dihydroxyphenol; Pyrogallic acid

CAS Number: 87-66-1
Empirical Formula (Hill Notation): C₆H₆O₃
Molecular Weight: 126.11
EC Number: 201-762-9
MDL Number: MFCD00002192
Linear Formula: C₆H₃(OH)₃
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-16040-100G-R	100 g	$158.00 1/EAAdd To Favorites	Add To Favorites
45-16040-500G-R	500 g	$425.00 1/EAAdd To Favorites	Add To Favorites
45-16040-1KG-R	1 kg	$680.00 1/EAAdd To Favorites	Add To Favorites

anion traces	chloride (Cl^-): ≤10 mg/kg
	sulfate (SO₄^2-): ≤50 mg/kg
application(s)	pharmaceutical (small molecule)
assay	≥99%
bp	309 °C (lit.)
cation traces	Fe: ≤0.001%
	heavy metals (as Pb): ≤0.0005%
form	solid
grade	ACS reagent
ign. residue	≤0.005% (as SO₄)
InChI	1S/C6H6O3/c7-4-2-1-3-5(8)6(4)9/h1-3,7-9H
InChI key	WQGWDDDVZFFDIG-UHFFFAOYSA-N
mp	131.0-135.0 °C
	133-134 °C (lit.)
Quality Level	200
SMILES string	Oc1cccc(O)c1O
solubility	water: soluble
technique(s)	HPLC: suitable
vapor density	4.4 (vs air)
vapor pressure	10 mmHg ( 167.7 °C)

Symbol	GHS07,GHS08
Signal word	Warning
Hazard statements	H302 + H312 + H332 - H341 - H412
Precautionary statements	P273 - P280 - P301 + P312 - P302 + P352 + P312 - P304 + P340 + P312 - P308 + P313
Risk Statements	36/38
Safety Statements	26
RIDADR	NONH for all modes of transport
WGK Germany	WGK 1
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Application:	Pyrogallol has been used for preparing endothelial cell extract for determining vitamin E content using reverse-phase HPLC. It has also been used for preparing liver extracts for retinol analysis by using HPLC.
Biochem/physiol Actions:	Pyrogallol also referred to as 1,2,3-trihydroxybenzene inhibits the response to nitric oxide (NO) in the rat anococcygeus muscle.

Purity	≥99%
bp	309 °C (lit.)
mp	131.0-135.0 °C; 133-134 °C (lit.)
UNSPSC	12161700