pyrogallol red

Names

[ Name ]:
pyrogallol red

[Synonym ]:
MFCD00005046
Pyrogallol Red
PYROGALLOLROT
PYROGALLOLRED
PYHogallol Red
EINECS 251-134-3
3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide
PYROGALLOL SULFONPHTHALEIN

Chemical & Physical Properties

[ Density]:
1.082 g/mL at 20 °C

[ Boiling Point ]:
309 °C(lit.)

[ Melting Point ]:
133-134 °C(lit.)

[ Molecular Formula ]:
C₁₉H₁₂O₈S

[ Molecular Weight ]:
400.35900

[ Exact Mass ]:
400.02500

[ PSA ]:
141.90000

[ LogP ]:
3.70630

[ Appearance of Characters ]:
Liquid | Dark brown

[ Vapour density ]:
4.4 (vs air)

[ Vapour Pressure ]:
10 mm Hg ( 167.7 °C)

[ Index of Refraction ]:
n20/D 1.387

[ Storage condition ]:
Store at +5°C to +30°C.

[ Water Solubility ]:
Soluble in water, ammonium hydroxide (10 mg/ml), and ethanol.

MSDS

Click to get detail MSDS

Safety Information

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xn

[ Risk Phrases ]:
20/21/22-52/53-68-36/37/38

[ Safety Phrases ]:
36/37-61-24/25-22-36-26

[ RIDADR ]:
UN 2811 6.1/PG 3

[ WGK Germany ]:
3

[ RTECS ]:
UX2800000

[ HS Code ]:
2934991000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2934991000

[ Summary ]:
2934991000. sultones and sultams. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Articles

Application of a microplate-based ORAC-pyrogallol red assay for the estimation ofantioxidant capacity: First Action 2012.03.

J. AOAC Int. 95(6) , 1558-61, (2012)

A method was developed for microplate-based oxygen radicals absorbance capacity (ORAC) using pyrogallol red (PGR) as probe (ORAC-PGR). The method was evaluated for linearity, precision, and accuracy. ...

[Pyrogallol red technique is an alternative to routine urinary protein-determining methods].

Klin. Lab. Diagn. (6) , 17-21, (2007)

The paper presents the basic urinary protein-determining methods, such as turbidimetric and colorimetric ones and provides their brief analytical characterization. The authors consider the sulfosalicy...

Nafion-mercury coated film electrode for the adsorptive stripping voltammetric determination of lead and cadmium in the presence of pyrogallol red.

Talanta 99 , 119-24, (2012)

An adsorptive stripping voltammetric (AdSV) method is presented for the simultaneous determination of Pb(II) and Cd(II) at trace levels in natural waters, based on metal complexation with pyrogallol r...