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P8759

Sigma-Aldrich

Pyrogallol Red

Powder

Sinónimos:

Pyrogallolsulfonephthalein

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About This Item

Fórmula empírica (notación de Hill):
C19H12O8S
Número de CAS:
32638-88-3
Peso molecular:
400.36
Beilstein/REAXYS Number:
61394
EC Number:
251-134-3
MDL number:
MFCD00005046
UNSPSC Code:
12171500
PubChem Substance ID:
24898975
NACRES:
NA.47

product name

Pyrogallol Red, Suitable for use as a complexometric indicator

Quality Level

200

form

powder

technique(s)

titration: suitable

color

green to very dark green, and brown

mp

≥300 °C (lit.)

solubility

1 M NH4OH: 10 mg/mL, clear

εmax

≥450 at 475 nm in methanol

suitability

suitable for complexometric indicator

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Oc1ccc2c(Oc3c(O)c(O)ccc3C24OS(=O)(=O)c5ccccc45)c1O

InChI

1S/C19H12O8S/c20-12-7-5-10-17(15(12)22)26-18-11(6-8-13(21)16(18)23)19(10)9-3-1-2-4-14(9)28(24,25)27-19/h1-8,20-23H

InChI key

KUQNCHZOCSYKOR-UHFFFAOYSA-N

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General description

Pyrogallol red (PGR) is an ortho-diphenolic dye. It has high reactivity towards reactive oxygen species (ROS) and reactive nitrogen species (RNS) that include peroxynitrite, radical, peroxyl radicals, hypochlorite & superoxide anion.

Application

Pyrogallol Red is suitable to prepare Fujita and Watanabe dye reagent used in Pyrogallol Red-Molybdenum (IV) complex (PR) method for the determination and quantification of urinary proteins.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Molecules-Kinetics of the Reaction of Pyrogallol Red, a Polyphenolic Dye, with Nitrous Acid: Role of NO and NO2
Molecules (Basel) null
Piyali Chatterjee et al.
PloS one, 7(7), e41884-e41884 (2012-08-01)
Preeclampsia (PE) is a pregnancy-specific hypertensive syndrome characterized by excessive maternal immune system activation, inflammation, and endothelial dysfunction. Toll-like receptor (TLR) 3 activation by double-stranded RNA (dsRNA) and TLR7/8 activation by single-stranded RNA (ssRNA) expressed by viruses and/or released from
Juan David Figueroa et al.
Redox biology, 24, 101207-101207 (2019-05-19)
Carbonate radicals (CO3-) are generated by the bicarbonate-dependent peroxidase activity of cytosolic superoxide dismutase (Cu,Zn-SOD, SOD-1). The present work explored the use of bleaching of pyrogallol red (PGR) dye to quantify the rate of CO3- formation from bovine and human
Yo Omata et al.
Journal of agricultural and food chemistry, 56(9), 3386-3390 (2008-04-09)
The radical-scavenging antioxidants play an important role against oxidative stress in the defense system in vivo. The beneficial effects of antioxidants contained in foods and beverages have been well-accepted, and their antioxidant capacity has been assessed by various methods. In
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Clinical and experimental nephrology, 24(2), 151-156 (2019-11-18)
Urine dipstick tests are often used to evaluate proteinuria during health checkups. We examined the dipstick's accuracy in assessing the proteinuria levels among Japanese workers. We assessed subjects aged ≥ 18 years who had a health checkup at the University of Tokyo in
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