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P8759

Sigma-Aldrich

Pyrogallol Red

Powder

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Synonym(s):
Pyrogallolsulfonephthalein
Empirical Formula (Hill Notation):
C19H12O8S
CAS Number:
32638-88-3
Molecular Weight:
400.36
Beilstein:
61394
EC Number:
251-134-3
MDL number:
MFCD00005046
UNSPSC Code:
12171500
PubChem Substance ID:
24898975
NACRES:
NA.47

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.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Nicolas Herman et al.
Journal of veterinary internal medicine, 33(2), 999-1008 (2019-02-16)
There are no reference intervals for urinalysis in cattle. Characterize the urine of healthy cows, establish urine protein-to-creatinine ratio (UPC) reference intervals, and test possible differences among dairy and beef cattle, age groups, or stage of lactation. Seventy-seven dairy and
Tuula K Outinen et al.
Infectious diseases (London, England), 49(11-12), 840-846 (2017-08-02)
Puumala hantavirus (PUUV) causes haemorrhagic fever with renal syndrome characterized by thrombocytopenia, capillary leakage and acute kidney injury (AKI) with proteinuria and haematuria. Although the typical histologic lesion is acute tubulointerstitial nephritis, the amount of glomerular proteinuria predicts the severity
K de Leeuw et al.
Journal of critical care, 36, 200-206 (2016-11-05)
In patients with severe burns, resuscitation with large volumes of fluid is needed, partly because of an increase in capillary leakage. Corticosteroids might be beneficial by diminishing capillary leakage. This study aimed to assess in severely burned nonseptic patients whether
William E Haley et al.
Mayo Clinic proceedings, 91(12), 1744-1752 (2016-10-26)
To determine whether there is a persistent decline in kidney function after the first kidney stone event. Incident symptomatic stone formers and age- and sex-matched controls underwent 2 study visits 90 days apart to assess kidney function, complete a survey
Molecules-Kinetics of the Reaction of Pyrogallol Red, a Polyphenolic Dye, with Nitrous Acid: Role of NO and NO2
Molecules (Basel) null
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