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ChemicalBook >> CAS DataBase List >> PYROGALLOL RED

PYROGALLOL RED

PYROGALLOL RED price.
  • $15 - $655
  • Product name: PYROGALLOL RED
  • CAS: 32638-88-3
  • MF: C19H12O8S
  • MW: 400.36
  • EINECS:251-134-3
  • MDL Number:MFCD00005046
  • Synonyms:PYROGALLOL RED INDICATOR FOR &;PyrogallolRedGr;Pyrogallol Red, indicator grade, pure;Pyrogallol Red, pure, 98%;Spiro(3H-2,1-benzoxathiole-3,9’(9H)xanthene)-3’,4’,5’,6’-tetrol,1,1-dioxide ;spiro[3h-2,1-benzoxathiole-3,9’-[9h]xanthene]-3’,4’,5’,6’-tetrol,1,1-dioxide ;PR;PYROGALLOL RED, INDICATOR FOR COMPLEXO-M ETRY
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Brand
  • AK Scientific
  • Alichem
  • Ambeed
  • Arctom
  • Chemenu
  • Chem-Impex
  • Crysdot
  • Sigma-Aldrich
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  • TRC
Package
  • 100mg
  • 250mg
  • 500mg
  • 1g
  • 5g
  • 25g
  • 100g
  • ManufacturerAK Scientific
  • Product number6504AF
  • Product descriptionPyrogallol Red
  • Packaging1g
  • Price$175
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number32638883
  • Product description3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene]1,1-dioxide
  • Packaging100g
  • Price$293.91
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA155745
  • Product description3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene]1,1-dioxide 98%
  • Packaging5g
  • Price$151
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA155745
  • Product description3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene]1,1-dioxide 98%
  • Packaging250mg
  • Price$19
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA155745
  • Product description3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene]1,1-dioxide 98%
  • Packaging1g
  • Price$41
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberBD-A155745
  • Product description3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98%
  • Packaging1g
  • Price$34
  • Updated2026-05-25
  • Buy
  • ManufacturerArctom
  • Product numberBD-A155745
  • Product description3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98%
  • Packaging1g
  • Price$34
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A155745
  • Product description3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98%
  • Packaging250mg
  • Price$15
  • Updated2026-05-25
  • Buy
  • ManufacturerArctom
  • Product numberBD-A155745
  • Product description3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98%
  • Packaging250mg
  • Price$15
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A155745
  • Product description3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98%
  • Packaging5g
  • Price$123
  • Updated2026-05-25
  • Buy
  • ManufacturerArctom
  • Product numberBD-A155745
  • Product description3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98%
  • Packaging5g
  • Price$123
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberCS-0182160
  • Product descriptionPyrogallol red >=95%
  • Packaging25g
  • Price$410
  • Updated2026-05-25
  • Buy
  • ManufacturerArctom
  • Product numberCS-0182160
  • Product descriptionPyrogallol red >=95%
  • Packaging25g
  • Price$410
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberBD-A155745
  • Product description3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98%
  • Packaging25g
  • Price$443
  • Updated2026-05-25
  • Buy
  • ManufacturerArctom
  • Product numberBD-A155745
  • Product description3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98%
  • Packaging25g
  • Price$443
  • Updated2026-05-26
  • Buy
  • ManufacturerChemenu
  • Product numberCM138905
  • Product description3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 97%
  • Packaging25g
  • Price$655
  • Updated2026-05-20
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific 6504AF Pyrogallol Red 1g $175 2021-12-16 Buy
Alichem 32638883 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene]1,1-dioxide 100g $293.91 2021-12-16 Buy
Ambeed A155745 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene]1,1-dioxide 98% 5g $151 2021-12-16 Buy
Ambeed A155745 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene]1,1-dioxide 98% 250mg $19 2021-12-16 Buy
Ambeed A155745 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene]1,1-dioxide 98% 1g $41 2021-12-16 Buy
Arctom BD-A155745 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98% 1g $34 2026-05-25 Buy
Arctom BD-A155745 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98% 1g $34 2026-05-26 Buy
Arctom BD-A155745 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98% 250mg $15 2026-05-25 Buy
Arctom BD-A155745 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98% 250mg $15 2026-05-26 Buy
Arctom BD-A155745 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98% 5g $123 2026-05-25 Buy
Arctom BD-A155745 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98% 5g $123 2026-05-26 Buy
Arctom CS-0182160 Pyrogallol red >=95% 25g $410 2026-05-25 Buy
Arctom CS-0182160 Pyrogallol red >=95% 25g $410 2026-05-26 Buy
Arctom BD-A155745 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98% 25g $443 2026-05-25 Buy
Arctom BD-A155745 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 98% 25g $443 2026-05-26 Buy
Chemenu CM138905 3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide 97% 25g $655 2026-05-20 Buy

Properties

Melting point :133-134 °C(lit.)
Boiling point :309 °C(lit.)
Density :1.082 g/mL at 20 °C
vapor density :4.4 (vs air)
vapor pressure :10 mm Hg ( 167.7 °C)
refractive index :n20/D 1.387
storage temp. :Inert atmosphere,Room Temperature
solubility :1 M NH4OH: 10mg/mL, clear
pka :7.86±0.20(Predicted)
form :Liquid
color :Dark brown
Water Solubility :Soluble in water, ammonium hydroxide (10 mg/ml), and ethanol.
BRN :363738
InChI :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
InChIKey :KUQNCHZOCSYKOR-UHFFFAOYSA-N
SMILES :S1(=O)(=O)C2=CC=CC=C2C2(C3=C(C(O)=C(O)C=C3)OC3=C2C=CC(O)=C3O)O1
CAS DataBase Reference :32638-88-3
EPA Substance Registry System :Spiro[3H-2,1-benzoxathiole-3,9'-[9H]xanthene]-3',4',5',6'-tetrol, 1,1-dioxide (32638-88-3)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning GHS hazard pictograms P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

Pyrogallol Red is used as a probe to evaluate antioxidant capacities towards hypochlorite. It is used in determination of protein in urine. It is also used to ascorbic acid in complex samples. This compound acts as an indicator in chelate titration of bismuth, cobalt, lead. It is also used in colorimetry of silver, molybdenum, germanium.

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