PYROGALLOL RED
![PYROGALLOL RED Structure](CAS/GIF/32638-88-3.gif)
- CAS No.
- 32638-88-3
- Chemical Name:
- PYROGALLOL RED
- Synonyms
- PR;PYROGALLOLUM;PYROGALLOL RED;PyrogallolRedGr;PYROGALLIC ACID;PYROGALLOL RED AR;PYROGALLIC ACID RED;1,2,3-BENZENETRIOL RED;PYROGALLOL RED-LACTONE;Pyrogallol Red,98%,pure
- CBNumber:
- CB1314191
- Molecular Formula:
- C19H12O8S
- Molecular Weight:
- 400.36
- MOL File:
- 32638-88-3.mol
- MSDS File:
- SDS
- Modify Date:
- 2023/10/9 22:51:44
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 |
n |
storage temp. | Inert atmosphere,Room Temperature |
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 |
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
Risk and Safety Statements
Hazard Codes | Xn,Xi | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Risk Statements | 20/21/22-52/53-68-36/37/38 | |||||||||
Safety Statements | 36/37-61-24/25-22-36-26 | |||||||||
RIDADR | UN 2811 6.1/PG 3 | |||||||||
WGK Germany | 3 | |||||||||
RTECS | UX2800000 | |||||||||
F | 8 | |||||||||
TSCA | Yes | |||||||||
HS Code | 2934 99 90 | |||||||||
NFPA 704 |
|
PYROGALLOL RED price More Price(7)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
Sigma-Aldrich(India) | P8759 | Pyrogallol Red | 32638-88-3 | 5G | ₹17640 | 2022-06-14 | Buy |
Sigma-Aldrich(India) | 1.07534 | Pyrogallol red metal indicator | 32638-88-3 | 1G | ₹15130.01 | 2022-06-14 | Buy |
TCI Chemicals (India) | P0572 | Pyrogallol Red | 32638-88-3 | 1G | ₹3000 | 2022-05-26 | Buy |
TCI Chemicals (India) | P1976 | Pyrogallol Red [for Protein Research] | 32638-88-3 | 1G | ₹4000 | 2022-05-26 | Buy |
TCI Chemicals (India) | P0572 | Pyrogallol Red | 32638-88-3 | 5G | ₹8000 | 2022-05-26 | Buy |
PYROGALLOL RED Chemical Properties,Uses,Production
Chemical Properties
dark brown powder
Uses
Pyrogallol Red is a complexometric indicator for the metal elements molybdenum and copper. Dyes and metabolites.
Purification Methods
It is recrystallised from aqueous alkaline solution (Na2CO3 or NaOH) by precipitation on acidification, filter it off and dry in a vacuum. [Suk Collect Czech Chem Commun 31 3127 1966, Beilstein 19 H 407, 19 II 417, 19 III/IV 599, 19/10 V 226.]
PYROGALLOL RED Preparation Products And Raw materials
Raw materials
Preparation Products
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Global( 194)Suppliers
Supplier | Tel | Country | ProdList | Advantage | Inquiry |
---|---|---|---|---|---|
Arnish Laborates Pvt Ltd | +91 7208475595 | Maharashtra, India | 187 | 58 | Inquiry |
JSK Chemicals | +919879767970 | Gujarat, India | 3756 | 58 | Inquiry |
Esjay Chemicals | +919820452929 | Maharashtra, India | 110 | 58 | Inquiry |
Scientific OEM | +91-22- 2343 7546 / 2341 3094 | New Delhi, India | 1996 | 38 | Inquiry |
ALPHA CHEMIKA | +91-22-22061123 +91-22-66382501 | Mumbai, India | 1681 | 43 | Inquiry |
Otto Chemie Pvt. Ltd. | +91 9820041841 | Mumbai, India | 5873 | 58 | Inquiry |
LOBA CHEMIE PVT.LTD. | 91-22-6663 6699 | Mumbai, India | 3077 | 58 | Inquiry |
CHEMSWORTH | +91-261-2397244 | New Delhi, India | 6707 | 30 | Inquiry |
TCI Chemicals (India) Pvt. Ltd. | 1800 425 7889 | New Delhi, India | 6778 | 58 | Inquiry |
Hebei Yanxi Chemical Co., Ltd. | +86-17531190177; +8617531190177 | China | 6011 | 58 | Inquiry |
Supplier | Advantage |
---|---|
Arnish Laborates Pvt Ltd | 58 |
JSK Chemicals | 58 |
Esjay Chemicals | 58 |
Scientific OEM | 38 |
ALPHA CHEMIKA | 43 |
Otto Chemie Pvt. Ltd. | 58 |
LOBA CHEMIE PVT.LTD. | 58 |
CHEMSWORTH | 30 |
TCI Chemicals (India) Pvt. Ltd. | 58 |
Hebei Yanxi Chemical Co., Ltd. | 58 |
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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
Pyrogallol red, pure, indicator grade
3',4',5',6'-Tetrahydroxyspiro[3H-2,1-benzoxathiole-3,9'-[9H]xanthene]1,1-dioxide
Pyrogallol Red,98%,pure
PYROGALLOL RED METAL INDICATOR
Pyrogallol Red [for Protein Research]
3',4',5',6'-tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide
1,2,3-BENZENETRIOL RED
1,2,3-TRIHYDROXYBENZENE RED
ALKALINE POTASSIUM PYROGALLATE SOLUTION
ALKALINE PYROGALLOL REAGENT
PYROGALLOL RED
PYROGALLOL RED-LACTONE
PYROGALLOLSULFONEPHTHALEIN
PYROGALLOLSULFONPHTHALEIN
PYROGALLOLUM
PYROGALLOSULFONPHTHALEIN
PYROGALLATE ABSORPTION SOLUTION, ALKALINE
PYROGALLIC ACID
PYROGALLIC ACID RED
Pyrogallolred,monohydrate
Pyrogallolsulfonphalein
2-(3,4,5,6,9-PENTAHYDROXYXANTHEN-9-YL)BENZENESULFONIC ACID-9-LACTONE
Pyrogallolsulfonphthalein (PR)
PYROGALLOL RED AR
3',4',5',6'-Tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9'-xanthene] 1,1-dioxide
32638-88-3
C19H12O8S
87661
Chelating Reagents
Bipyridyls, etc. (Chelating Reagents)
Analytical Chromatography Product Catalog
Metal Titration Indicators
Indicators
Titration
Analytical Chemistry
Bipyridyls, etc. (Chelating Reagents)
Chelating Reagents