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PYROGALLOL RED

PYROGALLOL RED Structure
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

PYROGALLOL RED 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
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
8
TSCA  Yes
HS Code  2934 99 90
NFPA 704
0
1 0

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
Product number Packaging Price Buy
P8759 5G ₹17640 Buy
1.07534 1G ₹15130.01 Buy
P0572 1G ₹3000 Buy
P1976 1G ₹4000 Buy
P0572 5G ₹8000 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

Global( 194)Suppliers
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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
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