PYROGALLOL RED

Base Information

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What is the PYROGALLOL RED ?

PYROGALLOL RED is dark brown powder, while it's Molecular Formula is C19H12O8S. Pyrogallol Red is a complexometric indicator for the metal elements molybdenum and copper. Dyes and metabolites.

What is the CAS number for PYROGALLOL RED ?

The CAS number of PYROGALLOL RED is 32638-88-3.

More information of PYROGALLOL RED 32638-88-3 are:

Synonyms

Pyrogallol red;3172-49-4;Pyrogallolsulfonephthalein;Spiro[3H-2,1-benzoxathiole-3,9'-[9H]xanthene]- 3',4',5',6'-tetrol,1,1-dioxide;yl)-;2-(4,5,6-trihydroxy-3-oxo-xanthen-9-yl)benzenesulfonate;Benzenesulfonic acid, 2-(4,5,6-trihydroxy-3-oxo-3H-xanthen-9-yl)-;Spiro(3H-2,1-benzoxathiole-3,9-(9H)xanthene)-3,4,5,6-tetrol, 1,1-dioxide;

CAS?Number

32638-88-3

Molecular Formula

C19H12O8S

Molecular Weight

400.365

Density

1.082 g/mL at 20 °C

Melting Point

133-134 °C(lit.)

Boiling Point

686.1 °C at 760 mmHg

Flash Point

368.8 °C

HS CODE

2934 99 90

PSA

141.90000

LogP

3.70630

Pka

7.86±0.20(Predicted)

What is PYROGALLOL RED (32638-88-3) used for?

PYROGALLOL RED, also known as pyrogallol and 1,2,3-trihydroxy-benzene, is a white, lustrous crystalline compound that turns gray upon exposure to light. It is soluble in water, alcohol, and ether, and its solution acquires a brown color when exposed to air. PYROGALLOL RED is derived by heating gallic acid in an autoclave with three times its weight of water. It has been used for over three centuries and is known for its various applications across different industries.

InChI:InChI=1/C9H12N2O.C6H6O3/c1-11(2)9(12)10-8-6-4-3-5-7-8;7-4-2-1-3-5(8)6(4)9/h3-7H,1-2H3,(H,10,12);1-3,7-9H

Articles related to PYROGALLOL RED:

Article

Source

Ti(IV) doping: An effective strategy to boost Lewis acidic performance of ZnO catalyst in fluorescein dye synthesis

Jadhav, Nirajkumar H.,Shinde, Dnyaneshwar R.,Sakate, Sachin S.,Rasal, Nishant K.,Pawar, Ramdas A.

, p. 17 - 22 (2018/11/25)

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