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Thymolphthalein
  • Chemical Name: Thymolphthalein
  • CAS No.: 125-20-2

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1.What is the Thymolphthalein ?

Thymolphthalein is a pH sensitive dye that has multiple uses such as testing hydration and/or saliva testing.

phthalic anhydride
85-44-9

phthalic anhydride

thymol
89-83-8

thymol

thymolphthalein
125-20-2

thymolphthalein

Conditions
Conditions Yield
With methanesulfonic acid; at 90 ℃; for 5h;
90%
With niobium pentachloride; In methanesulfonic acid; at 90 ℃; for 1.33333h;
70%
With tin(IV) chloride; at 110 ℃;
thymolphthalein
125-20-2

thymolphthalein

Conditions
Conditions Yield

2.What is the CAS number for Thymolphthalein ?

The CAS number of Thymolphthalein is 125-20-2.

More information of Thymolphthalein 125-20-2 are:

CAS?Number

125-20-2

Density

1.187 g/cm3

Melting Point

251-253 °C(lit.)

Boiling Point

571.6 °C at 760 mmHg

Flash Point

187.5 °C

Vapor Pressure

1.15E-13mmHg at 25°C

Refractive Index

1.6400 (estimate)

HS CODE

29322980

PSA

66.76000

LogP

6.42370

Pka

9.70, 10.0(at 25℃)

3.What are another words for Thymolphthalein ?

Synonyms?for?Thymolphthalein 125-20-2:1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-2-methyl-5-(1-methylethyl)phenyl)-;Phenolphthalein, 5,5-diisopropyl-2,2-dimethyl- (8CI);3,3-Bis(4-hydroxy-5-isopropyl-o-tolyl)phthalide;Phenolphthalein, 5,5-diisopropyl-2,2-dimethyl-;3,3-bis(4-hydroxy-2-methyl-5-propan-2-yl-phenyl)isobenzofuran-1-one;1(3H)-Isobenzofuranone,3,3-bis[4-hydroxy-2- methyl-5-(1-methylethyl)phenyl]-;Thymol Phthalein;

4.What is the molecular formula of Thymolphthalein?

The chemical formula of ?Thymolphthalein is?C28H30O4 which containing 28 Carbon atoms,30 Hydrogen atoms and 4 Oxygen atoms,and the molecular weight of??Thymolphthalein?is 430.544.

5.What is Thymolphthalein (125-20-2) used for?

Thymolphthalein is an acid-base indicator that is colorless in its acidic form and turns deep blue in its basic form. It is a white, fine crystalline powder that retains hydrogen on each hydroxyl group when in the acidic state. Thymolphthalein is suitable for preparing disappearing ink due to its color-changing properties.

InChI:InChI=1/C28H30O4/c1-15(2)20-13-23(17(5)11-25(20)29)28(22-10-8-7-9-19(22)27(31)32-28)24-14-21(16(3)4)26(30)12-18(24)6/h7-16,29-30H,1-6H3

Relevant articles related to Thymolphthalein:

Article

Source

A facile synthesis of phthalein indicator dyes

Sabnis, Ram W.

experimental part, p. 6261 - 6263 (2010/01/11)

6.Buy Thymolphthalein with the best price .

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