Compound Q&A

How is Thymolphthalein Monophosphate Disodium Salt (CAS: 28749-63-5) typically synthesized?

Answer

THYMOLPHTHALEIN MONOPHOSPHATE DISODIUM SALT
Thymolphthalein Monophosphate Disodium Salt is synthesized by first preparing the thymolphthalein dye and then reacting it with monophosphoric acid in the presence of sodium hydroxide. The reaction involves the substitution of a hydrogen atom with a phosphate group and subsequent neutralization with sodium ions, yielding the disodium salt. The process requires careful temperature control and the use of appropriate solvents.

About

CAS No 28749-63-5
English Name THYMOLPHTHALEIN MONOPHOSPHATE DISODIUM SALT
Molecular Formula C28H29Na2O7P
Molecular Weight 554.5 g/mol
SMILES CC1=CC(=C(C=C1C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4C)OP(=O)([O-])[O-])C(C)C)C(C)C)O.[Na+].[Na+]
InChIKey SQUIXVJVXGLUIW-UHFFFAOYSA-L
Last Updated: 2026-03-25 23:49

Related Q&A

Compound Q&A

What are the physical and chemical properties of Thymolphthalein Monophosphate Disodium Salt (CAS: 28749-63-5)?

Thymolphthalein Monophosphate Disodium Salt is a crystalline compound with a low molecular weight. I...

Compound Q&A

What industries use Thymolphthalein Monophosphate Disodium Salt (CAS: 28749-63-5)?

Thymolphthalein Monophosphate Disodium Salt is widely used in the pharmaceutical industry for pH ind...

Compound Q&A

What precautions should be taken when handling Thymolphthalein Monophosphate Disodium Salt (CAS: 28749-63-5)?

When handling Thymolphthalein Monophosphate Disodium Salt, ensure proper personal protective equipme...

Compound Q&A

What is 6-Methyl-7-oxabicyclo[4.1.0]heptan-2-one (CAS: 21889-89-4)?

6-Methyl-7-oxabicyclo[4.1.0]heptan-2-one is a cyclic ketone with a molecular for...

21889-89-46-Methyl-7-oxabicycl...
Compound Q&A

What is 4-[(6-Methyl-2-pyrazinyl)oxy]benzoic acid (CAS: 906353-00-2)?

4-[(6-Methyl-2-pyrazinyl)oxy]benzoic acid is a chemical compound with the CAS nu...

906353-00-24-[(6-Methyl-2-pyraz...
Compound Q&A

What is 2-(2-Pyridinyl)-1,3-propanediol (CAS: 49745-42-8)?

2-(2-Pyridinyl)-1,3-propanediol (CAS: 49745-42-8) is a colorless to slightly yel...

49745-42-82-(2-Pyridinyl)-1,3-...
Compound Q&A

What is 2-(6-Chloro-2-pyridinyl)-2-phenylacetonitrile (CAS: 24783-42-4)?

2-(6-Chloro-2-pyridinyl)-2-phenylacetonitrile is an organic compound with the CA...

24783-42-42-(6-Chloro-2-pyridi...