Phthalein Complexon CAS 2411-89-4 5′′-Dimethylphenolphthalein

• CAS No.: 2411-89-4
• Formula: C32h32n2o12
• EINECS: 219-318-8
• Classification: Potassium Hydroxide
• Appearance: Solid
• Grade Standard: Agriculture Grade
• Model NO.: SUREST-79
• Solubleness: Soluble Alkali
• Ionization Capacity: Strong Alkali
• Quality: Superior Grade
• Usage: Industrial Alkali
• Shelf Life: 2 Years
• Stock: Available
• Molecular Weight: 636.61
• Color: White
• Melting Point: 181 ºC
• Water Solubility: Slightly Soluble
• Transport Package: 25kg or 200 Kg/Barrel
• Specification: 98%min
• Trademark: Surest
• Origin: China
• HS Code: 2932209090
• Production Capacity: 1000 Tons Yearly

Product Description

5''-dimethylphenolphthalein

Name	2411-89-4
Synonyms	Phthalein Complexon;  5''-dimethylphenolphthalein
Molecular Structure
Molecular Formula	C32H32N2O12
Molecular Weight	636.61
CAS Registry Number	2411-89-4
EINECS	219-318-8

Properties

Melting point	181 ºC
Water solubility	SLIGHTLY SOLUBLE

 

Chemical Property/Description

White to brown crystalline powder. Unstable to heat. Soluble in water, insoluble in ethanol, ether. Colorless alkali solutions can be complexed with calcium, strontium, barium salts to produce purple or deep red, complexed with magnesium to pink, and complexed with heavy metals to colorless. Melting point 181 ~ 185ºC(decomposition). The maximum absorption wavelength is 575(377)nm. The product also has aqueous sodium salts, light pink powder. Soluble in water, insoluble in ethanol, its water and acid solution is colorless, its alkali solution is purple blue.

Main Uses:

An indicator for complexing titration of magnesium, calcium, strontium, barium and SO42-; Reagent Reagent for the determination of serum calcium, chelating ion chromatography complex ligand of trace metal ions.

It can be used as biomaterials or organic compounds for life science related research.