CAS 603-45-2 P-Rosolic Acid Powder Dye Content 84%

CAS 603-45-2 p-Rosolic acid powder Dye content 84%
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General description

p-Rosolic acid (C.I. 43800) is an acid-baseindicator from the triphenylmethane group. It is also known as aurin and 4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadienone.

 

Application

p-Rosolic acid has been used to induce cellular stress in HEK293 cells.

 

Biochem/physiol Actions

The transition range of p-Rosolic acid is around pH 6.6-8.0 (Below this pH range it is yellow and above it red).

 

Product Name:	ROSOLIC ACID
Synonyms:	4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadienone, Aurin;4,4'-Dihydroxyfuchsone;Corallin Spirit Soluble;Spirit Aurin;Rosolic acid (CI x 43800);4-(p,p′-Dihydroxybenzhydrylidine)-2,5-cyclohexadien-1-one;Corallin Aurin p-Rosolic Acid;Rosolic aci
CAS:	603-45-2
MF:	C19H14O3
MW:	290.31
EINECS:	210-041-8
Product Categories:	Piperidines ,Homopiperidines;Indicator (pH);Miscellaneous Natural Products;Analytical Chemistry;pH Indicators;Triphenylmethane
Mol File:	603-45-2.mol

Melting point	309°C (decompose)
Boiling point	372.4°C (rough estimate)
density	1.2497 (rough estimate)
refractive index	1.4200 (estimate)
storage temp.	Store at room temperature.
solubility	Practically insoluble in water, benzene; freely soluble in ethanol
form	Crystalline Powder
Colour Index	43800
pka	6.98(at 25℃)
color	Red-brown to brownish-red
PH Range	6.8(YELLOW)--8.2(RED)
Water Solubility	Soluble in alcohol, sodium hydroxide, potassium hydroxide and strong acids. Insoluble in water.
λmax	534.6nm, 479.5nm, 482nm
Merck	14,881
BRN	2055205
Stability:	Stable. Incompatible with strong oxidizing agents.
Major Application	electrorheological materials, films patterning, antireflective coatings, thermochromic materials, photoresists, film patterning, recording materials, lithium battery, semiconductors, printing materials, inks, corrosion inhibitors, adhesives, drugs, detecting viable cells, treatment of Alzheimer’s disease
CAS DataBase Reference	603-45-2
EPA Substance Registry System	2,5-Cyclohexadien-1-one, 4-[bis(4-hydroxyphenyl)methylene]- (603-45-2)