CAS No 603-45-2 P-Rosolic Acid Dye Content 84%

• Customization: Available
• CAS No.: 603-45-2
• Formula: C19h14o3
• Model NO.: YB007
• EINECS: 210-041-8
• Appearance: Powder
• Type: Pharmaceutical Intermediates
• Quality: Refined
• Colour: Crystalline Powder
• Samples: Available
• Purity: 99%
• Certificates: ISO9001/SGS
• Package: 1kg/5kg/10kg/25kg
• Stocks: in Stock
• Lead Time: 5-7 Working Days
• Shelf Life: 2-3 Years
• Site Audit: Available
• Transport: Air/Express/Sea
• MOQ: 10g
• Transport Package: Drum/Bottle/Bags
• Specification: Dye content 70%
• Trademark: Yunbang
• Origin: China

Product Description

CAS NO 603-45-2 p-Rosolic acid Dye content 84%

 

Company Informations:
Hunan Yunbang Pharmaceutical Co., Ltd. (Yunbangpharm) located in Changsha High-tech Industrial Park, Hunan. It is a high-tech enterprise specializing in the research and development, production and sales of Pharmaceutical raw materials, Pharmaceutical intermediates(API) and Fine chemicals. Based in China, Yunbangpharm has been providing suitable solutions for many domestic,foreign pharmaceutical companies and traders. Excellent quality, good reputation and authentic price have won the praise of the majority of customers.
The company adheres to the corporate tenet of "We do not produce medicines, but help pharmaceutical companies make good medicines".

We can provide customers with customized processing, research and development services;
We can develop high-end Pharmaceutical and chemical products with high technical difficulties,high barriers and unique production processes;
We can provide 100 grams Grade, kilograms, and hundred kilograms of raw material pharmaceutical intermediates and other products.
We can perform -100°C to 300°C reaction.

R&D strength is the company's core competitiveness.Yunbangpharm has maintains a good cooperation relationship with many Universities and Research institutes locally, which can quickly transform R&D results into industrial production.

Our goal : To achieve the integrated upgrade of Pharmaceutical intermediates, raw materials and high-end chemical products, adhere to "serving pharmaceutical companies, creating our brands" to provide customers with high-quality and low-cost pharmaceutical and chemical products, realizing Win-win cooperation and common development.

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.[1]

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

ROSOLIC ACID Chemical Properties

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 25ºC)
color	Red-brown to brownish-red
PH Range	6.8(YELLOW)--8.2(RED)
Water Solubility	Soluble in alcohol
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)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38-36/38
Safety Statements	26-36-37/39
WGK Germany	3
TSCA	Yes
HS Code	29145090

 

 

ROSOLIC ACID Usage And Synthesis

Chemical Properties	red crystals or powder
Uses	activates heme oxygenase, anti-oxidative stress, inhibits DNA fragmentation
Uses	Rosolic acid is used as a pH indicator in the range from 5.0 to 6.8. It acts as an intermediate in the manufacturing dyes. It is involved in the activation of heme oxygenase and in the inhibition of DNA fragmentation. It finds application in the selective isolation of coliform bacteria.
Definition	ChEBI: Aurin is a diarylmethane.

 

 

Company photos