p-Rosolic acid

Name: p-Rosolic acid
Brand: Vaqora Chemicals
SKU: VQ-000675

About p-Rosolic acid

Listed under CAS 603-45-2, p-Rosolic acid is a biological stain available from Vaqora Chemicals (Microscopy grade). The compound has the formula C19H14O3, corresponding to a molecular weight of 290.3 g/mol. Systematically, it is named 4-[bis(4-hydroxyphenyl)methylidene]cyclohexa-2,5-dien-1-one. Common synonyms include Aurin and Corallin.

It is supplied as a powder. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for histology and cytology staining, microscopy, clinical laboratories and fine chemical synthesis. Typical end-use sectors are academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Vaqora Chemicals supplies p-Rosolic acid in 25 g, 100 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Fine chemical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	p-Rosolic acid
Catalogue No.	VQ-000675
CAS Number	603-45-2
IUPAC name	4-[bis(4-hydroxyphenyl)methylidene]cyclohexa-2,5-dien-1-one
Molecular formula	C₁₉H₁₄O₃
Molecular weight	290.3 g/mol
Exact mass	290.0943
Grade	Microscopy
HSN code	32049000
InChIKey	FYEHYMARPSSOBO-UHFFFAOYSA-N
SMILES	C1=CC(=O)C=CC1=C(C2=CC=C(C=C2)O)C3=CC=C(C=C3)O
PubChem CID	5100

Physical properties
Physical form	Powder
Appearance	Powder
LogP (XLogP3)	3.9
H-bond donors / acceptors	2 / 3
TPSA	57.5 Å²
Synonyms	4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadienone, Aurin, Corallin, Aurine, 4,4'-Dihydroxyfuchsone, Aurin No. 555, 2,5-Cyclohexadien-1-one, 4-[bis(4-hydroxyphenyl)methylene]-, 4-[bis(4-hydroxyphenyl)methylene]cyclohexa-2,5-dien-1-one, 4-(Bis(4-hydroxyphenyl)methylene)cyclohexa-2,5-dien-1-one, 2,5-Cyclohexadien-1-one, 4-(bis(4-hydroxyphenyl)methylene)-, 4-(Bis(p-hydroxyphenyl)methylene)cyclohexa-2,5-dien-1-one, 4(bis(p-hydroxyphenyl)methylene)-2,5-cyclohexadien-1-one

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 603-45-2

AR

p-Rosolic acid, AR

CAS: 603-45-2
Formula: C₁₉H₁₄O₃
MW: 290.3 g/mol

VQ-046946

Frequently asked questions

What is the CAS number of p-Rosolic acid?

The CAS Registry Number of p-Rosolic acid is 603-45-2. It is also known as 4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadienone, Aurin, Corallin.

What is the molecular formula and molecular weight of p-Rosolic acid?

p-Rosolic acid has the molecular formula C19H14O3 and a molecular weight of 290.3 g/mol. Its IUPAC name is 4-[bis(4-hydroxyphenyl)methylidene]cyclohexa-2,5-dien-1-one.

Which grade and pack sizes of p-Rosolic acid can I order?

We supply p-Rosolic acid in Microscopy grade, in 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with p-Rosolic acid?

Yes. Every lot of p-Rosolic acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can p-Rosolic acid be shipped internationally?

Yes. p-Rosolic acid is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.