Oil red o

Name: Oil red o
Brand: Vaqora Chemicals
SKU: VQ-000667

About Oil red o

Oil red o is a biological stain (Electrophoresis grade) carrying the CAS registry number 1320-06-5. Its molecular formula is C26H24N4O and its molecular weight is 408.5 g/mol. The IUPAC name is 1-[[4-[(2,5-dimethylphenyl)diazenyl]-2,5-dimethylphenyl]diazenyl]naphthalen-2-ol. Common synonyms include 1-([4-(Xylylazo)xylyl]azo)-2-naphthol and Solvent Red 27.

The product is provided as a powder. Reported physical data include a melting point of 120 °C. Keep the container tightly sealed and store it in a cool, dry area. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Typical applications include histology and cytology staining, microscopy, clinical laboratories and biological staining. Buyers come mainly from academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Standard pack sizes are 10 g, 25 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Biological staining

Industries

Specifications & identifiers

Chemical identifiers
Product name	Oil red o
Catalogue No.	VQ-000667
CAS Number	1320-06-5
Other CAS	14288-70-1
IUPAC name	1-[[4-[(2,5-dimethylphenyl)diazenyl]-2,5-dimethylphenyl]diazenyl]naphthalen-2-ol
Molecular formula	C₂₆H₂₄N₄O
Molecular weight	408.5 g/mol
Exact mass	408.195
Grade	Electrophoresis
HSN code	32049000
InChIKey	NPGIHFRTRXVWOY-UHFFFAOYSA-N
SMILES	CC1=CC(=C(C=C1)C)N=NC2=C(C=C(C(=C2)C)N=NC3=C(C=CC4=CC=CC=C43)O)C
PubChem CID	2724054

Physical properties
Physical form	Powder
Appearance	Powder
Melting point	120 °C
LogP (XLogP3)	7.8
H-bond donors / acceptors	1 / 5
TPSA	69.7 Å²
Synonyms	1-([4-(Xylylazo)xylyl]azo)-2-naphthol, 1-[2,5-Dimethyl-4-(2,5-dimethylphenylazo)phenylazo]-2-naphthol, Solvent Red 27, 1-(2-(4-(2-(2,5-Dimethylphenyl)diazenyl)-2,5-dimethylphenyl)diazenyl)-2-naphthalenol, 1-[2-[4-[2-(2,5-Dimethylphenyl)diazenyl]-2,5-dimethylphenyl]diazenyl]-2-naphthalenol, 1-((4-((2,5-Dimethylphenyl)diazenyl)-2,5-dimethylphenyl)diazenyl)naphthalen-2-ol, Sudan Red 5B, 1-(2,5-Dimethyl-4-(2,5-dimethylphenylazo)phenylazo)-2-naphthol, 1-(2-{4-[2-(2,5-dimethylphenyl)diazen-1-yl]-2,5-dimethylphenyl}diazen-1-yl)naphthalen-2-ol, 1-((E)-(4-((E)-(2,5-Dimethylphenyl)diazenyl)-2,5-dimethylphenyl)diazenyl)naphthalen-2-ol, 1-[(4-{Xylylazo}xylyl)azo]-2-naphthol, 1-({4-[(2,5-dimethylphenyl)diazenyl]-2,5-dimethylphenyl}diazenyl)naphthalen-2-ol

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 1320-06-5

Electrophoresis

Oil red o, certified

CAS: 1320-06-5
Formula: C₂₆H₂₄N₄O
MW: 408.5 g/mol

VQ-000668

Frequently asked questions

What is the CAS number of Oil red o?

The CAS Registry Number of Oil red o is 1320-06-5. It is also known as 1-([4-(Xylylazo)xylyl]azo)-2-naphthol, 1-[2,5-Dimethyl-4-(2,5-dimethylphenylazo)phenylazo]-2-naphthol, Solvent Red 27.

What is the molecular formula and molecular weight of Oil red o?

Oil red o has the molecular formula C26H24N4O and a molecular weight of 408.5 g/mol. Its IUPAC name is 1-[[4-[(2,5-dimethylphenyl)diazenyl]-2,5-dimethylphenyl]diazenyl]naphthalen-2-ol.

Which grade and pack sizes of Oil red o can I order?

We supply Oil red o in Electrophoresis grade, in 10 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Oil red o?

Yes. Every lot of Oil red o 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 Oil red o be shipped internationally?

Yes. We export Oil red o worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.