1-(2-Thiazolylazo)-2-naphthol, 99%

Name: 1-(2-Thiazolylazo)-2-naphthol, 99%
Brand: Vaqora Chemicals
SKU: VQ-000431

About 1-(2-Thiazolylazo)-2-naphthol, 99%

Listed under CAS 1147-56-4, 1-(2-Thiazolylazo)-2-naphthol is a biological stain available from Vaqora Chemicals (Puriss grade) at a purity of ≥99.0%. With the molecular formula C13H9N3OS, it has a molar mass of 255.3 g/mol. Its systematic (IUPAC) name is 1-(1,3-thiazol-2-yldiazenyl)naphthalen-2-ol. Alternative names: 2-(2-Hydroxy-1-naphthylazo)thiazole and TAN.

It is supplied as powder to crystals. Key physical data: a melting point of 138-139 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is commonly used for histology and cytology staining, microscopy and clinical laboratories. It is used across academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

We offer 1-(2-Thiazolylazo)-2-naphthol in 1 g, 5 g and 25 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories

Industries

Specifications & identifiers

Chemical identifiers
Product name	1-(2-Thiazolylazo)-2-naphthol, 99%
Catalogue No.	VQ-000431
CAS Number	1147-56-4
IUPAC name	1-(1,3-thiazol-2-yldiazenyl)naphthalen-2-ol
Molecular formula	C₁₃H₉N₃OS
Molecular weight	255.3 g/mol
Exact mass	255.0466
Grade	Puriss
Purity / assay	≥99.0%
HSN code	29341000
InChIKey	IOMXCGDXEUDZAK-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C=CC(=C2N=NC3=NC=CS3)O
PubChem CID	93572

Physical properties
Physical form	Crystalline
Appearance	Powder to crystals
Melting point	138-139 °C
LogP (XLogP3)	4
H-bond donors / acceptors	1 / 5
TPSA	86.1 Å²
Synonyms	2-(2-Hydroxy-1-naphthylazo)thiazole, TAN, ERGi-USU, 2-Naphthalenol, 1-(2-thiazolylazo)-, 1-(2-Thiazoylazo)-2-naphthol, 2-Naphthol, 1-(2-thiazolylazo)-, 1-[2-(1,3-thiazol-2-yl)diazen-1-yl]naphthalen-2-ol, 1-[2-(2-Thiazolyl)diazenyl]-2-naphthalenol, 2-Naphthalenol, 1-[2-(2-thiazolyl)diazenyl]-, 1-(Thiazol-2-yldiazenyl)naphthalen-2-ol, (E)-1-(thiazol-2-yldiazenyl)naphthalen-2-ol, 2-Naphthalenol, 1-(2-(2-thiazolyl)diazenyl)-

Documents

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

Frequently asked questions

What is the CAS number of 1-(2-Thiazolylazo)-2-naphthol, 99%?

The CAS Registry Number of 1-(2-Thiazolylazo)-2-naphthol, 99% is 1147-56-4. It is also known as 2-(2-Hydroxy-1-naphthylazo)thiazole, TAN, ERGi-USU.

What is the molecular formula and molecular weight of 1-(2-Thiazolylazo)-2-naphthol, 99%?

1-(2-Thiazolylazo)-2-naphthol, 99% has the molecular formula C13H9N3OS and a molecular weight of 255.3 g/mol. Its IUPAC name is 1-(1,3-thiazol-2-yldiazenyl)naphthalen-2-ol.

Which grade and pack sizes of 1-(2-Thiazolylazo)-2-naphthol, 99% can I order?

We supply 1-(2-Thiazolylazo)-2-naphthol, 99% in Puriss (≥99.0%) grade, in 1 g, 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 1-(2-Thiazolylazo)-2-naphthol, 99%?

Yes. Every lot of 1-(2-Thiazolylazo)-2-naphthol, 99% 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 1-(2-Thiazolylazo)-2-naphthol, 99% be shipped internationally?

Yes. We export 1-(2-Thiazolylazo)-2-naphthol, 99% worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.