Alizarin yellow G, for microscopy 70.0%

Name: Alizarin yellow G, for microscopy 70.0%
Brand: Vaqora Chemicals
SKU: VQ-046183

About Alizarin yellow G, for microscopy 70.0%

Vaqora Chemicals supplies Alizarin yellow G in AR / Microscopy grade, a biological stain registered under CAS number 2243-76-7, specified at 70.0% purity. The compound has the formula C13H9N3O5, corresponding to a molecular weight of 287.23 g/mol. Systematically, it is named 2-hydroxy-5-[(4-nitrophenyl)diazenyl]benzoic acid. Alternative names: Mordant Orange 1 and Alizarine Yellow R.

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.

Key uses span histology and cytology staining, microscopy, clinical laboratories and analytical determinations. It is used across academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

We offer Alizarin yellow G in 25 g and 100 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Analytical determinations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Alizarin yellow G, for microscopy 70.0%
Catalogue No.	VQ-046183
CAS Number	2243-76-7
IUPAC name	2-hydroxy-5-[(4-nitrophenyl)diazenyl]benzoic acid
Molecular formula	C₁₃H₉N₃O₅
Molecular weight	287.23 g/mol
Exact mass	287.0542
Grade	AR / Microscopy
Purity / assay	70.0%
HSN code	32041268
InChIKey	YVJPMMYYRNHJAU-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1N=NC2=CC(=C(C=C2)O)C(=O)O)[N+](=O)[O-]
PubChem CID	15588

Physical properties
Physical form	Other
LogP (XLogP3)	4.1
H-bond donors / acceptors	2 / 7
TPSA	128 Å²
Synonyms	Mordant Orange 1, Alizarine Yellow R, Alizarin Yellow R, 5-(p-Nitrophenylazo)salicylic acid, Alizarine Yellow RW, C.I. Mordant Orange 1, Benzoic acid, 2-hydroxy-5-[(4-nitrophenyl)azo]-, 2-Hydroxy-5-((4-nitrophenyl)diazenyl)benzoic acid, 5-(4-Nitrophenylazo)salicylic acid, Chrome Orange R, Benzoic acid, 2-hydroxy-5-((4-nitrophenyl)azo)-, Alizarine Orange R

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 2243-76-7

Synthesis

Alizarin yellow G

CAS: 2243-76-7
Formula: C₁₃H₉N₃O₅
MW: 287.23 g/mol

VQ-000459

Frequently asked questions

What is the CAS number of Alizarin yellow G, for microscopy 70.0%?

The CAS Registry Number of Alizarin yellow G, for microscopy 70.0% is 2243-76-7. It is also known as Mordant Orange 1, Alizarine Yellow R, Alizarin Yellow R.

What is the molecular formula and molecular weight of Alizarin yellow G, for microscopy 70.0%?

Alizarin yellow G, for microscopy 70.0% has the molecular formula C13H9N3O5 and a molecular weight of 287.23 g/mol. Its IUPAC name is 2-hydroxy-5-[(4-nitrophenyl)diazenyl]benzoic acid.

Which grade and pack sizes of Alizarin yellow G, for microscopy 70.0% can I order?

We supply Alizarin yellow G, for microscopy 70.0% in AR / Microscopy (70.0%) grade, in 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Alizarin yellow G, for microscopy 70.0%?

Yes. Every lot of Alizarin yellow G, for microscopy 70.0% 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 Alizarin yellow G, for microscopy 70.0% be shipped internationally?

Yes. We export Alizarin yellow G, for microscopy 70.0% worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.