Martius yellow

Name: Martius yellow
Brand: Vaqora Chemicals
SKU: VQ-000616

About Martius yellow

Listed under CAS 605-69-6, Martius yellow is a biological stain available from Vaqora Chemicals in Microscopy grade. Its molecular formula is C10H6N2O5 and its molecular weight is 234.16 g/mol. The IUPAC name is 2,4-dinitronaphthalen-1-ol. Alternative names: Saffron Yellow and Martinsgelb.

The material typically appears as a yellow to orange gold powder. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

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

Vaqora Chemicals supplies Martius yellow in 25 g, 100 g, 5 x 1 kg and 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Biological staining

Industries

Specifications & identifiers

Chemical identifiers
Product name	Martius yellow
Catalogue No.	VQ-000616
CAS Number	605-69-6
IUPAC name	2,4-dinitronaphthalen-1-ol
Molecular formula	C₁₀H₆N₂O₅
Molecular weight	234.16 g/mol
Exact mass	234.0277
Grade	Microscopy
HSN code	29089990
InChIKey	FFRBMBIXVSCUFS-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C(=CC(=C2O)[N+](=O)[O-])[N+](=O)[O-]
PubChem CID	11802

Physical properties
Physical form	Powder
Appearance	Yellow to orange gold powder
LogP (XLogP3)	3.7
H-bond donors / acceptors	1 / 5
TPSA	112 Å²
Synonyms	2,4-Dinitro-1-naphthol, C.I. No. 10315, 2,4-Dinitro-1-naphthol: Golden yellow, Saffron Yellow, Martinsgelb, Manchester Yellow, Naphthylene Yellow, Zlut naftolova, Zlut marciova, Naphthol Yellow, 2,4-Dinitro-1-naphthol, 1-Naphthalenol, 2,4-dinitro-, 2,4-Dinitronaphthol, Maritus Yellow

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

Frequently asked questions

What is the CAS number of Martius yellow?

The CAS Registry Number of Martius yellow is 605-69-6. It is also known as 2,4-Dinitro-1-naphthol, C.I. No. 10315, 2,4-Dinitro-1-naphthol: Golden yellow, Saffron Yellow, Martinsgelb.

What is the molecular formula and molecular weight of Martius yellow?

Martius yellow has the molecular formula C10H6N2O5 and a molecular weight of 234.16 g/mol. Its IUPAC name is 2,4-dinitronaphthalen-1-ol.

Which grade and pack sizes of Martius yellow can I order?

We supply Martius yellow in Microscopy grade, in 25 g, 100 g, 5 x 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Martius yellow?

Yes. Every lot of Martius yellow 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 Martius yellow be shipped internationally?

Yes. Martius yellow 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.