Magneson I, practical grade

Name: Magneson I, practical grade
Brand: Vaqora Chemicals
SKU: VQ-046792

About Magneson I, practical grade

Vaqora Chemicals supplies Magneson I (Practical grade), a biological stain registered under CAS number 74-39-5. Formula C12H9N3O4, molecular weight 259.22 g/mol. Systematically, it is named 4-[(4-nitrophenyl)diazenyl]benzene-1,3-diol. Common synonyms include 4-(4-Nitrophenylazo)resorcinol and p-Diazoviolet.

Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include histology and cytology staining, microscopy, clinical laboratories and indicator for titrations. It is used across academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Available in 25 g and 100 g packs, Magneson I is dispatched with a Certificate of Analysis (COA) to destinations worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Indicator for titrations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Magneson I, practical grade
Catalogue No.	VQ-046792
CAS Number	74-39-5
IUPAC name	4-[(4-nitrophenyl)diazenyl]benzene-1,3-diol
Molecular formula	C₁₂H₉N₃O₄
Molecular weight	259.22 g/mol
Exact mass	259.0593
Grade	Practical
HSN code	32041954
InChIKey	NGPGYVQZGRJHFJ-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1N=NC2=C(C=C(C=C2)O)O)[N+](=O)[O-]
PubChem CID	6320

Physical properties
Physical form	Other
LogP (XLogP3)	2.8
H-bond donors / acceptors	2 / 6
TPSA	111 Å²
Synonyms	4-(4-Nitrophenylazo)resorcinol, p-Diazoviolet, p-Diazviolet, 4-(4-Nitrophenyl)azoresorcinol, 1,3-Benzenediol, 4-[(4-nitrophenyl)azo]-, p-nitro-4-azoresorcin, 1,3-Benzenediol, 4-((4-nitrophenyl)azo)-, Resorcinol, 4-((p-nitrophenyl)azo)-, 1,3-Benzenediol, 4-(2-(4-nitrophenyl)diazenyl)-, 4-[(E)-(4-nitrophenyl)diazenyl]benzene-1,3-diol, 1,3-dihydroxy-4-(4-nitrophenylazo)benzene, 4-(2-(4-nitrophenyl)diazenyl)-1,3-benzenediol

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 74-39-5

AR

Magneson I, GR indicator

CAS: 74-39-5
Formula: C₁₂H₉N₃O₄
MW: 259.22 g/mol

VQ-000613

Frequently asked questions

What is the CAS number of Magneson I, practical grade?

The CAS Registry Number of Magneson I, practical grade is 74-39-5. It is also known as 4-(4-Nitrophenylazo)resorcinol, p-Diazoviolet, p-Diazviolet.

What is the molecular formula and molecular weight of Magneson I, practical grade?

Magneson I, practical grade has the molecular formula C12H9N3O4 and a molecular weight of 259.22 g/mol. Its IUPAC name is 4-[(4-nitrophenyl)diazenyl]benzene-1,3-diol.

Which grade and pack sizes of Magneson I, practical grade can I order?

We supply Magneson I, practical grade in Practical 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 Magneson I, practical grade?

Yes. Every lot of Magneson I, practical grade 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 Magneson I, practical grade be shipped internationally?

Yes. Magneson I, practical grade 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.