Methylene blue, polychrome, AR, for microscopy

Name: Methylene blue, polychrome, AR, for microscopy
Brand: Vaqora Chemicals
SKU: VQ-047183

About Methylene blue, polychrome, AR, for microscopy

Methylene blue, polychrome is a biological stain (AR / Microscopy grade) carrying the CAS registry number 61-73-4. With the molecular formula C16H18ClN3S, it has a molar mass of 319.9 g/mol. Systematically, it is named [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium chloride. It is also known as Basic blue 9 or Methylthioninium chloride.

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

Typical applications include histology and cytology staining, microscopy and clinical laboratories. Typical end-use sectors are academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Vaqora Chemicals supplies Methylene blue, polychrome in 25 g, 100 g, 125 mL and 250 mL packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Methylene blue, polychrome, AR, for microscopy
Catalogue No.	VQ-047183
CAS Number	61-73-4
IUPAC name	[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium chloride
Molecular formula	C₁₆H₁₈ClN₃S
Molecular weight	319.9 g/mol
Exact mass	319.091
Grade	AR / Microscopy
HSN code	32041351
InChIKey	CXKWCBBOMKCUKX-UHFFFAOYSA-M
SMILES	CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]
PubChem CID	6099

Physical properties
Physical form	Other
H-bond donors / acceptors	0 / 4
TPSA	43.9 Å²
Synonyms	Basic blue 9, Methylthioninium chloride, Solvent blue 8, Swiss Blue, C.I. Basic Blue 9, Methylene Blue anhydrous, Methylene Blue N, Methylene Blue BB, Urolene blue, Methylenium ceruleum, Methylene Blue chloride, Bleu de methylene

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H318Causes serious eye damage
H412Harmful to aquatic life with long lasting effects

Precautionary statements: P264, P264 + P265, P270, P273, P280, P301 + P317, P305 + P354 + P338, P317, P330, 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 61-73-4

Microscopy

Methylene blue, 0.5% solution

CAS: 61-73-4
Formula: C₁₆H₁₈ClN₃S
MW: 319.9 g/mol

VQ-003598

Methylene blue, aqeous, staining solution

CAS: 61-73-4
Formula: C₁₆H₁₈ClN₃S
MW: 319.9 g/mol

VQ-003599

Microscopy

Methylene blue, polychrome

CAS: 61-73-4
Formula: C₁₆H₁₈ClN₃S
MW: 319.9 g/mol

VQ-000634

Methylene blue, tablets

CAS: 61-73-4
Formula: C₁₆H₁₈ClN₃S
MW: 319.9 g/mol

VQ-003353

Frequently asked questions

What is the CAS number of Methylene blue, polychrome, AR, for microscopy?

The CAS Registry Number of Methylene blue, polychrome, AR, for microscopy is 61-73-4. It is also known as Basic blue 9, Methylthioninium chloride, Solvent blue 8.

What is the molecular formula and molecular weight of Methylene blue, polychrome, AR, for microscopy?

Methylene blue, polychrome, AR, for microscopy has the molecular formula C16H18ClN3S and a molecular weight of 319.9 g/mol. Its IUPAC name is [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium chloride.

Which grade and pack sizes of Methylene blue, polychrome, AR, for microscopy can I order?

We supply Methylene blue, polychrome, AR, for microscopy in AR / Microscopy grade, in 25 g, 100 g, 125 mL, 250 mL, 1 kg, 50 tab packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methylene blue, polychrome, AR, for microscopy?

Yes. Every lot of Methylene blue, polychrome, AR, for microscopy 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 Methylene blue, polychrome, AR, for microscopy be shipped internationally?

Yes. Methylene blue, polychrome, AR, for microscopy 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.