Methylene blue, 0.5% solution

Name: Methylene blue, 0.5% solution
Brand: Vaqora Chemicals
SKU: VQ-003598

About Methylene blue, 0.5% solution

Vaqora Chemicals supplies Methylene blue in Microscopy grade, a diagnostic reagent registered under CAS 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. Alternative names: Ehrlich's reagent III and Loeffler's Methylene Blue.

It is supplied as a blue liquid. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for clinical chemistry, diagnostic assays and pathology laboratories. Our customers for this product work in academic and industrial research and diagnostics and biotechnology.

We offer Methylene blue in 500 mL, 5 L and 25 L packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Clinical chemistry
Diagnostic assays
Pathology laboratories

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methylene blue, 0.5% solution
Catalogue No.	VQ-003598
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	Microscopy
HSN code	38220090
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	Solution
Appearance	Blue liquid
H-bond donors / acceptors	0 / 4
TPSA	43.9 Å²
Synonyms	Ehrlich's reagent III, Loeffler's Methylene Blue, 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

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

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

AR / Microscopy

Methylene blue, polychrome, AR, for microscopy

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

VQ-047183

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, 0.5% solution?

The CAS Registry Number of Methylene blue, 0.5% solution is 61-73-4. It is also known as Ehrlich's reagent III, Loeffler's Methylene Blue, Basic blue 9.

What is the molecular formula and molecular weight of Methylene blue, 0.5% solution?

Methylene blue, 0.5% solution 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, 0.5% solution can I order?

We supply Methylene blue, 0.5% solution in Microscopy grade, in 500 mL, 5 L, 25 L packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methylene blue, 0.5% solution?

Yes. Every lot of Methylene blue, 0.5% solution 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, 0.5% solution be shipped internationally?

Yes. Methylene blue, 0.5% solution 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.