Worldwide shipping · 120+ destinationsCOA & GHS SDS with every lotMon–Sat, 09:30–18:30 IST
VAQORACHEMICALS
Diagnostic & Clinical ReagentsAvailable on request

Methylene blue, aqeous, staining solution

Synonyms: Ehrlich's reagent III · Loeffler's Methylene Blue · Basic blue 9 · Methylthioninium chloride

CAS No.61-73-4
FormulaC16H18ClN3S
Mol. weight319.90
Catalogue No.VQ-003599
PurityOn COA
HSN38229090

Methylene blue, aqeous, staining solution (CAS 61-73-4) – diagnostic reagent. C16H18ClN3S, MW 319.9. From Vaqora Chemicals, with COA and worldwide delivery.

Pack sizesPrice on quotation · bulk available
125 mL
250 mL
5 L
25 L
Bulk / custom pack · kg to MT
Enquire
Enquire
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Methylene blue, aqeous, staining solution

Methylene blue, aqeous, staining solution is a diagnostic reagent carrying the CAS registry number 61-73-4. Formula C16H18ClN3S, molecular weight 319.9 g/mol. Its systematic (IUPAC) name is [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 in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span clinical chemistry, diagnostic assays and pathology laboratories. Typical end-use sectors are academic and industrial research and diagnostics and biotechnology.

We offer Methylene blue, aqeous, staining solution in 125 mL, 250 mL, 5 L and 25 L packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

  • Clinical chemistry
  • Diagnostic assays
  • Pathology laboratories

Industries

Specifications & identifiers

Chemical identifiers
Product nameMethylene blue, aqeous, staining solution
Catalogue No.VQ-003599
CAS Number61-73-4
IUPAC name[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium chloride
Molecular formulaC16H18ClN3S
Molecular weight319.9 g/mol
Exact mass319.091
HSN code38229090
InChIKeyCXKWCBBOMKCUKX-UHFFFAOYSA-M
SMILESCN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]
PubChem CID6099
Physical properties
Physical formSolution
AppearanceBlue liquid
H-bond donors / acceptors0 / 4
TPSA43.9 Ų
SynonymsEhrlich'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)

GHS05 Corrosive
Corrosive
GHS07 Harmful / irritant
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

Other grades of CAS 61-73-4

Frequently asked questions

What is the CAS number of Methylene blue, aqeous, staining solution?

The CAS Registry Number of Methylene blue, aqeous, staining 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, aqeous, staining solution?

Methylene blue, aqeous, staining 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, aqeous, staining solution can I order?

We supply Methylene blue, aqeous, staining solution, in 125 mL, 250 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, aqeous, staining solution?

Yes. Every lot of Methylene blue, aqeous, staining 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, aqeous, staining solution be shipped internationally?

Yes. Methylene blue, aqeous, staining 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.

Enquire about Methylene blue, aqeous, staining solution

We reply within one business day with price, pack options, lead time and documentation.

By submitting you agree to our privacy policy. We never share your details.

Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

Related products

More in Diagnostic & Clinical Reagents →