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

Methylene blue, tablets

Synonyms: Basic blue 9 · Methylthioninium chloride · Solvent blue 8 · Swiss Blue

CAS No.61-73-4
FormulaC16H18ClN3S
Mol. weight319.90
Catalogue No.VQ-003353
PurityOn COA
HSN38220090

Methylene blue, tablets (CAS 61-73-4) – molecular biology reagent. C16H18ClN3S, MW 319.9. COA included. Worldwide shipping from Vaqora Chemicals.

Pack sizesPrice on quotation · bulk available
50 tabs
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, tablets

Methylene blue, tablets (CAS 61-73-4) is a molecular biology reagent offered by Vaqora Chemicals. The compound has the formula C16H18ClN3S, corresponding to a molecular weight of 319.9 g/mol. Systematically, it is named [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium chloride. Alternative names: Basic blue 9 and Methylthioninium chloride.

The material typically appears as dark blue to deep blue to black tablets. 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.

Typical applications include electrophoresis, DNA/RNA workflows, protein analysis and diagnostic assays. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

We offer Methylene blue, tablets in 50 tabs packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

  • Electrophoresis
  • DNA/RNA workflows
  • Protein analysis
  • Diagnostic assays

Industries

Specifications & identifiers

Chemical identifiers
Product nameMethylene blue, tablets
Catalogue No.VQ-003353
CAS Number61-73-4
IUPAC name[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium chloride
Molecular formulaC16H18ClN3S
Molecular weight319.9 g/mol
Exact mass319.091
HSN code38220090
InChIKeyCXKWCBBOMKCUKX-UHFFFAOYSA-M
SMILESCN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]
PubChem CID6099
Physical properties
Physical formPellets
AppearanceDark blue to deep blue to black tablets
H-bond donors / acceptors0 / 4
TPSA43.9 Ų
SynonymsBasic 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)

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, tablets?

The CAS Registry Number of Methylene blue, tablets 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, tablets?

Methylene blue, tablets 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, tablets can I order?

We supply Methylene blue, tablets, in 50 tabs packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methylene blue, tablets?

Yes. Every lot of Methylene blue, tablets 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, tablets be shipped internationally?

Yes. Methylene blue, tablets 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, tablets

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 Molecular Biology, Nucleotides & Purification Reagents →