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Methylene blue trihydrate, practical grade

Synonyms: Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride, trihydrate · 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride trihydrate · C.I. Basic Blue 9, trihydrate · C.I. Basic Blue 9, trihydrate (8CI)

CAS No.7220-79-3
FormulaC16H24ClN3O3S
Mol. weight373.90
Catalogue No.VQ-019649
PurityPractical
HSN—

Methylene blue trihydrate (CAS 7220-79-3) – indicator, Practical grade. C16H24ClN3O3S, MW 373.9. From Vaqora Chemicals, with COA and worldwide delivery.

Pack sizesPrice on quotation · bulk available
25 g
100 g
1 kg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Methylene blue trihydrate, practical grade

Methylene blue trihydrate (CAS 7220-79-3) is an indicator offered by Vaqora Chemicals in Practical grade. With the molecular formula C16H24ClN3O3S, it has a molar mass of 373.9 g/mol. Alternative names: C.I. Basic Blue 9, trihydrate and C.I. Basic Blue 9, trihydrate (8CI).

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include titration end-point detection, pH determination, analytical testing and indicator for titrations. It is used across academic and industrial research and textiles and dyeing.

Available in 25 g, 100 g and 1 kg packs, Methylene blue trihydrate is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

  • Titration end-point detection
  • pH determination
  • Analytical testing
  • Indicator for titrations

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameMethylene blue trihydrate, practical grade
Catalogue No.VQ-019649
CAS Number7220-79-3
IUPAC name[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;trihydrate
Molecular formulaC16H24ClN3O3S
Molecular weight373.9 g/mol
Exact mass373.1227
GradePractical
InChIKeyXQAXGZLFSSPBMK-UHFFFAOYSA-M
SMILESCN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.O.O.O.[Cl-]
PubChem CID104827
Physical properties
Physical formOther
H-bond donors / acceptors3 / 7
TPSA46.9 Ų
SynonymsPhenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride, trihydrate, 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride trihydrate, C.I. Basic Blue 9, trihydrate, C.I. Basic Blue 9, trihydrate (8CI), 3,7Bis(dimethylamino)phenazathionium chloride trihydrate, 3,7Bis(dimethylamino)phenothiazin5ium chloride trihydrate, 3,7Bis(dimethylamino)phenothiazin5ium, chloride, trihydrate, Phenothiazin5ium, 3,7bis(dimethylamino), chloride, trihydrate, methylthioninium chloride trihydrate, [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium chloride

Safety & hazard information (GHS)

GHS07 Harmful / irritant
Harmful / irritant
GHS08 Health hazard
Health hazard

Signal word: Warning

Hazard statements

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements: P260, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, 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

Other grades of CAS 7220-79-3

Frequently asked questions

What is the CAS number of Methylene blue trihydrate, practical grade?

The CAS Registry Number of Methylene blue trihydrate, practical grade is 7220-79-3. It is also known as Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride, trihydrate, 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride trihydrate, C.I. Basic Blue 9, trihydrate.

What is the molecular formula and molecular weight of Methylene blue trihydrate, practical grade?

Methylene blue trihydrate, practical grade has the molecular formula C16H24ClN3O3S and a molecular weight of 373.9 g/mol.

Which grade and pack sizes of Methylene blue trihydrate, practical grade can I order?

We supply Methylene blue trihydrate, practical grade in Practical grade, in 25 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methylene blue trihydrate, practical grade?

Yes. Every lot of Methylene blue trihydrate, 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 Methylene blue trihydrate, practical grade be shipped internationally?

Yes. Methylene blue trihydrate, 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.

Enquire about Methylene blue trihydrate, practical grade

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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
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