Methylene blue trihydrate, for spectroscopy

Name: Methylene blue trihydrate, for spectroscopy
Brand: Vaqora Chemicals
SKU: VQ-020441

About Methylene blue trihydrate, for spectroscopy

Methylene blue trihydrate (CAS 7220-79-3) is an indicator offered by Vaqora Chemicals (Spectroscopy grade). Its molecular formula is C16H24ClN3O3S and its molecular weight is 373.9 g/mol. Common synonyms include 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. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Typical applications include titration end-point detection, pH determination, analytical testing and indicator for titrations. Our customers for this product work in academic and industrial research and textiles and dyeing.

Vaqora Chemicals supplies Methylene blue trihydrate in 25 g, 100 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports 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 name	Methylene blue trihydrate, for spectroscopy
Catalogue No.	VQ-020441
CAS Number	7220-79-3
IUPAC name	[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;trihydrate
Molecular formula	C₁₆H₂₄ClN₃O₃S
Molecular weight	373.9 g/mol
Exact mass	373.1227
Grade	Spectroscopy
InChIKey	XQAXGZLFSSPBMK-UHFFFAOYSA-M
SMILES	CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.O.O.O.[Cl-]
PubChem CID	104827

Physical properties
Physical form	Other
H-bond donors / acceptors	3 / 7
TPSA	46.9 Å²
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), 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)

Harmful / irritant

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

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 7220-79-3

Molecular Biology

Methylene Blue Trihydrate, for molecular biology

CAS: 7220-79-3
Formula: C₁₆H₂₄ClN₃O₃S
MW: 373.9 g/mol

VQ-020393

Practical

Methylene blue trihydrate, practical grade

CAS: 7220-79-3
Formula: C₁₆H₂₄ClN₃O₃S
MW: 373.9 g/mol

VQ-019649

Frequently asked questions

What is the CAS number of Methylene blue trihydrate, for spectroscopy?

The CAS Registry Number of Methylene blue trihydrate, for spectroscopy 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, for spectroscopy?

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

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

We supply Methylene blue trihydrate, for spectroscopy in Spectroscopy 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, for spectroscopy?

Yes. Every lot of Methylene blue trihydrate, for spectroscopy 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, for spectroscopy be shipped internationally?

Yes. Methylene blue trihydrate, for spectroscopy 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.