Methylene green

Name: Methylene green
Brand: Vaqora Chemicals
SKU: VQ-020446

About Methylene green

Methylene green (CAS 2679-01-8) is an indicator offered by Vaqora Chemicals. Formula C16H17ClN4O2S, molecular weight 364.9 g/mol. Its systematic (IUPAC) name is [7-(dimethylamino)-4-nitrophenothiazin-3-ylidene]-dimethylazanium chloride. Alternative names: Basic Green 5 and C.I. Basic Green 5.

Store in a tightly closed container in a cool, dry and well-ventilated place. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Key uses span 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.

Standard pack sizes are 1 g and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

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

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methylene green
Catalogue No.	VQ-020446
CAS Number	2679-01-8
IUPAC name	[7-(dimethylamino)-4-nitrophenothiazin-3-ylidene]-dimethylazanium chloride
Molecular formula	C₁₆H₁₇ClN₄O₂S
Molecular weight	364.9 g/mol
Exact mass	364.0761
InChIKey	YYGBVRCTHASBKD-UHFFFAOYSA-M
SMILES	CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C(=C3S2)[N+](=O)[O-].[Cl-]
PubChem CID	75889

Physical properties
Physical form	Other
H-bond donors / acceptors	0 / 6
TPSA	89.7 Å²
Synonyms	Basic Green 5, C.I. Basic Green 5, Phenothiazin-5-ium, 3,7-bis(dimethylamino)-4-nitro-, chloride, 3,7-Bis(dimethylamino)-4-nitrophenothiazin-5-ium chloride, N-(7-(dimethylamino)-4-nitro-3H-phenothiazin-3-ylidene)-N-methylmethanaminium chloride, C.I. Basic Green 5 (VAN), Methylene green (VAN), [7-(dimethylamino)-4-nitrophenothiazin-3-ylidene]dimethylamine, chloride, Phenothiazin-5-ium,7-bis(dimethylamino)-4-nitro-, chloride, 3, 7-Bis(Dimethylamino)-4-Nitro-Phenothiazin-5-Ium, Chloride

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Methylene green?

The CAS Registry Number of Methylene green is 2679-01-8. It is also known as Basic Green 5, C.I. Basic Green 5, Phenothiazin-5-ium, 3,7-bis(dimethylamino)-4-nitro-, chloride.

What is the molecular formula and molecular weight of Methylene green?

Methylene green has the molecular formula C16H17ClN4O2S and a molecular weight of 364.9 g/mol. Its IUPAC name is [7-(dimethylamino)-4-nitrophenothiazin-3-ylidene]-dimethylazanium chloride.

Which grade and pack sizes of Methylene green can I order?

We supply Methylene green, in 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methylene green?

Yes. Every lot of Methylene green 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 green be shipped internationally?

Yes. We export Methylene green worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.