Methyl green

About Methyl green

Methyl green is a biological stain carrying the CAS registry number 7114-03-6, specified at ≥85% purity. Formula C27H35BrCl3N3Zn, molecular weight 653.2 g/mol. It is also known as Ethyl green or Methyl Green zinc chloride salt.

The material typically appears as a green to dark green powder or crystalline powder. Reported physical data include a melting point of above 300 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Typical applications include histology and cytology staining, microscopy, clinical laboratories and buffer preparation. Our customers for this product work in academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Standard pack sizes are 5 g, 10 g, 25 g and 100 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Buffer preparation

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methyl green
Catalogue No.	VQ-000621
CAS Number	7114-03-6
IUPAC name	dichlorozinc;[4-[[4-(dimethylamino)phenyl]-(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]phenyl]-ethyl-dimethylazanium;bromide;chloride
Molecular formula	C₂₇H₃₅BrCl₃N₃Zn
Molecular weight	653.2 g/mol
Exact mass	649.0371
Purity / assay	≥85%
HSN code	29420090
InChIKey	RRKSQWOQZFIQKW-UHFFFAOYSA-J
SMILES	CC[N+](C)(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-].Cl[Zn]Cl.[Br-]
PubChem CID	16211442

Physical properties
Physical form	Powder
Appearance	Green to dark green powder or crystalline powder
Melting point	>300 °C
H-bond donors / acceptors	0 / 3
TPSA	6.3 Å²
Synonyms	Ethyl green, Methyl Green zinc chloride salt, Methyl Green, zinc chloride, Methyl Green, 80%, Methyl Green, zinc chloride salt, ~85%, Methyl Green zinc chloride salt (C.I. 42590), Methyl Green, zinc chloride salt, <0.5% crystal violet, Dye content 80 %, Methyl Green, zinc chloride salt, for microscopy (Bact., Bot., Hist.)

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 Methyl green?

The CAS Registry Number of Methyl green is 7114-03-6. It is also known as Ethyl green, Methyl Green zinc chloride salt, Methyl Green, zinc chloride.

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

Methyl green has the molecular formula C27H35BrCl3N3Zn and a molecular weight of 653.2 g/mol.

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

We supply Methyl green in (≥85%) grade, in 5 g, 10 g, 25 g, 100 g, 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methyl green?

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

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