Methyl purple

Name: Methyl purple
Brand: Vaqora Chemicals
SKU: VQ-000623

About Methyl purple

Vaqora Chemicals supplies Methyl purple, a biological stain registered under CAS number 1340-02-9. Its molecular formula is C67H62N8Na4O14S3 and its molecular weight is 1391.4 g/mol. It is also known as Methyl Purple (in H2O).

It is supplied as a solid. Store in a tightly closed container in a cool, dry and well-ventilated place. Good laboratory practice and suitable PPE are recommended during handling.

Typical applications include histology and cytology staining, microscopy and clinical laboratories. It is used across academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

We offer Methyl purple in 5 g packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories

Industries

Specifications & identifiers

Chemical identifiers
Product name	Methyl purple
Catalogue No.	VQ-000623
CAS Number	1340-02-9
IUPAC name	tetrasodium;bis(2-[[4-(dimethylamino)phenyl]diazenyl]benzoate);2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-5-hydroxybenzenesulfonate
Molecular formula	C₆₇H₆₂N₈Na₄O₁₄S₃
Molecular weight	1391.4 g/mol
Exact mass	1390.3138
HSN code	32049000
InChIKey	CNJVTYXLOYTWPD-UHFFFAOYSA-J
SMILES	CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=C(C=C(C=C5)O)S(=O)(=O)[O-].CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+].[Na+].[Na+].[Na+]
PubChem CID	22836353

Physical properties
Physical form	Solid
Appearance	Solid
H-bond donors / acceptors	1 / 21
TPSA	359 Å²

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 1340-02-9

Methyl purple solution

CAS: 1340-02-9
Formula: C₆₇H₆₂N₈Na₄O₁₄S₃
MW: 1391.4 g/mol

VQ-003595

Frequently asked questions

What is the CAS number of Methyl purple?

The CAS Registry Number of Methyl purple is 1340-02-9. It is also known as 8-Hydroxy-11-methyldibenz(b,e)(1,4)oxazepin-2(11H)one, 8Hydroxy11methyldibenz(b,e)(1,4)oxazepin2(11H)one, Methyl Purple (in H2O).

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

Methyl purple has the molecular formula C67H62N8Na4O14S3 and a molecular weight of 1391.4 g/mol.

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

We supply Methyl purple, in 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methyl purple?

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

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