Methylene Blue Impurity 3

Name: Methylene Blue Impurity 3
Brand: Vaqora Chemicals
SKU: VQ-031843

About Methylene Blue Impurity 3

Methylene Blue Impurity 3 is an impurity of Methylene Blue carrying the CAS registry number 43035-11-6. Its molecular formula is C8H12N2O3S2 and its molecular weight is 248.3 g/mol. The IUPAC name is 1-amino-4-(dimethylamino)-2-sulfosulfanylbenzene.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Methylene Blue impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Methylene Blue Impurity 3 is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Methylene Blue

View every impurity, metabolite and intermediate we list for Methylene Blue.

Methylene Blue impurities

Specifications & identifiers

Chemical identifiers
Product name	Methylene Blue Impurity 3
Catalogue No.	VQ-031843
CAS Number	43035-11-6
IUPAC name	1-amino-4-(dimethylamino)-2-sulfosulfanylbenzene
Molecular formula	C₈H₁₂N₂O₃S₂
Molecular weight	248.3 g/mol
Exact mass	248.0289
Grade	Reference Standard
HSN code	38229090
InChIKey	YWFSXFXMEXDVTH-UHFFFAOYSA-N
SMILES	CN(C)C1=CC(=C(C=C1)N)SS(=O)(=O)O
PubChem CID	1627429

Physical properties
Physical form	Solid
LogP (XLogP3)	0.6
H-bond donors / acceptors	2 / 6
TPSA	117 Å²
Synonyms	S-2-amino-5-(dimethylammonio)phenyl sulfothioate, Benzenethiol, 2-amino-5-(dimethylamino)-, sulfate, Thiosulfuric acid (H2S2O3), S-(2-amino-5-(dimethylamino)phenyl) ester, Thiosulfuric acid (H2S2O3), S-[2-amino-5-(dimethylamino)phenyl] ester, S-(2-Amino-5-(dimethylamino)phenyl) O-hydrogen sulfurothioate, thiosulfuric acid S-{2-(amino)-5-(dimethylamino)-phenyl}ester, thiosulfuric acid s-{2-(amino)-5-(dimethylamino)-phenyl} ester

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 Blue Impurity 3?

The CAS Registry Number of Methylene Blue Impurity 3 is 43035-11-6. It is also known as S-2-amino-5-(dimethylammonio)phenyl sulfothioate, Benzenethiol, 2-amino-5-(dimethylamino)-, sulfate, Thiosulfuric acid (H2S2O3), S-(2-amino-5-(dimethylamino)phenyl) ester.

What is the molecular formula and molecular weight of Methylene Blue Impurity 3?

Methylene Blue Impurity 3 has the molecular formula C8H12N2O3S2 and a molecular weight of 248.3 g/mol. Its IUPAC name is 1-amino-4-(dimethylamino)-2-sulfosulfanylbenzene.

What is Methylene Blue Impurity 3 used for?

Methylene Blue Impurity 3 is supplied as a characterised reference material related to Methylene Blue. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Methylene Blue Impurity 3 can I order?

We supply Methylene Blue Impurity 3 in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Methylene Blue Impurity 3?

Yes. Every lot of Methylene Blue Impurity 3 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 Impurity 3 be shipped internationally?

Yes. We export Methylene Blue Impurity 3 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.