Isosulfan Blue

Name: Isosulfan Blue
Brand: Vaqora Chemicals
SKU: VQ-031280

About Isosulfan Blue

Isosulfan Blue is a high-purity reference standard of Isosulfan Blue carrying the CAS registry number 68238-36-8. With the molecular formula C27H31N2NaO6S2, it has a molar mass of 566.7 g/mol. Alternative names: lymphazurin blue and iso-sulphan blue.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Laboratories use this Isosulfan Blue standard for identity and assay testing, system suitability checks and method validation supporting ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Isosulfan Blue in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Identification & assay
Method development & validation
QC reference material

Industries

Related to Isosulfan Blue

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

Isosulfan Blue impurities

Specifications & identifiers

Chemical identifiers
Product name	Isosulfan Blue
Catalogue No.	VQ-031280
CAS Number	68238-36-8
IUPAC name	sodium 2-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,4-disulfonate
Molecular formula	C₂₇H₃₁N₂NaO₆S₂
Molecular weight	566.7 g/mol
Exact mass	566.1521
Grade	Reference Standard
HSN code	38229090
InChIKey	NLUFDZBOHMOBOE-UHFFFAOYSA-M
SMILES	CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=C(C=CC(=C3)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+]
PubChem CID	50108

Physical properties
Physical form	Solid
H-bond donors / acceptors	0 / 7
TPSA	137 Å²
Synonyms	lymphazurin blue, iso-sulphan blue, Sulphan blue 2,5-disulfophenyl, Disulphin Blau, Sulphan blue 2,5-disulfophenyl isomer, Bleu isosulfan, Isosulfan blue (USAN), Patent blau V, Azul isosulfano, Blu isosulfan, Azul de isosulfan

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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

Frequently asked questions

What is the CAS number of Isosulfan Blue?

The CAS Registry Number of Isosulfan Blue is 68238-36-8. It is also known as lymphazurin blue, iso-sulphan blue, Sulphan blue 2,5-disulfophenyl.

What is the molecular formula and molecular weight of Isosulfan Blue?

Isosulfan Blue has the molecular formula C27H31N2NaO6S2 and a molecular weight of 566.7 g/mol. Its IUPAC name is sodium 2-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,4-disulfonate.

What is Isosulfan Blue used for?

Isosulfan Blue is supplied as a characterised reference material related to Isosulfan 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 Isosulfan Blue can I order?

We supply Isosulfan Blue 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 Isosulfan Blue?

Yes. Every lot of Isosulfan Blue 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 Isosulfan Blue be shipped internationally?

Yes. Isosulfan Blue 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.