Disulphine blue

Name: Disulphine blue
Brand: Vaqora Chemicals
SKU: VQ-010861

About Disulphine blue

Disulphine blue is an organosulfur compound in Puriss grade carrying the CAS registry number 129-17-9. The compound has the formula C27H31N2NaO6S2, corresponding to a molecular weight of 566.7 g/mol. It is also known as Acid Blue 1 or Sulfan Blue.

The material typically appears as a dark blue green to dark purple powder. Literature values give a melting point of above 300 °C. Keep the container tightly sealed and store it in a cool, dry area. Good laboratory practice and suitable PPE are recommended during handling.

Typical applications include protein and peptide research and organic synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Disulphine blue in 25 g, 100 g, 1 kg and 4 x 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Protein & peptide research
Organic synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Disulphine blue
Catalogue No.	VQ-010861
CAS Number	129-17-9
IUPAC name	sodium 4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,3-disulfonate
Molecular formula	C₂₇H₃₁N₂NaO₆S₂
Molecular weight	566.7 g/mol
Exact mass	566.1521
Grade	Puriss
HSN code	32049000
InChIKey	SJEYSFABYSGQBG-UHFFFAOYSA-M
SMILES	CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=C(C=C(C=C3)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+]
PubChem CID	8507

Physical properties
Physical form	Powder
Appearance	Dark blue green to dark purple powder
Melting point	>300 °C
H-bond donors / acceptors	0 / 7
TPSA	137 Å²
Synonyms	Acid Blue 1, Sulfan Blue, Patent Blue VF, Blue VRS, Acid Blue V, Hexacol Blue VRS, Disulphen Blau, Disulphine VN, Alphazurine 2G, Hidacid Blue V, Leather Blue G, Amacid Blue V

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 129-17-9

AR

Disulphine blue, AR

CAS: 129-17-9
Formula: C₂₇H₃₁N₂NaO₆S₂
MW: 566.7 g/mol

VQ-046681

Frequently asked questions

What is the CAS number of Disulphine blue?

The CAS Registry Number of Disulphine blue is 129-17-9. It is also known as Acid Blue 1, Sulfan Blue, Patent Blue VF.

What is the molecular formula and molecular weight of Disulphine blue?

Disulphine blue has the molecular formula C27H31N2NaO6S2 and a molecular weight of 566.7 g/mol. Its IUPAC name is sodium 4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,3-disulfonate.

Which grade and pack sizes of Disulphine blue can I order?

We supply Disulphine blue in Puriss grade, in 25 g, 100 g, 1 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Disulphine blue?

Yes. Every lot of Disulphine 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 Disulphine blue be shipped internationally?

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