Direct blue 6

Name: Direct blue 6
Brand: Vaqora Chemicals
SKU: VQ-019803

About Direct blue 6

Vaqora Chemicals supplies Direct blue 6, an indicator registered under CAS number 2602-46-2. Its molecular formula is C32H20N6Na4O14S4 and its molecular weight is 932.8 g/mol. Alternative names: C.I. Direct Blue 6 and Airedale Blue 2BD.

Store in a tightly closed container in a cool, dry and well-ventilated place. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Key uses span titration end-point detection, pH determination, analytical testing and indicator for titrations. It is used across academic and industrial research and textiles and dyeing.

Standard pack sizes are 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Titration end-point detection
pH determination
Analytical testing
Indicator for titrations

Industries

Specifications & identifiers

Chemical identifiers
Product name	Direct blue 6
Catalogue No.	VQ-019803
CAS Number	2602-46-2
IUPAC name	tetrasodium;5-amino-3-[[4-[4-[(8-amino-1-hydroxy-3,6-disulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]-4-hydroxynaphthalene-2,7-disulfonate
Molecular formula	C₃₂H₂₀N₆Na₄O₁₄S₄
Molecular weight	932.8 g/mol
Exact mass	931.9511
InChIKey	MPCYPRXRVWZKGF-UHFFFAOYSA-J
SMILES	C1=CC(=CC=C1C2=CC=C(C=C2)N=NC3=C(C4=C(C=C(C=C4C=C3S(=O)(=O)[O-])S(=O)(=O)[O-])N)O)N=NC5=C(C6=C(C=C(C=C6C=C5S(=O)(=O)[O-])S(=O)(=O)[O-])N)O.[Na+].[Na+].[Na+].[Na+]
PubChem CID	17449

Physical properties
Physical form	Other
H-bond donors / acceptors	4 / 20
TPSA	404 Å²
Synonyms	C.I. Direct Blue 6, Airedale Blue 2BD, Direct Sky Blue K, Direct Blue 2B, Indigo Blue 2B, Kayaku direct, Diamine Blue BB, Chlorazol Blue B, Direct Blue A, Direct Blue BB, Direct Blue GS, Direct Blue K

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 Direct blue 6?

The CAS Registry Number of Direct blue 6 is 2602-46-2. It is also known as C.I. Direct Blue 6, Airedale Blue 2BD, Direct Sky Blue K.

What is the molecular formula and molecular weight of Direct blue 6?

Direct blue 6 has the molecular formula C32H20N6Na4O14S4 and a molecular weight of 932.8 g/mol.

Which grade and pack sizes of Direct blue 6 can I order?

We supply Direct blue 6, in 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Direct blue 6?

Yes. Every lot of Direct blue 6 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 Direct blue 6 be shipped internationally?

Yes. We export Direct blue 6 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.