Fast violet B salt

About Fast violet B salt

Fast violet B salt is a biological stain in Microscopy grade carrying the CAS registry number 14726-28-4. With the molecular formula C15H14ClN3O2, it has a molar mass of 303.74 g/mol. Its systematic (IUPAC) name is 2-methoxy-5-methyl-4-(phenylcarbamoyl)benzenediazonium chloride. It is also known as Azoic Diazo No. 41 or 14726-28-4(free).

It is supplied as a solid. Store sealed in a dry, well-ventilated location away from incompatible materials. Good laboratory practice and suitable PPE are recommended during handling.

Key uses span histology and cytology staining, microscopy, clinical laboratories and biological staining. Typical end-use sectors are academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Standard pack sizes are 1 g, 5 g, 100 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Biological staining

Industries

Specifications & identifiers

Chemical identifiers
Product name	Fast violet B salt
Catalogue No.	VQ-000583
CAS Number	14726-28-4
IUPAC name	2-methoxy-5-methyl-4-(phenylcarbamoyl)benzenediazonium chloride
Molecular formula	C₁₅H₁₄ClN₃O₂
Molecular weight	303.74 g/mol
Exact mass	303.0775
Grade	Microscopy
HSN code	38229090
InChIKey	RZQYYDRDWIEWEB-UHFFFAOYSA-N
SMILES	CC1=CC(=C(C=C1C(=O)NC2=CC=CC=C2)OC)[N+]#N.[Cl-]
PubChem CID	2734963

Physical properties
Physical form	Solid
Appearance	Solid
H-bond donors / acceptors	1 / 4
TPSA	66.5 Å²
Synonyms	4-Amino-5-methoxy-2-methylbenzanilide diazotated zinc double salt, 4-Benzoylamino-2-methoxy-5-methylbenzenediazonium chloride hemi(zinc chloride) salt, Azoic Diazo No. 41, 4-(Benzoylamino)-2-methoxy-5-methylbenzenediazonium tetrachlorozincate (2:1), 14726-28-4(free)

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 Fast violet B salt?

The CAS Registry Number of Fast violet B salt is 14726-28-4. It is also known as 4-Amino-5-methoxy-2-methylbenzanilide diazotated zinc double salt, 4-Benzoylamino-2-methoxy-5-methylbenzenediazonium chloride hemi(zinc chloride) salt, Azoic Diazo No. 41.

What is the molecular formula and molecular weight of Fast violet B salt?

Fast violet B salt has the molecular formula C15H14ClN3O2 and a molecular weight of 303.74 g/mol. Its IUPAC name is 2-methoxy-5-methyl-4-(phenylcarbamoyl)benzenediazonium chloride.

Which grade and pack sizes of Fast violet B salt can I order?

We supply Fast violet B salt in Microscopy grade, in 1 g, 5 g, 100 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Fast violet B salt?

Yes. Every lot of Fast violet B salt 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 Fast violet B salt be shipped internationally?

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