Prussian blue

Name: Prussian blue
Brand: Vaqora Chemicals
SKU: VQ-000690

About Prussian blue

Vaqora Chemicals supplies Prussian blue (Microscopy grade), a biological stain registered under CAS number 14038-43-8. Its molecular formula is C18Fe7N18 and its molecular weight is 859.2 g/mol. The IUPAC name is tris(iron(2+)). Tetrakis(iron(3+)). Octadecacyanide. Common synonyms include Iron(III) ferrocyanide and iron(III) hexacyanoferrate(II).

In its supplied form it is a blue to dark blue powder. Solubility: insoluble in water. Keep the container tightly sealed and store it in a cool, dry area. It carries the GHS signal word “Warning” with 2 hazard statements. Review the Safety Data Sheet before use.

It is commonly used for histology and cytology staining, microscopy, clinical laboratories and dyes and pigments manufacture. Buyers come mainly from academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Vaqora Chemicals supplies Prussian blue in 10 g, 25 g, 100 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Dyes & pigments manufacture

Industries

Specifications & identifiers

Chemical identifiers
Product name	Prussian blue
Catalogue No.	VQ-000690
CAS Number	14038-43-8
IUPAC name	tris(iron(2+));tetrakis(iron(3+));octadecacyanide
Molecular formula	C₁₈Fe₇N₁₈
Molecular weight	859.2 g/mol
Exact mass	859.5999
Grade	Microscopy
HSN code	28372090
InChIKey	DCYOBGZUOMKFPA-UHFFFAOYSA-N
SMILES	[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3]
PubChem CID	2724251

Physical properties
Physical form	Powder
Appearance	Blue to dark blue powder
Solubility	Insoluble in water
H-bond donors / acceptors	0 / 36
TPSA	428 Å²
Synonyms	Iron(III) ferrocyanide, iron(III) hexacyanoferrate(II), Prussian blue insoluble, Ferrocin, Berlin Blue, Ferric hexacyanoferrate, Berliner Blau, Turnbulls Blau, iron(3+) hexacyanoferrate(4-), iron(III) hexacyanidoferrate(II), iron(3+) hexacyanidoferrate(4-), Fe4(Fe(CN)6)3

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H312Harmful in contact with skin
H332Harmful if inhaled

Precautionary statements: P261, P271, P280, P302 + P352, P304 + P340, P317, P321, P362 + P364, 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 Prussian blue?

The CAS Registry Number of Prussian blue is 14038-43-8. It is also known as Iron(III) ferrocyanide, iron(III) hexacyanoferrate(II), Prussian blue insoluble.

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

Prussian blue has the molecular formula C18Fe7N18 and a molecular weight of 859.2 g/mol.

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

We supply Prussian blue in Microscopy grade, in 10 g, 25 g, 100 g, 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Prussian blue?

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

Yes. Prussian 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.