Blue tetrazolium

Name: Blue tetrazolium
Brand: Vaqora Chemicals
SKU: VQ-000503

About Blue tetrazolium

Vaqora Chemicals supplies Blue tetrazolium in Microscopy grade, a biological stain registered under CAS number 1871-22-3. Formula C40H32Cl2N8O2, molecular weight 727.6 g/mol. It is also known as BTC or Tetrazolium Blue Chloride.

The material typically appears as a yellow to very dark yellow and brown powder. Literature values give a melting point of 255 °C (dec.). Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for histology and cytology staining, microscopy, clinical laboratories and analytical determinations. It is used across academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

We offer Blue tetrazolium in 1 g, 5 g, 100 g and 5 x 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Analytical determinations

Industries

Specifications & identifiers

Chemical identifiers
Product name	Blue tetrazolium
Catalogue No.	VQ-000503
CAS Number	1871-22-3
IUPAC name	2-[4-[4-(3,5-diphenyltetrazol-2-ium-2-yl)-3-methoxyphenyl]-2-methoxyphenyl]-3,5-diphenyltetrazol-2-ium dichloride
Molecular formula	C₄₀H₃₂Cl₂N₈O₂
Molecular weight	727.6 g/mol
Exact mass	726.2025
Grade	Microscopy
HSN code	29339900
InChIKey	MUUHXGOJWVMBDY-UHFFFAOYSA-L
SMILES	COC1=C(C=CC(=C1)C2=CC(=C(C=C2)[N+]3=NC(=NN3C4=CC=CC=C4)C5=CC=CC=C5)OC)[N+]6=NC(=NN6C7=CC=CC=C7)C8=CC=CC=C8.[Cl-].[Cl-]
PubChem CID	9853362

Physical properties
Physical form	Powder
Appearance	Yellow to very dark yellow and brown powder
Melting point	255 °C (dec.)
H-bond donors / acceptors	0 / 8
TPSA	87.6 Å²
Synonyms	3,3′-(3,3′-Dimethoxy[1,1′-biphenyl]-4,4′-diyl)-bis(2,5-diphenyl-2H-tetrazolium) dichloride, 3,3′-Dianisole-4,4′-bis(3,5-diphenyltetrazolium chloride), BTC, Tetrazolium Blue Chloride, Tetrazolium blue, Blue tetrazolium chloride, Ditetrazolium chloride, Dimethoxy neotetrazolium, 4-Anisyltetrazolium blue, 3,3'-Dianisolebis(4,4'-(3,5-diphenyl)tetrazolium chloride), 3,3'-(3,3'-Dimethoxy-4,4'-biphenylene)bis(2,5-diphenyl-2H-tetrazolium) chloride, 3,3'-Dianisolebis(4,4'-(3,5-diphenyl)tetrazoliumchloride)

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H350May cause cancer

Precautionary statements: P203, P280, P318, 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

Other grades of CAS 1871-22-3

Blue tetrazolium

CAS: 1871-22-3
Formula: C₄₀H₃₂Cl₂N₈O₂
MW: 727.6 g/mol

VQ-046897

AR

Blue tetrazolium, AR

CAS: 1871-22-3
Formula: C₄₀H₃₂Cl₂N₈O₂
MW: 727.6 g/mol

VQ-046795

AR / Microscopy

Blue tetrazolium, AR, for microscopy ≥95%

CAS: 1871-22-3
Formula: C₄₀H₃₂Cl₂N₈O₂
MW: 727.6 g/mol

VQ-045506

Frequently asked questions

What is the CAS number of Blue tetrazolium?

The CAS Registry Number of Blue tetrazolium is 1871-22-3. It is also known as 3,3′-(3,3′-Dimethoxy[1,1′-biphenyl]-4,4′-diyl)-bis(2,5-diphenyl-2H-tetrazolium) dichloride, 3,3′-Dianisole-4,4′-bis(3,5-diphenyltetrazolium chloride), BTC.

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

Blue tetrazolium has the molecular formula C40H32Cl2N8O2 and a molecular weight of 727.6 g/mol. Its IUPAC name is 2-[4-[4-(3,5-diphenyltetrazol-2-ium-2-yl)-3-methoxyphenyl]-2-methoxyphenyl]-3,5-diphenyltetrazol-2-ium dichloride.

Which grade and pack sizes of Blue tetrazolium can I order?

We supply Blue tetrazolium in Microscopy grade, in 1 g, 5 g, 100 g, 5 x 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Blue tetrazolium?

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

Yes. Blue tetrazolium 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.