Nitro BT, indicator

Name: Nitro BT, indicator
Brand: Vaqora Chemicals
SKU: VQ-000390

About Nitro BT, indicator

Nitro BT, indicator (CAS 298-83-9) is an indicator offered by Vaqora Chemicals, specified at 98% purity. The compound has the formula C40H30N10O6+2, corresponding to a molecular weight of 746.7 g/mol. Alternative names: p-Nitro-Blue tetrazolium chloride and p-Nitrotetrazolium blue.

In its supplied form it is a yellow to brown powder. Recommended storage is at 2–8 °C, with the container kept tightly sealed. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span titration end-point detection, pH determination, analytical testing and diagnostic assays. Typical end-use sectors are academic and industrial research and diagnostics and biotechnology.

Available in 100 mg, 250 mg, 1 g and 250 g packs, Nitro BT, indicator is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Titration end-point detection
pH determination
Analytical testing
Diagnostic assays

Industries

Specifications & identifiers

Chemical identifiers
Product name	Nitro BT, indicator
Catalogue No.	VQ-000390
CAS Number	298-83-9
IUPAC name	2-[2-methoxy-4-[3-methoxy-4-[3-(4-nitrophenyl)-5-phenyltetrazol-2-ium-2-yl]phenyl]phenyl]-3-(4-nitrophenyl)-5-phenyltetrazol-2-ium
Molecular formula	C₄₀H₃₀N₁₀O₆⁺2
Molecular weight	746.7 g/mol
Exact mass	746.235
Purity / assay	98%
HSN code	32049000
InChIKey	JPXMTWWFLBLUCD-UHFFFAOYSA-N
SMILES	COC1=C(C=CC(=C1)C2=CC(=C(C=C2)[N+]3=NC(=NN3C4=CC=C(C=C4)[N+](=O)[O-])C5=CC=CC=C5)OC)[N+]6=NC(=NN6C7=CC=C(C=C7)[N+](=O)[O-])C8=CC=CC=C8
PubChem CID	9282

Physical properties
Physical form	Powder
Appearance	Yellow to brown powder
LogP (XLogP3)	12
H-bond donors / acceptors	0 / 10
TPSA	179 Å²
Storage	2–8 °C
Synonyms	p-Nitro-Blue tetrazolium chloride, p-Nitrotetrazolium blue, NBT, Nitroblue tetrazolium cation, Blue, Nitrotetrazolium, Nitro tetrazolium BT, Tetrazolium nitro BT, NBT (dye), Tetrazolium Nitro Blue, Nitroblue tetrazolium salt, Nitro Blue tetrazolium salt, Nitrotetrazolium Chloride Blue

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 298-83-9

AR

Nitro BT, indicator, AR

CAS: 298-83-9
Formula: C₄₀H₃₀N₁₀O₆⁺2
MW: 746.7 g/mol

VQ-045727

Cell Culture

Nitro BT, indicator, cell culture tested

CAS: 298-83-9
Formula: C₄₀H₃₀N₁₀O₆⁺2
MW: 746.7 g/mol

VQ-046115

Frequently asked questions

What is the CAS number of Nitro BT, indicator?

The CAS Registry Number of Nitro BT, indicator is 298-83-9. It is also known as p-Nitro-Blue tetrazolium chloride, p-Nitrotetrazolium blue, NBT.

What is the molecular formula and molecular weight of Nitro BT, indicator?

Nitro BT, indicator has the molecular formula C40H30N10O6+2 and a molecular weight of 746.7 g/mol. Its IUPAC name is 2-[2-methoxy-4-[3-methoxy-4-[3-(4-nitrophenyl)-5-phenyltetrazol-2-ium-2-yl]phenyl]phenyl]-3-(4-nitrophenyl)-5-phenyltetrazol-2-ium.

Which grade and pack sizes of Nitro BT, indicator can I order?

We supply Nitro BT, indicator in (98%) grade, in 100 mg, 250 mg, 1 g, 250 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Nitro BT, indicator?

Yes. Every lot of Nitro BT, indicator 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 Nitro BT, indicator be shipped internationally?

Yes. Nitro BT, indicator 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.

How should Nitro BT, indicator be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.