MTT tetrazolium

Name: MTT tetrazolium
Brand: Vaqora Chemicals
SKU: VQ-045628

About MTT tetrazolium

Vaqora Chemicals supplies MTT tetrazolium, a biological stain registered under CAS number 298-93-1. The compound has the formula C18H16BrN5S, corresponding to a molecular weight of 414.3 g/mol. Systematically, it is named 2-(3,5-diphenyltetrazol-2-ium-2-yl)-4,5-dimethyl-1,3-thiazole bromide. Alternative names: Thiazolyl blue and MMT Tetrazolium.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for histology and cytology staining, microscopy, clinical laboratories and indicator for titrations. Our customers for this product work in academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

We offer MTT tetrazolium in 100 mg, 500 mg and 1 g packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Indicator for titrations

Industries

Specifications & identifiers

Chemical identifiers
Product name	MTT tetrazolium
Catalogue No.	VQ-045628
CAS Number	298-93-1
IUPAC name	2-(3,5-diphenyltetrazol-2-ium-2-yl)-4,5-dimethyl-1,3-thiazole bromide
Molecular formula	C₁₈H₁₆BrN₅S
Molecular weight	414.3 g/mol
Exact mass	413.031
HSN code	32049000
InChIKey	AZKSAVLVSZKNRD-UHFFFAOYSA-M
SMILES	CC1=C(SC(=N1)[N+]2=NC(=NN2C3=CC=CC=C3)C4=CC=CC=C4)C.[Br-]
PubChem CID	64965

Physical properties
Physical form	Other
H-bond donors / acceptors	0 / 5
TPSA	75.7 Å²
Synonyms	Thiazolyl blue, MMT Tetrazolium, Thiazolyl Blue Monotetrazolium, 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide, 3-(4,5-Dimethylthiazolyl)-2,5-diphenyltetrazolium bromide, 3-(4,5-Dimethylthiazolyl-2)-2,5-diphenyltetrazolium bromide, 3-(4,5-dimethyl-1,3-thiazol-2-yl)-2,5-diphenyl-2H-tetrazol-3-ium bromide, 3-(4,5-dimethylthiazole-2-yl)-2,5-diphenyltetrazolium bromide, 2-(4,5-Dimethyl-2-thiazolyl)-3,5-diphenyl-2H-tetrazolium bromide, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide, (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide), Thiazolyl blue tetrazolium bromide

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H341Suspected of causing genetic defects

Precautionary statements: P203, P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, 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 298-93-1

AR

MTT tetrazolium, 99%+

CAS: 298-93-1
Formula: C₁₈H₁₆BrN₅S
MW: 414.3 g/mol

VQ-000637

Molecular Biology

MTT tetrazolium, for molecular biology

CAS: 298-93-1
Formula: C₁₈H₁₆BrN₅S
MW: 414.3 g/mol

VQ-046139

Cell Culture

MTT tetrazolium, suitable for cell culture, 99%+

CAS: 298-93-1
Formula: C₁₈H₁₆BrN₅S
MW: 414.3 g/mol

VQ-000638

Frequently asked questions

What is the CAS number of MTT tetrazolium?

The CAS Registry Number of MTT tetrazolium is 298-93-1. It is also known as Thiazolyl blue, MMT Tetrazolium, Thiazolyl Blue Monotetrazolium.

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

MTT tetrazolium has the molecular formula C18H16BrN5S and a molecular weight of 414.3 g/mol. Its IUPAC name is 2-(3,5-diphenyltetrazol-2-ium-2-yl)-4,5-dimethyl-1,3-thiazole bromide.

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

We supply MTT tetrazolium, in 100 mg, 500 mg, 1 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with MTT tetrazolium?

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

Yes. MTT 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.