Molekula
2,3,5-Triphenyltetrazolium chloride (TTC)
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
2,3,5-Triphenyltetrazolium chloride (TTC) is a redox indicator used in biological and biochemical assays to assess metabolic activity and cell viability. It is also used as a tissue stain for plant and animal specimens, in seed viability testing to gauge germination potential, and as a reagent in analytical chemistry. It is commonly employed in microbiology, plant physiology, and enzymology studies. Available with CAS number 298-96-4, molecular formula C19H15ClN4, and molecular weight 334.80 g/mol. Store at 2 to 8 °C. Signal word: Danger. Molekula supplies 2,3,5-Triphenyltetrazolium chloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Often bought together
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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5 g — £29.50 per pack ex VAT · £35.40 inc. VAT
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25 g — £63.40 per pack ex VAT · £76.08 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Off-white/pale yellow crystalline powder |
| Melting Point | 235 - 245 ℃ |
| Identification | Conforms to reference |
| Loss on Drying | ≤3.0% |
| Assay | ≥ 98.0% |
| Residue on Ignition | ≤ 0.5% |
| Solubility in Ethanol | Clear and complete |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 4.1 |
| Packing Group | II |
| Acidity | Neutral |
For research use only. Not for human use.
Identification
| Property | Value |
|---|---|
| SKU | 31216368 |
| CAS Number | 298-96-4 |
| IUPAC Name | 2,3,5-triphenyltetrazol-2-ium chloride |
| EC Number | 206-071-6 |
| Molecular Formula | C19H15ClN4 |
| Molecular Weight | 334.80 |
| Exact Mass | 334.0985 |
| SMILES | C1=CC=C(C=C1)C2=NN([N+](=N2)C3=CC=CC=C3)C4=CC=CC=C4.[Cl-] |
| InChIKey | PKDBCJSWQUOKDO-UHFFFAOYSA-M |
| InChI | InChI=1S/C19H15N4.ClH/c1-4-10-16(11-5-1)19-20-22(17-12-6-2-7-13-17)23(21-19)18-14-8-3-9-15-18;/h1-15H;1H/q+1;/p-1 |
| PubChem CID | 9283 |
| UN Number | UN1325 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933.99.7900 |
| Tariff Code | 2933998090 |
Safety & GHS
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Flammable
GHS02
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Health Hazard
GHS07
Hazard statements
- H228 Flammable solid
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2,3,5-Triphenyl-2H-tetrazolium chloride
- 2,3,5-Triphenyltetrazolium chloride
- 2H-Tetrazolium, 2,3,5-triphenyl-, chloride
- Red tetrazolium
- Tetrazolium Red
- TPTZ
- TRIPHENYLTETRAZOLIUM CHLORIDE
- Urocheck
- Uroscreen
- Vitastain
Frequently asked questions
What is 2,3,5-Triphenyltetrazolium chloride (TTC) used for?
TTC is primarily used as a redox indicator in biochemical assays, particularly to assess cell viability and metabolic activity by measuring dehydrogenase enzyme activity.
What is the chemical formula and molecular weight of TTC?
The formula is C19H15ClN4 with a molecular weight of 334.80 g/mol.
How should TTC be stored?
TTC should be stored at 2 to 8 °C in a cool, dark place to prevent degradation.
What grade of TTC does Molekula supply?
Molekula supplies TTC in analytical grade, suitable for laboratory research and assay applications.
Can Molekula supply TTC in bulk quantities?
Yes, Molekula can supply TTC in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a TTC order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.