Molekula
Thioflavin T
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
Thioflavin T is a fluorescent dye used in histology and biochemistry to detect amyloid fibrils and other protein aggregates. It is also employed in assays for nucleic acid and protein binding studies. Available in powder form with a CAS number of 2390-54-7, molecular formula C17H19N2S·Cl, and molecular weight 318.9. Store at ambient temperature. Hazard classification includes signal word Danger. Molekula supplies Thioflavin T 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.
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.
-
5 g — $77.90 per pack
-
25 g — $175.10 per pack
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 | Yellow to Orange powder |
| Water | ≤14% |
| Identification | Conforms to reference |
| pH | 1.2 - 2.0 |
| Assay | ≥98.00% |
| Insolubles | ≤0.5% |
| A Value | ≥0.76 (10ppm Water Solution ≥412nm) |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Acid |
For research use only. Not for human use.
Identification
| Property | Value |
|---|---|
| SKU | 90028770 |
| CAS Number | 2390-54-7 |
| IUPAC Name | 4-(3,6-dimethyl-1,3-benzothiazol-3-ium-2-yl)-N,N-dimethylaniline chloride |
| EC Number | 219-228-9 |
| Molecular Formula | C17H19N2S.Cl |
| Molecular Weight | 318.9 |
| Exact Mass | 318.0957 |
| SMILES | CC1=CC2=C(C=C1)[N+](=C(S2)C3=CC=C(C=C3)N(C)C)C.[Cl-] |
| InChIKey | JADVWWSKYZXRGX-UHFFFAOYSA-M |
| InChI | InChI=1S/C17H19N2S.ClH/c1-12-5-10-15-16(11-12)20-17(19(15)4)13-6-8-14(9-7-13)18(2)3;/h5-11H,1-4H3;1H/q+1;/p-1 |
| PubChem CID | 16953 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 3212900050 |
| Tariff Code | 3212900000 |
Safety & GHS
-
Corrosive
GHS05
-
Toxic
GHS06
-
Hazardous to the Environment
GHS09
Hazard statements
- H301 Toxic if swallowed
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- 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, Russian, 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-(p-(dimethylamino)phenyl)-3,6-dimethylbenzothiazolium chloride
- 3,6-Dimethyl-2-dimethylaminophenylbenzothiazolium chloride
- Acronol Yellow TC
- Basic yellow 1
- Benzothiazolium, 2-(4-(dimethylamino)phenyl)-3,6-dimethyl-, chloride (1:1)
- Benzothiazolium, 2-(p-(dimethylamino)phenyl)-3,6-dimethyl-, chloride
- Benzothiazolium, 2-[4-(dimethylamino)phenyl]-3,6-dimethyl-, chloride
- C.I. 49005
- C.I. Basic Yellow 1
- Thioflavine T
Frequently asked questions
What is Thioflavin T used for?
Thioflavin T is primarily used as a fluorescent dye for staining amyloid fibrils in research applications, particularly in studies of neurodegenerative diseases like Alzheimer's.
What is the chemical formula and molecular weight of Thioflavin T?
The formula is C17H19N2S·Cl and the molecular weight is 318.9 g/mol.
How should Thioflavin T be stored?
Store at ambient temperature, protected from light and moisture.
What grade of Thioflavin T is available?
Available in research grade; purity and specifications are provided in the certificate of analysis.
Can Molekula supply Thioflavin T in bulk?
Yes, bulk quantities are available upon request—please contact our sales team for pricing and availability.
What documentation comes with a Thioflavin T 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.